#NAME?

#NAME? Description

Product name: 2.1 channel 50W+50W+100W subwoofer adjustment bluetooth audio power amplifier
Model: -LT23
Power amplifier chip: domestic chip
Bluetooth version: 5.1
Bluetooth transmission distance: 10 meters. Audio input: Bluetooth+AUX+U disk+USB sound card. Audio output: left channel 50W + right channel 50W + subwoofer 100W

Adapter power supply: DC9-24V, equal 5A (can not be connected to AC)
Adapter speakers: left and right channels 10-50W, 4-8ohm; subwoofer 20-50W, 4-8ohm
Volume adjustment: separate adjustment of master volume, stereo volume and subwoofer volume, wide adjustment range: master volume with buttons: single click: play/pause; double click: next song; triple click: select or cancel box matching mode
Protection mechanism: over temperature, over current, short circuit, anti-static protection
Features: Support app. Modify the bluetooth name, password setting, volume adjustment of prompt tone, on/off prompt tone, sleep aid song, firmware upgrade, etc. box pairing function, the true wireless function enables two sets of speakers to be combined into left and right channel pairing boxes, with a sense of spatial positioning stronger.
Product size: 75x70x20mm

(This version of the APP is compatible with new products, please download and update the APP before using the product)

Colour: black
Material: PCB+Metal

Package Contents:
2 x 2.1 channel audio power amplifier board
2 x Screwdriver
2 x DC adapter
2 x DC cable

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.