Where is the audio input?

The 3 pins are ground, left and right input. The "green box shaped things" are phoenix connectors for left and right output (L&R speakers)

Has anyone try this with less than 6 volts?

No I didn’t but I won’t recommend it. 12v at least. Check out the data sheet for the amp ‘TDA7297’ and there you can find specs on lows and highs for voltage and other useful information

Do these have any gain or are they just voltage followers?

as with anything called a power amplifier they amplify. Low voltage signal in hi current out. Power is the product of of volts times amps . the higher the voltage is driven into a fixed load. the higher the current will be. A power amplifier amplifies both volts and amps(Power).

Where does it connect to the 12V?

You can either a) get a 12v Computer charger or b) you can sea soilder the power connector and put your own power supply

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2Pcs TDA7297 Dual-Channel Audio Power Amplifier Board Module Power Input Mode 4-8 Ohms 10-50W Speakers Audio Amplifier Module Converter for DC Power Supply Audio System DIY Speakers

Product ID: 134876889

Details

Manufacturer
XINGYHENG
Maximum Supply Voltage
18
Minimum Supply Voltage
6 volts
Mounting Type
Surface Mount
Voltage
18 volts

⚡10-50W Power

🔊Dual-Channel

🛡️Safety Features

€ 28.65

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Description

🎶 Amplify Your Life with XINGYHENG!

SAFETY FIRST - Equipped with current limiting and short circuit protection.
BUILT TO LAST - Crafted with pure copper and nickel plating for durability.
UNLEASH YOUR SOUND - Transform your audio experience with high-quality amplification.
HEAT DISSIPATION MASTER - Large copper area and dense vias ensure optimal cooling.
VERSATILE COMPATIBILITY - Perfect for 4-8 Ohm speakers, ideal for DIY projects.

The XINGYHENG 2Pcs TDA7297 Dual-Channel Audio Power Amplifier Board Module is designed for audio enthusiasts seeking high-quality sound. With a power input mode of 4-8 Ohms and a range of 10-50W, this module is perfect for various audio systems, ensuring durability and safety with features like short circuit protection and efficient heat dissipation.

Specifications

ASIN	B07QVQGB4H
Best Sellers Rank	#270,111 in Electronics ( See Top 100 in Electronics ) #1,570 in Audio Component Amplifiers
Brand Name	XINGYHENG
Customer Reviews	4.2 4.2 out of 5 stars (62)
Manufacturer	XINGYHENG
Material Type	Electronic Accessories, Pure Copper, Nickel Plating
Maximum Output Power	50 watts
Maximum Supply Voltage	18 volts_of_direct_current
Minimum Supply Voltage	6 volts
Model	TDA7297
Mounting Type	Surface Mount
Number of Channels	2
Number of Items	2
Number of Packs	2
Part Number	XLX-5123
Specification Met	Technical Specifications Met
UPC	700713393276
Unit Count	2 Count
Voltage	18 volts

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€ 28.65

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In stock

Sold byAmazon FranceDelivered 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 France.

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TrustScore 4.5 | 7,300+ reviews

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