HiFi Headphone Amplifier V1, High Quality Headphone Amplifier, TPA6120A2

Photo 1/2 HiFi Headphone Amplifier V1, High Quality Headphone Amplifier, TPA6120A2
Images are for reference only,
see technical documentation
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4 430 ֏
3 020 ֏
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SKU: 9000550334
Brand: ChipDipDac


This is a headphone amplifier with high sound quality, small size and simple structure. The module is assembled on a TPA6120 chip from Texas Instruments. This is a class AB current feedback amplifier. The TPA6120 delivers high bandwidth, extremely low noise and up to 128dB dynamic range.


Band reproducible frequencies 10-20000 Hz
Signal to noise ratio: 128 dB
Crosstalk: -112 dB
THD: 0.0006
Output current (each channel): 700mA
Minimum load resistance: 8 ohms
Supply voltage: ±5V … ±15V

Wiring diagram

The input signal is fed to the dual potentiometer RV1, and then through the resistors R1 and R2 to the non-inverting input of the amplifier. To the divider by resistors R3, R5 and R4, R6 in another channel, feedback is connected from the outputs of the amplifier to the inverting inputs. Their values set the gain = 2. The outputs of the amplifier are connected via R8 and R9 to reduce the effect of capacitive loading and prevent parasitic oscillations of the headphones.
The power supply of the amplifier is bipolar: + 12V -12V. Capacitors C1-C8 are included in the power circuit for stable operation of the amplifier.

Wiring diagram

The amplifier has been tested with simple transformer power supplies. As well as with network power supplies assemblies: KAM0715D and AME15-12DMAZ

This is an open project! The license under which it is distributed is the Creative Commons - Attribution - Share Alike license.

Technical parameters

Weight, g 21.69

Technical documentation

pdf, 17 КБ
Gerber files
zip, 158 КБ
KiCad project
zip, 289 КБ
Datasheet TPA6120A2
pdf, 2402 КБ

Delivery terms

Delivery to Yerevan

Office CHIP AND DIP Today1 free
HayPost 24 May1 1 650 ֏2
1 estimated delivery date depends on the date of payment or order confirmation
2 for parcels weighing up to 1 kg