Digital Bluetooth Amplifier 2x50W

The HIFI Digital AUX Bluetooth Amplifier 2x 50W offers you an impressive sound quality thanks to its AM interference suppression and filter function, which guarantees a THD of only 0.1% even at high power. With an output power of 50W per channel and a volume controller, you can customize your listening experience. The AUX and Bluetooth 5.0 inputs allow versatile connectivity. The amplifier operates with an operating voltage of 5-27V and is compatible with passive speakers of 4 to 8 Ohm and 30W to 200W. You can easily connect it to your Raspberry Pi, smartphone or other Bluetooth-enabled devices. The amplifier has protective mechanisms such as overvoltage, undervoltage, overheating, short-circuit and DC detection protection. The board is delivered with protective plates, a heat sink and connection accessories, which makes installation and use easier.

Recommended accessories:

9V power supply

Features:

AM interference suppression and filter function provide excellent sound quality with a THD of only 0.1%.
The output power is 50W per channel, ideal for powerful and clear audio output.
AUX and Bluetooth 5.0 inputs allow easy connection with various audio sources.
The operating voltage ranges from 5V to 27V, allowing flexible power supply.
Compatible with passive speakers from 4 to 8 Ohm and 30W to 200W, supporting a variety of speakers.
Protective mechanisms such as overvoltage, undervoltage, overheating, short-circuit and DC detection offer safety and reliability in operation.
Bluetooth transmission range of up to 15m, ideal for wireless connections without obstacles.
Volume controller allows convenient and precise volume adjustment.

Application examples:

Home audio systems: Improve your home audio system with high-quality sound and easy connectivity.
DIY projects: Integrate the amplifier into your own audio projects to create custom solutions.
Raspberry Pi projects: Connect your Raspberry Pi for a powerful, wireless audio experience.
Mobile devices: Use the amplifier on the go with your smartphone for an improved sound experience.
Events: Use the amplifier for small events or presentations to ensure clear and loud sound.

Documentation:

Instructables review of HiFi Amplifier

Technical specifications:

Manufacturer: DFRobot
Manufacturer SKU: DFR0803
Power supply: 5-27V
Inputs: AUX and Bluetooth 5.0
Audio quality: HIFI
Output power: max. 50W x 2
Power distribution:
12V 8Ω Speaker/12W(left channel)+12W(right channel), 4Ω Speaker/20W+20W
15V 8Ω/18W+18W，4Ω/>30W+30W
19V 8Ω/32W+32W，4Ω/>45W+45W
24V 8Ω/38W+38W，4Ω/>55W+55W
Compatible speakers: 30W-200W, 4Ω-8Ω
Channels: Stereo (left/right)
Bluetooth range: 15m (without obstacles)
Protection mechanisms: Overvoltage, undervoltage, overheating, short-circuit and DC detection
Power voltage: 12V-24V with different output powers depending on voltage and speaker impedance
Dimensions: 98 x 50 x 17 mm
Weight: 115g