Bluetooth5.3 Mini Amplifier Board 100W Mono Power Amp with TWS Box, Karaoke Audio Amps Module with Boost for Home/Outdoor DIY Speakers, DC 9-24V, MIC and Reverb, Supports BT/USB/AUX Inputs

_ ZK-1001UM MONO AMPFILIER BOARDZK-1001UM Mini Bluetooth audio amplifier board is a mono channel amp with 100W rated power, only contact a passive speaker(20-100W, 3-8), DC7-24V/4A above (Cannot be connected to AC, suitable for 7.4V /12V/21V etc. batteries, not suitable for 24V batteries)). this mono ampfilier with a TPA3116D2 chip, distortion rate below 0.3 %, and the upgrade Bluetooth 5.3 chips support AAC decoding, APP and TWS, low latency
_ Outdoor Speaker Amplifier with BoostBuilt-In Boost Circuit for Optimal Voltage Output Features an auto-boosting circuit that intelligently adjusts input voltage (9V/15V) to a stable 19V or 24V (default: 24V. Red switch to 1 is 24V, to ON is 19V), this flexible voltage is ideal for outdoor use with battery-powered speakers
_ TWS BOX FUNCTIONThis ZK-1001UM is a mono amp, this power amplifier module support TWS BOX mode, this couple of ZK-1001UM mono power amps, you can use this two independent Bluetooth power amplifier boards connected by TWS box fu