Fosi Audio TB21 Bluetooth 5.0 Amplifier Board 2.1 Channel Mini Wireless Stereo Audio Digital Amp Module 50W x2 100W Subwoofer

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Sale price$32.99 Regular price$39.99



  • Model: TB21

  •  Input Mode: Bluetooth

  • Work Voltage: DC 12V-24V(Above 2A)

  • Channel: 2.1 CH Stereo Output

  • Bluetooth version: Bluetooth 5.0

  • Bluetooth transmission distance: 50 Ft

  • MAX Power Output: 50W x 2 +100W

  • Terminating Impedance: 4 Ohm-8 Ohm

  • Match Speaker: 30watt-200wat

  • DC socket: 5.5*2.1mm           

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