Amplifier Board Volume Adjustable 2.1 Channel Bluetooth Audio Amp Module for Audio Optimization

Feature: 1. Simple Operation: The key functions are rich and the operation is simple. True stepless tuning, not digital hierarchical tuning. 2. Volume Adjustable: The volume of subwoofer and stereo output is adjusted separately; The total volume is a mechanical potentiometer, and the volume position is clear at a glance. 3. Multi Functions: This module supports for Wuzhi Audio APP. Modify Bluetooth name, password settings, prompt volume adjustment, on, off prompt sound, lullaby, firmware upgrade, etc. 4. Natural Sound: 10 kinds of natural sounds create unique natural sound scenes, quickly calm the mood, and achieve deep sleep. 5. Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. Specification: Item Type: Amplifier Board Mode: LT23 Material: PCB, Brass, ABS Purpose: Audio optimization Basic Parameters: Adaptive Speaker: Left and Right Channels: 10 to 50W, 4 to 8 Ω Subwoofer: 20 to 50W, 4 to 8 Ω Audio Output: Left channel 15W, right channel 15W, subwoofer 30W Audio Input: Bluetooth, for AUX, U disk, USB sound card How to Use: 1. Turn on two amplifiers of the same model.2. Select one amplifier at random and triple click the total volume knob with key function, then the red true wireless stereo indicator will flash and the other amplifier will be paired with it automatically as a stereo combination. (If the pairing is not successful within 15 seconds, the pairing mode will be automatically canceled, you can try again by triple clicking the button).3. If the pairing is successful, the selected one will be assigned as the left channel with red indicator light on, and the other one will be the right channel with red indicator light flashing slowly.4. The following time you turn on the computer, the pairing box will be found automatically. If you want to cancel the pair box mode, just select an amplifier, three consecutive keystrokes can be. Package List: 1 x PCB Motherboard 2 x Cover Plate 4 x Brass Pillars 8 x Screws 3 x Knob Cover 1 x Heat Sink 1 x Plug 1 x Screwdriver