Feature

●MULTI-FUNCTIONAL: The subwoofer speaker amplifier board has preamp, bus divider processing
●Support function: 2.1 power amplifier board with bass, left and right channel volume adjustment, treble adjustment, and total volume potentiometer control
●High Power: Power amplifier module uses DC 12‑24V power supply, supports 3 channels output up to 50W (left CH) and 50W (right CH) and 100W (BASS CH)
●Energy Saving: The ultra-bass speaker amplifier board has a wide working voltage, power saving design, and efficiency up to 90% more than 90%
●Shockproof Protection: Digital sound amplifier board with boot anti-shock protection design, no burst of boot


Description

Specifications:
Item Type: Subwoofer Speaker Amplifier Board
Material: PCB
Core Chip: TPA3116D2
Operating Voltage Range: DC 9‑25V (current 3‑4A, if more power is needed, 19‑24V 4‑5A or higher)
Audio Input Sensitivity: 500‑800mV
Frequency Response Range: 20Hz ~ 20KHz
Speaker Impedance: L R CH Speaker 3.5‑8Ω
Bass Speaker: 2‑8Ω
Maximum Output: 50W (L CH), 50W (R CH), 100W (BASS CH)
Size: Approx. 101x100x30mm/3.97x3.94x1.18inch

Package List:
1 x Power Amplifier Board
4 x Screws
4 x Studs
1 x 3 Pin Cable