{"product_id":"aiyima-dac-a2-hifi-audio-decoder-usb-headphone-amplifier-coaxial-optical-output-stereo-gaming-dac-for-amplifier-active-speakers-1","title":"AIYIMA DAC-A2 HiFi Audio Decoder USB Headphone Amplifier Coaxial Optical Output Stereo Gaming DAC For Amplifier Active Speakers","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBluetooth\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBody Material\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ealuminum\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAiyima\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBuilt-in Battery\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE,KC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2 (2.0)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDAC Model\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e=\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDSD (Direct Stream Digital)\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDimensions (WxHxD)\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e73.5*98*33MM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eInput Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUSB,COAXIAL,OPTICAL\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDAC-A2\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperational Amplifier Chips Model\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e=\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLINE OUT (AUDIO OUT)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e100mW\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePCM\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRecommended Headphone Maximum Impedance\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e151 - 200 Ohm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSignal To Noise Ratio\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e105\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMini Amplifier\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWIFI\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000024646802\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1ejeUd2WG3KVjSZFPq6xaiXXag.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size:22px\"\u003eProduct description:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eProduct name:Digital Audio Decoder USB DAC\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eModel: DAC-A2\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eDAC Chip : MS8412\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eUSB Chip: CM6542\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eHeadphone Chip : 97220\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eOP AMP Chip: NE5532\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003ePC-USB supports input sampling rate: 96K\/24Bit\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eTreble and Bass sound adjustment range: ±6dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eFiber\/coaxial support input sampling rate: 192K\/24Bit\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eFrequency response: 20Hz-20kHz (±3dB)\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003ePC-USB support operating system: XP\/W10\/W11\/MAC\/linux\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eDistortion: 0.01%\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eAmp output maximum power: 100mW 32Ω load\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eSignal to noise ratio: ≥105dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eHeadphone matching impedance: 16-200Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eWorking voltage: DC5V\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eRCA output level: 2.3V\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eProduct size: 96*73*30mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003ePacking size: 195*155*70mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003eProduct net weight: 220g\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003ePacking（without power supply）weight:425g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size:22px;font-family:arial, helvetica, sans-serif\"\u003eFeatures:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e1.With USB, optical and coaxial S\/PDIF inputs can fit with most home audio system, and RCA output can be connected to amplifier or powered speakers on your desktop; Built-in Hi-Fi headphone amp chip can drive most 16ohm to 200ohm headphones\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e2.160mW RMS(32 ohms, 20 Hz - 20 KHz, 0.01% THD), with bass and treble control can be used as preamp or volume controller for your PC\/MAC\/Computer\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e3.Mini Compact D\/A converter, stream bit-perfect 24bit\/192KHz HD with low jitter, with output protect circuit, safe for your expensive audio system\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px;font-family:arial, helvetica, sans-serif\"\u003eOperation Steps:\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e1. Connect the rear-end device that needs an external connection to the audio output connector.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e2. Connect the audio source you want to use to the audio input connector.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e3. Connect the power supply.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e4. Turn the volume knob clockwise to turn it on and select the desired volume level.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e5. Select the desired EQ by rotating the bass treble knob.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e6. When the amp output is connected, the RCA analog output will be automatically disconnected.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003ePC-USB operating instructions:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e1. Connect the PC-USB interface on the rear panel of the machine with the factory-configured USB cable (USB can support hot plugging)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e2. Press the input signal selection button to select the USB input.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e3. Find the icon with the horn symbol in the lower right corner of the PC\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e4. Click the right button to pop up the dialog box and click \"Select Play Player\"\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e5. Pop-up dialog box to select the playback device recognized by the PC (this machine USB is automatically recognized, free to install the driver manually)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e6. Click to confirm the recognized digital output.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"color:rgb(255, 0, 0);font-size:14px\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eCommon problem:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eQ: All the lines are connected, but there is no sound output?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003eAnswer: 1. Check if the POWER indicator is on. After the power button is pressed, the indicator still does not light. At this time, you can find an equivalent voltage output (must be 5V) in the test to judge the machine failure or power failure. If the POWER indicator is on, check if the corresponding input signal is selected correctly.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e2. If the above two points are checked or no sound, check if the VOL knob is in the minimum state, such as clockwise rotation in the minimum state;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e3. If both of the above are normal, check if the playback device of the input source is paused, muted, or the volume is at its minimum.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eQ: Why is the sound broken?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003eA: Although this product is a DAC decoder, it can also be used as a pre-stage product. It has amplifying effect. If the volume of the rear-end device is adjusted to the maximum and the pre-stage is also adjusted to the maximum, it is easy to be distorted. You only need to turn down the volume of the front or back level.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eQ: Why does the speaker have a large current sound?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003eA: If you are not using the original standard power supply, please replace the power supply before testing. A lot of power supply in the market has a large interference coefficient, which will cause a large current sound.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eQ: Why do I not play the sound source after I plug in the input cable, and the speaker will have a loud beep?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003eAnswer: When the unshielded signal line is used, the interference signal will enter the amplifier for amplification. If you hate this sound, you are advised to replace the shielded signal line or unplug the signal line.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eQ: Can the headphone output connector be connected to a microphone?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003eA: No, the headphone jack is a signal output interface, not an input interface.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eQ: Why is the volume of the machine unchanged, and the sound source is different when accessing different audio sources (such as connecting the CD first and then changing to the mobile phone)?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003eA: The amplitude of the output signal of different playback devices is different. For example, the mobile phone is usually 0.35MV, and the CD is 1V. The natural sound size is different.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eQ: Why is there no sound after the PC-USB is connected to the PC?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003eA: First press the PC-USB operation to confirm whether the digital playback output is selected. If there is still no sound after selecting it, you can restart the computer and repeat the operation.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color:rgb(255, 0, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"background-color:rgb(255, 255, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px\"\u003eQ: Why are lines plugged in, but there is no sound in the RCA analog output?\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color:rgb(255, 0, 0);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:14px\"\u003eA: At this time, you should check whether the headphone output is plugged into the earphone, or plug in the earphone adapter. If you plug it in, you need to unplug the earphone or adapter to simulate the RCA output.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"background-color:rgb(0, 176, 240);font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size:14px\"\u003ePackage included:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e1Pcs \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eDigital Audio Decoder USB DAC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e1Pcs \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eFiber optic cable；\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e1Pcs \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003ePC-USB cable；\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e1Pcs \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eType-c charging cable\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-size:14px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eWarranty：24 Months\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1SCO4d8Cw3KVjSZFuq6AAOpXaD.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfac21efab8434a3a995b24631d92466fl.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1f671dec60544253ae1f767ff5c55923R.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf9913d8f792e45a38e4ff48b8c33b50fM.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6dc30e80feeb4a39a59064f29dee49afZ.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8e28437ff689483ca5c82f7d9eedb3c5B.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa7d18784541c4687a04ab6e28b714ed1Y.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9ffbd78e0e5643e6b31862be8027497dP.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb2a6da95f9ef4b80933b2533f4a6cdbbB.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000015730001\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"WONDER STORE","offers":[{"title":"DAC-A2 \/ Russian Federation","offer_id":47778597863529,"sku":"14:193#DAC-A2;200007763:201336103","price":71.66,"currency_code":"CAD","in_stock":false},{"title":"DAC-A2 \/ Brazil","offer_id":47778597896297,"sku":"14:193#DAC-A2;200007763:203054829","price":71.66,"currency_code":"CAD","in_stock":true},{"title":"DAC-A2 \/ China Mainland","offer_id":47778597929065,"sku":"14:193#DAC-A2;200007763:201336100","price":75.91,"currency_code":"CAD","in_stock":true},{"title":"DAC-A2 \/ Germany","offer_id":47778597961833,"sku":"14:193#DAC-A2;200007763:201336101","price":71.66,"currency_code":"CAD","in_stock":false},{"title":"DAC-A2 \/ spain","offer_id":47778597994601,"sku":"14:193#DAC-A2;200007763:201336104","price":71.66,"currency_code":"CAD","in_stock":false},{"title":"DAC-A2 \/ Poland","offer_id":47778598027369,"sku":"14:193#DAC-A2;200007763:203372089","price":71.66,"currency_code":"CAD","in_stock":false},{"title":"DAC-A2 \/ United States","offer_id":47778598060137,"sku":"14:193#DAC-A2;200007763:201336106","price":71.66,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/3793\/1369\/files\/S1558f6cd4a2e4900bdd93f6e7334e5fdJ_ceb8b2e3-10d6-4fe9-a17a-52dc573109ef.webp?v=1783626113","url":"https:\/\/lovable-project-4juk4.myshopify.com\/fr\/products\/aiyima-dac-a2-hifi-audio-decoder-usb-headphone-amplifier-coaxial-optical-output-stereo-gaming-dac-for-amplifier-active-speakers-1","provider":"WONDER STORE","version":"1.0","type":"link"}