ZK‑MT21 BT Amplifier Board High Power Sound Stereo DC12‑24V Digital Power Amplifier Board for 15‑100W 4‑8 Ohm Speakers

Feature: 1. Input and Output: The power amplifier board supports AUX+BT sound source input, and supports subwoofer + left and right channel output. 2. Easy to Install: The stereo power amplifier board is easy to install and use, providing you with stable and fast connection and wide compatibility. 3. Adjustable: This sound amplifier is enough to meet your different needs, you can adjust the frequency, volume, treble, bass, etc. 4. Guard Function: The high power amplifier board has anti reverse connection, overheating guard, overcurrent and short circuit guard. 5. High Performance: The BT amplifier board 2.1 channel, BT 5.0, subwoofer, high power, stereo, suitable for 15‑100W, 4‑8 Ohm speakers. Specification: Item Type: Power Amplifier Board Material: PCB Working Voltage: DC12 24V BT Version: 5.0 Input Sensitivity: 500mV Sound Input: BT + Aux Number of Channels: 2.1 Channels Output Power: 2 x 50W (Left and Right Channels) + 100W (Subwoofer) Applicable Speakers: 15 100W, 4 8 Ohm . Package List: 1 x Amplifier Board1 x Cover1 x Bottom Plate1 x Adapter1 x Screwdriver5 x Knob Cover8 x Screw4 x Short Screw Column4 x Long Screw Column