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2 x 50 Watt Class D Audio Amplifier – TSA3611

This product does not have Bluetooth feature.

This is a 2x50W audio amplifier that has integrated TI’s TPA3116 as the driver. It has a perfect class-D architecture and each channel has 50W power output. This board can be powered by any DC 12V-24V power supply. It can be used to drive any 4Ω or 8Ω passive speakers. There is an ON/OFF switch and a volume knob on the front panel.

Specification:

TA = 20℃, fIN = 1 kHz sine wave, RL = 4Ω. (Unless otherwise stated)

Parameter

Condition

Min

Typ

Max

Supply Voltage (VDC)

12

21 24
Idle Power SD Floating

1.3W 2.5W
Standby Power SD Connected to GND

0.1W 0.3W
Maximum Current 100W @ 4Ohm

5.29A

Efficiency 50W @ 4Ohm 87% 92%
Minimum Load Impedance 3.2Ω
Switching Frequency SD Floating 394KHZ
Gain 24dB 25dB 26dB
Input Sensitivity(RMS) @4Ω, 50W, 1KHz 808mV
Input Impedance 22KΩ
Output Power @4Ω THD+N 1% 36W
@4Ω THD+N 10% 50W
Bandwidth @ ±3dB @4Ω 20Hz 20KHz
THD @4Ω, 1W, 1KHz 0.0299%
@4Ω, 10W, 1KHz 0.073%

Features:

  • Dimension: 16cm x 7.5cm x 4.8cm
  • Weight: 420g
  • Working voltage: DC 12V-24V
  • Over-temperature protection
  • Overcurrent protection

Applications:

  • Personal computer
  • Desktop amplifier
  • MP3, Video CD output Amplification
  • Home Theater
  • Powered DVD Systems


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