TPA3116D2 Digital Stereo Audio Amplifier Board 2x50W
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Prices updated: 13 Oct 2026
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About this product
A dual-channel digital stereo amplifier board built on the TPA3116D2 class-D amplifier IC, rated at 2 x 50 W. It is used for DIY speaker systems, portable sound units and stereo audio projects. Connect a stereo source to the input and speakers to the output terminals.
Specifications
- Amplifier IC
- TPA3116D2
- Amplifier class
- Class-D
- Channels
- 2 (stereo)
- Output power (as rated)
- 2 x 50 W
- IC supply range
- 4.5 V to 26 V
Frequently asked questions
Which speakers should I use?
Use speakers rated for the amplifier load, commonly 4 to 8 ohm for the TPA3116D2, and keep the speaker power rating close to the amplifier output.
What power supply does it need?
Use a DC supply within the board's rated input range, with enough current for the output power. The TPA3116D2 chip supports 4.5 V to 26 V.
