Specification:
Item Type: Subwoofer Amplifier Board
Material: Aluminium
Model: ZK TB21
Power Amplifier Chip: TPA3116D2(with AM Interference Suppression Function)
Output Power: Left and Right Channel < 50W, Subwoofer <100W
Input Sensitivity: 500mV
Input Method: AUX + BT
BT Version; 5.0(10 Meters Distance without Blocking)
Number of Channels: 2.1 Channel
Applicable Power: DC 12-24V/5A or Above (The Higher the Voltage, the Greater the Output Power)
Applicable Speaker: 20-100W, 4-8
Features:
1Multiple Inputs: With BT 3.5mm AUX/3 PIN input, This amplifier board is compatible with almost all home audio devices, such as mobile phones, tablets, computers, CD players, etc. 2Easy Control: This ZK TB21 power amplifier board has subwoofer volume control, L and R channel treble and bass can be independently controlled. Inbuilt subwoofer low pass filter, with crossover control. 3Output Power: 2.1 CH stereo output power is 50Watt x 2 and 100Watt, working voltage range is DC12 to 24V, suitable for 4 to 8, 50Watt to 300Watt passive speakers. 4Simple Layout: This 2.1 channel amplifier board with simple layout popping and audible noise will not occur even under high power output. 5High Safety: This stereo amplifier board supports reverse polarity protection, over and under voltage protection, overheat protection, short circuit protection.
Package List:
1 x Upper Cover Plate
1 x Down Cover Plate
1 x Mainboard
9 x Screw
1 x Screwdriver
1 x Power Adapter
4 x Large Copper Pillar
4 x Small Copper Pillar
5 x Knob Cover
