What is the trim pot on the board for?

The trim pot controls the overall volume output to the speaker.

Is this for line input? 1v pk-pk?

No, you'll need a pre-amp to drive it to full power.

Hi does this amp accept a ‘balanced’ input ?

It can be modified for balanced inputs.

'5532' use implies bridging 2-channel or 'parallel current' operation of stereo/2 channel amp. Does anyone know which is in use here? Thanks...

This is a mono only amplifier module (two required for stereo). They are amazing. You will need a pretty good power supply to get the best out of these. A decent supply will cost a lot more than the amp module though.

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🎧 Elevate Your Sound Experience!

COMPACT DESIGN - Mini PCB board fits seamlessly into any setup.
UNLEASH THE POWER - Experience 150W of pure audio bliss!
VERSATILE VOLTAGE RANGE - Compatible with 12V to 26V for ultimate flexibility.
WHISPER QUIET OPERATION - Enjoy crystal-clear sound without interference.
DIY AUDIO ENTHUSIASTS DREAM - Perfect for home theaters and custom projects.

The DollaTek TPA3116D2 Mono Channel Digital Amplifier Board is a high-performance audio solution featuring a TPA3116 D2 chip and NE5532 op-amp, delivering 150W of power with over 90% efficiency. Designed for versatility, it operates within a wide voltage range of 12V to 26V, making it ideal for home theaters, active speakers, and DIY audio projects. Its compact design and low-noise characteristics ensure a premium auditory experience.

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Manufacturer	DollaTek
Part number	DollaTek
Item Weight	20 g
Package Dimensions	8 x 7.5 x 1.5 cm; 20 g
Item model number	TPA3116 D2
Material	European terminals, PCB mini board
Voltage	26 Volts
Item Package Quantity	1
Plug profile	Surface Mount
Batteries included?	No
Batteries Required?	No

DollaTek TPA3116D2 Mono channel digital amplifier board NE5532 150W DC12-26V AMP Module for Car Home Theater and DIY Audio

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