2.1 Channel Bluetooth Amplifier Board 160W*2+220W, DC15-36V/5A

This 2.1 channel Bluetooth audio amplifier board is designed for those seeking a powerful and versatile audio amplifier for home projects, audio system upgrades, or DIY hardware assembly. The Bluetooth audio amplifier board supports three input methods – AUX, Bluetooth-compatible, and USB, making it easily adaptable to various audio sources and usage scenarios.

Bluetooth audio amplifier board - key features

• Bluetooth-compatible 5.1 connection — stable, interference-free connection up to 15 meters, automatically connects to known devices.
• Three input options — AUX, Bluetooth-compatible, and USB, easily switch between them with a button, convenient for changing songs.
• High output power — left and right channels up to 160W, subwoofer up to 220W, suitable for loud systems.
• Wide power supply range — operates from DC15 to 36V, also supports a 12V power source, with low voltage protection.
• Comprehensive protection system — reverse polarity, short circuit, overvoltage, overheating, and overcurrent protection.
• Compact design — compact dimensions of 142x126x29 mm allow for easy integration into various audio constructions.

Technical specifications

• Product name: 2.1 channel Bluetooth-compatible audio amplifier module
• Model: YS-HT21
• Bluetooth-compatible version: 5.1 (stable, up to 15 meters)
• Input method: AUX + Bluetooth-compatible + USB (mode and song switching with a button)
• Number of channels: 2.1 channels (left channel + right channel + subwoofer)
• Compatible power supply: DC15–36V (low voltage protection below 9V, also supports a 12V power supply)
• Compatible speaker: 30–200W, 4–8Ω
• Output power: left and right channels ≤ 160W, subwoofer ≤ 220W
• Protection mechanism: reverse polarity, low voltage, overheating, overcurrent, short circuit protection
• Product dimensions: 142x126x29 (mm)

Who is it suitable for and how to use it?

This Bluetooth audio amplifier board is suitable for those creating home theater systems, active speakers, or car audio equipment. It is useful for electronics enthusiasts who want to upgrade an old amplifier or assemble a new system from scratch. By connecting a suitable power supply and speakers according to the specified power and impedance, you can enjoy high-quality sound via both wireless and wired connections.

Buyer questions

Question: What input methods are supported by this amplifier?
This module supports three input methods: an AUX wired connection, a Bluetooth-compatible wireless connection, and USB. You can switch between modes and songs by pressing the button.

Question: What power source is required?
A DC15-36V power supply is required, and a 12V version is also supported. It is important that the power source exceeds the actual operating power of the amplifier, otherwise the output power will be insufficient.

Question: How does the Bluetooth and AUX mode priority work?
The Bluetooth-compatible mode has priority, but it can be connected regardless of the current mode. When a Bluetooth connection is successfully established, the device automatically switches to Bluetooth mode and maintains automatic reconnection.

This Bluetooth audio amplifier board is a reliable choice for creating powerful, reliable, and flexible audio systems for home or workshop use. It is suitable for both professionals and hobbyists who seek high-quality sound with a reliable protection system.

Sources: Audio Amplifiers | TopSmart store