Are there one or two TPA3116 chips under the heatsink?

There are zero TPA3116 chips under the heatsink. It's some unlabeled 16-pin IC It gets loud though, that's for sure....

Ti spec said tpa3116d2 is 2x50w or 1x100w. with two tpa chip it can be 2x100w. how does this board get 2x120w?

I believe this is an erroneous calculation based on the fact that it can drive 2 x 30W at 8 ohms, following ohms law once could calculate 2 x 60W at 4 ohms, however, to obtain 2 x 30W at 8 ohms, a duel layer pcb is required which this may have, I wouldn't know and don't have it on me, but still the claim is not supported by datasheet. Or maybe they calculated it by the figures 100W @ 2 ohm 24V and voltage max being 26V, but that doesn't calculate and is also not backed up by data sheet. Nice amp though.

What is the name/type of the 3-pin connector used for the inputs? I need to find one with leads, not a connector.

Recommend a Kinter MA170 12V 2 Channel Mini Digital Audio Power Amplifier from Amazon. Much more civilized.

I want to replace the 2 potentiometers into one. What resistor rating should it be?

Honestly, there is a different board with the Volume and a lid/bottom combo for near the same moeny. Should you really want to employ a different pot setup for an existing board, it would be like a 0-10k ohm. Looking at any ole RCA connected volume controller/Bass knob for a car amp would be a premade solution. search for the BLC-3 8$ knob , maybe you can get an idea with it.

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FBHDZVV Audio Amplifier TPA3116D2 Dual Channel Digital Power Board XH-M543, DC12-26V 2x120W DIY Module High Power Stereo Amp Board for Car Vehicle Computer Speaker DIY Home Theater Audio System

Product ID: 146881636

Details

Manufacturer
FBHDZVV
Maximum Supply Voltage
28 Volts (DC)
Minimum Supply Voltage
12 Volts
Mounting Type
Surface Mount
Voltage
26 Volts

⚡2x120W peak power output

🔊Dual channel stereo amplification

🔧No solder joints, zero short circuit risk

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EC$61

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Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Elevate your sound game with power and precision — don’t get left behind!

BUILT FOR RELIABILITY - Innovative solder-free back design eliminates short circuit risks for long-term durability.
COMPACT DIY FRIENDLY - Slim 5.1x3.7 inch board fits anywhere and integrates easily with your custom audio systems.
VERSATILE VOLTAGE RANGE - Operates smoothly from 12V to 28V DC, perfect for cars, home theaters, and DIY projects.
POWER THAT PACKS A PUNCH - Delivers a robust 120W per channel for immersive sound in any setup.
CRYSTAL CLEAR AUDIO PRECISION - TPA3116D2 chip ensures high-definition, low-noise sound with 100dB SNR.

The FBHDZVV XH-M543 is a high-performance dual-channel digital audio amplifier board powered by the advanced TPA3116D2 chip. It delivers up to 120W per channel with a wide voltage input range (12-28V DC), making it ideal for car audio, home theater, and DIY audio projects. Featuring a solder-free back design to prevent short circuits and premium capacitors for superior sound quality, this compact module offers professional-grade amplification in a sleek, easy-to-install package.

Specifications

ASIN	B07TSKNCSV
Best Sellers Rank	#83,458 in Electronics ( See Top 100 in Electronics ) #530 in Audio Component Amplifiers
Brand Name	FBHDZVV
Customer Reviews	4.1 4.1 out of 5 stars (154)
Manufacturer	FBHDZVV
Material Type	aluminum, polyester, metal, plastic
Maximum Output Power	240 watts
Maximum Supply Voltage	28 Volts (DC)
Minimum Supply Voltage	12 Volts
Model	XH-M543
Mounting Type	Surface Mount
Number of Channels	2
Output Power	240 Watts
Package Type Name	box" or "package
Part Number	176386
Supply Current	40 Milliamps
UPC	792966358423
Unit Count	1.0 Count
Voltage	26 Volts

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EC$61

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Saint Vincent and the Grenadines.

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