JustBoom AMP Add-on Board TPA3118D2DAP Class-D Amplifier

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

Note:

• 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)

• JustBoom DAC