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AIYIMA DAC-A2 HiFi Audio Decoder USB Headphone Amplifier Coaxial Optical Output Stereo Gaming DAC For Amplifier Active Speakers

$54.17
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$54.17
Color — DAC-A2
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    Product Details

    SPECIFICATIONS

    Bluetooth: No

    Body Material: aluminum

    Brand Name: Aiyima

    Built-in Battery: No

    Certification: CE,KC

    Channels: 2 (2.0)

    DAC Model: =

    DSD (Direct Stream Digital): No

    Dimensions (WxHxD): 73.5*98*33MM

    Hign-concerned Chemical: None

    Input Type: USB,COAXIAL,OPTICAL

    Model Number: DAC-A2

    Operational Amplifier Chips Model: =

    Origin: Mainland China

    Output Type: LINE OUT (AUDIO OUT)

    Output Voltage: 100mW

    PCM: No

    Package: yes

    Recommended Headphone Maximum Impedance: 151 - 200 Ohm

    Signal To Noise Ratio: 105

    Type: Mini Amplifier

    WIFI: No

    Product description:


    Product name:Digital Audio Decoder USB DAC


    Model: DAC-A2


    DAC Chip : MS8412


    USB Chip: SA9023


    Headphone Chip : 97220


    OP AMP Chip: NE5532


    PC-USB supports input sampling rate: 96K/24Bit


    Treble and Bass sound adjustment range: ±6dB


    Fiber/coaxial support input sampling rate: 192K/24Bit


    Frequency response: 20Hz-20kHz (±3dB)


    PC-USB support operating system: XP/W10/W11/MAC/linux


    Distortion: 0.01%


    Amp output maximum power: 100mW 32Ω load


    Signal to noise ratio: ≥105dB


    Headphone matching impedance: 16-200Ω


    Working voltage: DC5V


    RCA output level: 2.3V


    Product size: 96*73*30mm


    Packing size: 195*155*70mm


    Product net weight: 220g


    Packing（without power supply）weight:425g



    Features:

    1.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


    2.160mW 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


    3.Mini Compact D/A converter, stream bit-perfect 24bit/192KHz HD with low jitter, with output protect circuit, safe for your expensive audio system



    Operation Steps:
    1. Connect the rear-end device that needs an external connection to the audio output connector.
     
    2. Connect the audio source you want to use to the audio input connector.
     
    3. Connect the power supply.
     
    4. Turn the volume knob clockwise to turn it on and select the desired volume level.
     
    5. Select the desired EQ by rotating the bass treble knob.
     
    6. When the amp output is connected, the RCA analog output will be automatically disconnected.
     
     
    PC-USB operating instructions:
    1. Connect the PC-USB interface on the rear panel of the machine with the factory-configured USB cable (USB can support hot plugging)
     
    2. Press the input signal selection button to select the USB input.
     
    3. Find the icon with the horn symbol in the lower right corner of the PC
     
    4. Click the right button to pop up the dialog box and click "Select Play Player"
     
    5. 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)
     
    6. Click to confirm the recognized digital output.
     
     
    Common problem:
    Q: All the lines are connected, but there is no sound output?
    Answer: 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.
    2. 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;
    3. 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.
     
    Q: Why is the sound broken?
    A: 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.
     
    Q: Why does the speaker have a large current sound?
    A: 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.
     
    Q: Why do I not play the sound source after I plug in the input cable, and the speaker will have a loud beep?
    Answer: 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.
     
    Q: Can the headphone output connector be connected to a microphone?
    A: No, the headphone jack is a signal output interface, not an input interface.
     
    Q: 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)?
    A: 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.
     
    Q: Why is there no sound after the PC-USB is connected to the PC?
    A: 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.
     
    Q: Why are lines plugged in, but there is no sound in the RCA analog output?
    A: 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.
     
     

    Package included:

    1Pcs Digital Audio Decoder USB DAC

    1Pcs Fiber optic cable；

    1Pcs PC-USB cable；

    1Pcs Type-c charging cable

    Warranty：24 Months





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