ZK-1001U Amp Bluetooth 5.3 Mono Amplifier Board Mini Audio Amps with TWS 100W Amp with Boost for Home Outdoor DIY Speakers with 100W Power Output, Treble & Bass,USB/AUX/BT Input, DC 9-24V

[ZK-1001U MONO AMPLIFIER BOARD] The ZK-1001U Mini Bluetooth audio amplifier board is a mono channel amp with 100W rated power. Connect only a passive speaker (20-100W, 3-8) and a DC7-24V/4A or above power supply (cannot be connected to AC; suitable for 7.4V /12V/21V batteries, not suitable for 24V batteries). This mono amplifier uses a TPA3116D2 chip, with distortion rate below 0.3 %, and the upgraded Bluetooth 5.3 chips support AAC decoding, APP and TWS, with low latency. [Outdoor Speaker Amplifier with Boost] Built-in boost circuit for optimal voltage output.

It 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 FUNCTION] This ZK-1001U amp is a mono amp. This power amplifier module supports TWS BOX mode. With a pair of ZK-1001U mono power amps, you can use these two independent Bluetooth power amplifier boards connected by the TWS box function, and left and right channel stereo can be realized. [BLUETOOTH 5.3 INPUTS] The 1001U Bluetooth power amplifier board has 4 kinds of inputs: AUX, USB flash drive, USB sound card and Bluetooth wireless connection. The upgraded large chips support Bluetooth 5.3 with low latency. The range for audio devices (smartphones, tablets, laptops, etc. ) with Bluetooth connectivity is 15m/49ft. [HiFi AMP with Treble and Bass] The ZK-1001U is driven by the TPA3116D2 chip, a high-performance class D power amplifier chip. It can make the device maintain ultra-low distortion in the whole audio frequency band and show high-definition sound quality at the same time. This mini audio power amplifier has Treble and Bass; you can adjust the treble and bass to suit your musical preferences. [MULTIPLE FUNCTION KNOB] This mini amplifier has a multiple function knob: Turn the knob clockwise/counterclockwise to adjust the volume level.
Click: Play/pause.
Double click: Next song.
Three click: Enter or exit TWS mode.
Long press: Turn off/on