Can I use it as a preamp with a diy BT module? I have an EPLZON BT from Amazon but the sound it gives to the amp is very poor.

I would think so, they are not super quality sound but ok

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5pcs Super Small Power Amplifier Board 3W+3W Type D PAM8403 Digital Audio Amplifier Power Amp Module 2.5V-5.5V Dual Channel High Efficiency 90% USB Powered

5pcs Super Small Power Amplifier Board 3W+3W Type D PAM8403 Digital Audio Amplifier Power Amp Module 2.5V-5.5V Dual Channel High Efficiency 90% USB Powered

Product ID: 128975642

Details

Item dimensions L x W x H
6 x 4 x 2
Voltage
5.5 Volts (DC)
Manufacturer
Fdit
Maximum supply voltage
5.5 Volts (DC)
Minimum supply voltage
2.5 Volts (DC)

⚡90% high efficiency

🔊3W+3W dual channel output

🔋USB 5V power input

151 DH

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Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Tiny Amp, Massive Impact: Power Your Sound Anywhere, Anytime!

ROBUST PROTECTION - Engineered with short circuit, overcurrent, and overtemperature safeguards for reliable, worry-free use.
COMPACT POWERHOUSE - Miniature PAM8403 board fits effortlessly into tight spaces for sleek, modern builds.
CRYSTAL CLEAR SOUND - Built-in noise reduction ensures zero hum or pop during power on/off for premium audio clarity.
EFFORTLESS EFFICIENCY - 90% amplification efficiency delivers crisp 3W per channel without bulky heat sinks.
PLUG PLAY USB POWER - Easily powered by any 5V USB source—laptop, phone charger, or battery for ultimate versatility.

This 5-piece set of PAM8403 Type D digital amplifier boards delivers 3W per channel at 4Ω load with 90% efficiency, powered via USB 5V. Ultra-compact (2.3x1.8cm) and noise-optimized, these dual-channel amps require no heat sink and include multiple protections, making them ideal for DIY audio projects, portable speakers, and compact digital devices.

Specifications

ASIN	B07P8Z3MRY
Best Sellers Rank	24,871 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 121 in Hi-Fi Amplifiers
Brand	Fdit
Country Of Origin	China
Customer Reviews	4.2 out of 5 stars 98 Reviews
Item Dimensions	6 x 4 x 2 centimetres
Item dimensions L x W x H	6 x 4 x 2 centimetres
Manufacturer	Fdit
Manufacturer Part Number	Fdito96pdtnr5u
Material	fr4
Maximum Output Power	6 watts
Maximum Supply Voltage	5.5 Volts (DC)
Maximum supply voltage	5.5 Volts (DC)
Minimum Supply Voltage	2.5 Volts (DC)
Minimum supply voltage	2.5 Volts (DC)
Model Number	PAM8403
Mounting Type	Surface Mount
Mounting type	Surface Mount
Number of Channels	2
Number of Items	5
Output Power	3 Watts
Package Type Name	small carton or envelope
UPC	783335872589
Voltage	5.5 Volts (DC)

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TrustScore 4.5 | 7,300+ reviews

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151 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered 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 Morocco.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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