Audio Amplifiers
$94.99 $84.99
Product description:
Chipset: CM6642 + CS8416 + CS4398 + TPA6120 + OPA2134
Headphone amplifier maximum output power: 320mw/32Ohm
Product power supply: DC12V/1A
Frequency response range: 20Hz-20kHz (±3dB);
Support sampling rate: USB-24bit/192kHz, Coaxial/Optical-24bit/192kHz
PC-USB input sampling frequency:192K/24Bit
Optical/Coacial input sampling frequency: 192K/24Bit
PC-USB system support:XP/W7/W8/MAC/linux
Headphone Max power output:305mV 30ohm 
Headphone matching impedance:16-300ohm
Signal to noise ratio: ≥105dB
Input sensitivity:0.2mV
Distortion: ≤0.001%
SNR: ≥105 dB
Control:Potentiometer knob and tact switch
Input interface: Optical, Coaxial, PC-USB
Output interface : RCA, 6.35MM headphone JACK(6.35MM)
Size: 148.5*98*33mm (without protruding parts)
Use the RCA output to remove the 6.35 adapter, otherwise the RCA will not have an output.
Operation steps:
1. Make sure the VOL knob is at its minimum.
2. Connect the rear-end device that needs an external connection to the audio output connector.
3. Connect the audio source you want to use to the audio input connector.
4. Connect the power supply.
5. Press the power button.
6. Press the input signal selection button to select the access signal (the default input is PC-USB input).
7. Turn the knob clockwise to select the desired volume level.
8. When the headphone output is connected, if the headphone head is 3.5MM, the factory-configured 6.35 to 3.5MM adapter can be used for transfer.
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 as shown below.
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.
Package include:
1Pcs Amplifier with 12V plug

Power Supply Adaptable Amplifier
5V DAC-A2            
19V-24V A01 A02 A03 TUBE-A5 A502T B3 A1001
24V-35V(32V) A3001            
AC110V/AC220V DAC-A3 DAC-A3P          


DAC Decoder

Model DAC-A2 DAC-A5 B2D1630 B2D1634 A3 A3P
Distortion 0.01% ≤0.001% 0.01% 0.01% ≤0.001% ≤0.001%
SNR ≥105dB ≥105dB 127dB 127dB > 123dB @ 1kHz > 128dB @ 1kHz
Bluetooth CSR8675 Blutooth 5.0, Support APTX / APTX-HD CSR8675 Bluetooth 5.0, Support APTX / APTX-HD
PC-USB SR 96K / 24Bit 192K / 24Bit 96K / 24Bit 96K / 24Bit 44.1khz-384khz / 16-32Bit DSD64-DSD256 / DOP 44.1 khz-384 khz / 16-32Bit
DSD64-DSD256 / DOP
COA/OPT SR 192K / 24Bit 192K / 24Bit 44.1khz-192khz / 16-24Bit DSD64 / DOP PCM441khz-192khz / 16-24 Bit DSD64 / DOP
Output Max 100mW32Ω 305mV 30Ω 150mW32Ω 150mW32Ω 700mW * 2 @32Ω156mW * 2 @300Ω 700 mW2 @32Ω,156 mW * 2 @300Ω
Headphone matching impedance 16-200Ω 16-300Ω 32-150Ω 32-150Ω 32-300Ω 32-300Ω
Input interface COA ,OPT ,PC-USB COA ,OPT ,PC-USB PC-USB PC-USB COA ,OPT ,PC-USB,Bluetooth,Phone-OTG COA ,OPT ,PC-USB,Bluetooth,Phone-OTG
Output interface Headphone,Active speaker,Amp Headphone,Active speaker,Amp Headphone,Active speaker,Amp Headphone,Active speaker,Amp Headphone,Active speaker,Amp Headphone,Active speaker,Amp
Chips SA9023+CS8412+97220+NE5532 CM6642 + CS8416 + CS4398 + TPA6120 + OPA2134 SA9023+ ES9028K2M SA9023+ES9018K2M  CSR8675+ESS ES9038+XOM XU208
CSR8675+AK4497EQ+XOM XU208
Working Voltage 5V 12V 5V 5V AC110V / AC220V AC110V / AC220V

All items in store may take 2 to 5 business days to process.  Please add processing time to your shipping estimate below.

Here is an estimate of the shipping times.  Due to factors that often affect international shipments, such as holidays, customs, and weather delays, we can only offer an estimate of shipping times. 


Estimated Shipping Time

United States

10-30 business days

Canada, Europe

15-40 business days

Australia, New Zealand

15-45 business days

Mexico, Central America, South America

20-60 business days 

Middle East (UAE, Saudi Arabia)

20-40 business days


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Aiyima is not responsible for destination country tax and/or any duty charge that may incur. Customers will be held accountable for any restrictions, duties, taxes, and any other fees collected from the destination country.
Aiyima will not be responsible for any Duties, Taxes, or Customs fees under any circumstances.
If the order arrives in your country and...
• The customer refuses to accept the package
• The number of attempts is made in the country of destination to deliver the package.
Aiyima reserves the right to abandon the package(s) and will not be responsible for any refund.

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