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JustBoom AMP Add-on Board TPA3118D2DAP Class-D Amplifier

Original price 553 kr - Original price 553 kr
Original price
553 kr
553 kr - 553 kr
Current price 553 kr
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How to Configure JustBoom Player?

JustBoom AMP Add-on Board is an advanced class-D Plug & Play amplifier. You can easily stack this high-quality JustBoom audio power AMP onto the JustBoom DAC / DAC HAT. You can also use this AMP add-on board for the line-level input. With up to 2x55 W amplification, this AMP add-on Board becomes highly suitable for high-quality stereo projects. The JustBoom AMP add-on board features the advanced TPA3118D2DAP Class-D amplifier chip. You can connect 8 Ohm or 4 Ohm passive speakers with the JustBoom AMP add-on board.  

Video Presentation of the Product

Applications of JustBoom AMP Add-on Board

  • Can work with JustBoom DAC / DAC HAT for all-in-one high-quality audio capabilities
  • A standalone amplifier that can integrate with the existing DAC
  • Multi-room audio player
  • A set-top box, media centre, or entertainment system
  • High-definition audio streaming from network storage or cloud

Features of JustBoom AMP Add-on Board

  • Up to 2x55 W stereo amplification at 8 Ohms | 2x30 W RMS
  • Full HQ Audio – 192 kHz | 24-Bit
  • Gain and Output voltage configurable via onboard hardware jumpers
  • Plug & Play | Supports 4 Ohm and 8 Ohm passive speakers
  • Can work as a standalone device
  • Does not require soldering
  • The box includes mounting hardware
  • Once connected to a DAC, DAC Board, DAC HAT, the JustBoom AMP Add-on Board can supply power to the connected hardware including Raspberry Pi with 5V / 2.5A

Specifications of JustBoom AMP Add-on Board

  • Maximum Power Output: 2 x 55 W | 2 x 30 W RMS
  • Amplifier Chip: TPA3118D2DAP Class-D
  • Unbalanced Connectors: L+ (left line), R+ (right line) GND, R-, and L- are ground connections (same input ground to be shorted)
  • Input Connectors: 5-Line | L+ (hot line) and L- (cold line) for the left channel | R+ (hot line) and R- (cold line) for the right channel | Middle (Ground) or cable shield connection
  • Onboard dual inductors for footprint efficiency
  • Advanced ESD Protection
  • Signal to Noise Ratio: SNR 102dB A-Wtd (Ref. THD+N < 1% / Gain = 20 dB / f = 1 kHz)
  • Harmonic Distortion (Total): THD+N 0.1% @ 25 W / 1 kHz / 21V
  • Configurable Gain: Onboard jumpers to configure gain | 36dB, 32dB, 26dB, 20dB)
  • Power Jack: 2.1mm DC jack compatible with 8V ~ 24V power supply
  • Configurable Output Voltage: Onboard jumpers to configure output voltage | 14V and 21V


  • When using with 4 Ohm passive speakers, a 15V ~ 19V power supply is recommended. The output should be at least 58 Watt.
  • When using with 8 Ohm passive speakers, a 24V power supply is recommended. The output should be at least 75 Watt.

Items Included

  • 1x JustBoom AMP Add-on Board
  • 4x Metal Nuts
  • 4x Metal Bolts
  • 4x Plastic Spacers
  • 2x JustBoom Stickers
  • 1x Roon Labs Voucher
  • 1x Max2Play Voucher
  • 1x Info Card

Compatible Items (Not Included)

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