Bluetooth Audio Receiver Amplifier 2 x 50 Watts (2 Channels)

Bluetooth Audio Receiver Amplifier 2 x 50 Watts (2 Channels)
Bluetooth Audio Receiver Amplifier 2 x 50 Watts (2 Channels)
Bluetooth Audio Receiver Amplifier 2 x 50 Watts (2 Channels)

Description

This 2 x 50 watt audio amplifier board with Bluetooth 4.0 is small yet powerful. Armed with the efficient class-D architecture, it's perfect for your custom Hi-Fi applications that require a lot of wattage. You audio source can come from RCA cable or Bluetooth.

Note: This board's audio selector is defaulted to "Line-in", toggle the micro-switch to pair with bluetooth.

Features

  • Compatible with all Bluetooth devices that support audio
  • External mute control port
  • Over/under voltage protection
  • Over current protection
  • Simple pairing module name: BT Speaker
  • Has a micro switch that allows you to select between input sources
  • Improved audio quality due to source select micro-switch

Specifications

  • Output: 2 x 50 watt
  • 4Ω or 8Ω passive speakers (6 ohm average)
  • Size: 950 x 690 x 203 mm (4.1 x 2.7 x 0.8 inches)
  • Bluetooth 4.0
  • Stereo receiver and built-in amplifier
  • Effective transmission distance: 10-15m
  • Working voltage: DC 10V-24V
  • Smart cooling system (65°C)

Technical Specifications

ParameterConditonMinTypMax
Supply Voltage (VDC)102124
Idle PowerSD Floating1.3W2.5W
Standby PowerSD Connected to GND0.1W0.3W
Maximum Current100W @ 4Ohm5.29A
Efficiency50W @ 4Ohm87%92%
Minimum Load Impedance3.2Ω
Switching FrequencySD Floating394KHZ
Gain24dB25dB26dB
Input Sensitivity(RMS)@4Ω, 50W, 1KHz808mV
Input Impedance22KΩ
Output Power@4Ω THD+N 1%36W
Output Power@4Ω THD+N 10%50W

Bandwidth @ ±3dB

@4Ω20Hz20KHz
THD, 1W@4Ω, 1KHz0.0299%
THD, 10W@4Ω, 1KHz0.073%

Ideal Applications

  • Personal computers
  • Desktop amplifiers
  • Microphone preamplifier
  • Vending machine, lifts
  • Interactive kiosks
  • Car audio
  • Musical instrument amplifiers

$34.95

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