Subwoofer Amplifier Board 2.1 Channel 100W 500mV Volume Control High Safety ZK HT21 Power Amplifier

Feature: 1. Multiple Inputs: This amplifier board is compatible with mobile phones, tablets, computers, CD players, etc. 2. Volume Control: This power amplifier board supports subwoofer volume control, L and R channel treble and bass can be independently controlled. Inbuilt subwoofer low pass filter, with crossover control. 3. Stable Performance: This HiFi amplifier board with simple and compact layout popping and ble noise will not occur even under high power output. 4. 100W Output: 2.1 CH stereo output power is 50Watt x 2 and 100Watt, working voltage range is DC12 to 24V, suitable for 4 to 8 Ohm , 50Watt to 300Watt passive speakers. 5. High Safety: This stereo amplifier board supports reverse polarity protection, over and under voltage protection, overheat protection, short circuit protection. Specification: Item Type: Subwoofer Amplifier Board Material: Aluminium Model: ZK HT21 Power Amplifier Chip: TPA7498E(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 12-24V5A or Above (The Higher the Voltage, the Greater the Output Power) Applicable Speaker: 20-100W, 4-8 Ohm . Package List: 1 x Upper Cover Plate1 x Down Cover Plate1 x Mainboard9 x Screw1 x Screwdriver1 x Power Adapter4 x Large Copper Pillar4 x Small Copper Pillar5 x Knob Cover