Digital Bluetooth Amplifier 2x50W+100W Subwoofer

The Bluetooth amplifier from DFRobot has three channels: left and right with up to 50 W each and a subwoofer channel with up to 100 W. Music comes via Bluetooth 5.0 or AUX. Five knobs set main volume, bass, treble as well as frequency and volume of the subwoofer; the main volume knob also switches it on and off. It is powered with 12 to 24 V DC and 2 to 5 A or more depending on the speakers.

Recommended Accessories:

• 24V DC 2000mA Power Supply AC/DC Adapter 5.5mm/2.1mm Plug

Features:

• Three channels: left and right up to 50 W each, subwoofer up to 100 W
• Bluetooth 5.0 and AUX inputs
• Passive speakers 4 to 8 Ω, 20 to 100 W
• Distortion 0.1 % even at high power according to DFRobot
• If the sound distorts with bass or treble turned almost fully up, turn the control back or lower the main volume
• Full power only with sufficient voltage, current and input signal: more voltage gives more power, speakers with higher impedance receive less power
• Protection against over- and undervoltage, overtemperature, short circuit and DC at the output
• Bluetooth name BT-WUZHI, reconnects automatically the next time it is switched on

Application Examples:

• Home cinema with subwoofer
• Music system with smartphone or Raspberry Pi
• Speakers for gaming and presentations

Documentation:

• DFRobot product page DFR0805

Technical Data:

• Manufacturer: DFRobot
• Manufacturer SKU: DFR0805
• Power supply: 12 to 24 V DC, 2 to 5 A or more depending on speakers
• Inputs: Bluetooth 5.0, AUX
• Output power: left and right up to 50 W each, subwoofer up to 100 W
• Speakers: 4 to 8 Ω, 20 to 100 W
• Bluetooth range: 10 m without obstacles
• Controls: main volume with on/off, bass, treble, subwoofer frequency and volume
• Dimensions: 100 × 123 × 25 mm
• Weight: 245 g

Scope of Delivery:

• 1× Digital Bluetooth amplifier 2x50W+100W subwoofer
• 2× Acrylic protective panel
• 1× Screwdriver
• 5× Knob
• 1× Large heat sink
• 1× Accessory bag