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

Package contents:

• 1x Digital Bluetooth Amplifier 2x50W
• 1x Protective housing
• 1x Screwdriver
• 1x 20cm power cable
• 1x Volume control
• 1x Heat sink
• 1x Accessories pack