ZK HT21 Subwoofer Amplifier Board,2.1 Channel 100W HiFi 500mV Volume Control Power Amplifier Board for Home Theater

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 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, 4-8Ω 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

• [Compatible with Various Devices] This amplifier board works seamlessly with mobile phones, tablets, computers, and cd players, providing versatility in usage.
• [Wide Compatibility] Suitable for 4 to 8ω, 50w to 300w passive speakers, this amplifier board operates at a working voltage range of dc12 to 24v, for various setups.
• [Independent Control] Enjoy personalized audio with separate subwoofer volume control and independent treble and bass adjustments for left and right channels.
• [Enhanced Safety Features] This hifi amplifier board offers against reverse polarity, over and under voltage, overheat, and short circuit issues, ensuring safe use.
• [Superior Sound Quality] Experience clear and powerful audio output with a stereo power of 50w x 2 and 100w, enhanced with inbuilt subwoofer low pass filter and crossover control.