Power Amplifier Board for Bluetooth Digital Volume Potentiometer Module 2.1 Channel

1、With AUX + for Bluetooth audio input, subwoofer + left and right channel output 2、The power amplifier chip has AM interference suppression function 3、The protection mechanism includes overvoltage, undervoltage, overheating, DC detection, and short circuit protection, which is relatively safe 4、Using high‑quality materials, strong and durable, has a long service life 5、With small size, easy to carry and store, convenient to use and with good performanceItem Type: Power Amplifier Board Product Model: ZK-TB21 for Bluetooth Version: 5.0 (Unobstructed: Approx. 10meter / 32.8ft) Input Sensitivity: 500mV Input Method: AUX+ for Bluetooth Number of Channels: 2.1 channels Power Amplifier Chip: TPA3116D2 (with AM interference suppression function) Adapter Power Supply: DC 12-24 V/5A or more (the higher the voltage, the greater the output power) Adapted Speakers: 20-100W, 4-8Ω Output Power: Left and right channels <50W Subwoofer <100W Protection Mechanism: Overvoltage, undervoltage, overheating, DC detection, short circuit protection 1 x Power Amplifier Chip2 x Power Amplifier Board Module1 x Screw Accessories Pack1 x Screwdriver Accessories Pack