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

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

🔋Wide 12-28V DC voltage range

€ 18.87

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Description

🔊 Amplify your audio game with power and precision — don’t just listen, experience it!

POWERHOUSE PERFORMANCE - Delivers crisp, room-filling 240W stereo sound to elevate any audio setup.
PRECISION DIGITAL CHIP - Equipped with TPA3116D2 for ultra-low idle loss and high-definition audio clarity.
ROBUST RELIABLE BUILD - No solder joints on the back—engineered to eliminate short circuits and ensure durability.
ENHANCED INPUT SENSITIVITY - Front-facing IC boosts signal reception for richer, more immersive sound experience.
VERSATILE VOLTAGE COMPATIBILITY - Operates seamlessly from 12V to 28V DC, perfect for cars, home theaters, and DIY projects.

The FBHDZVV XH-M543 is a dual-channel digital audio amplifier module powered by the advanced TPA3116D2 chip, delivering up to 120W per channel at 24V DC. Designed for car, home theater, and DIY audio systems, it features a wide voltage range (12-28V), high signal-to-noise ratio (100dB), and a robust build with no back solder joints to prevent shorts. This compact yet powerful amplifier ensures crystal-clear, high-definition sound with enhanced input sensitivity, making it a top choice for audiophiles and tech-savvy professionals seeking premium stereo performance.

Specifications

ASIN	B07TSKNCSV
Best Sellers Rank	#64,004 in Electronics ( See Top 100 in Electronics ) #367 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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€ 18.87

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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