ZK-MT21 Subwoofer Dial Power Amplifier Board AUX 12V 24V 2.1 Stereo Amp Module 50WX2+100W Bluetooth 5.0 B Amp

2.1 Audio Power Amplifier Board Bluetooth-compatible 5.1 C673E Power Amplifier Board Module Supports Phone APP ControlFeature:1. Efficient Cla-D Audio Amplifier:With low distortion and anti-burst noise, the C673E delivers nsparent sound quality with strong drive capability. It includes over-current protection, short-circuit protection, and overheating protection to prevent damage in abnormal operating conditions.2. Bluetooth-compatible 5.1 Audio Amplifier Module:The C673E offers 2.1 and 3- stereo output with a maximum output power of 50W per (left and right) and 100W for the subwoofer. High and low frequencies can be independently adjusted, providing pure Hi-Fi sound quality with crisp highs, warm midrange, and powerful ba.3. High-end Rotary :The main knob features a smooth, high-end rotary that allows for 360-degree infinite tuning. One-on start/stop and easy power on/off operation provide an effortle user experience.4. YS Audio-APP Control:The C673E supports YS Audio-APP control, enabling users to customize the Bluetooth-compatible name and paword, switch off/on prompts, and visualize playback modes. Volume, effects, ck control, play/pause, and playback mode can all be controlled through the app.5. Multe Audio Inputs:The C673E supports multe audio inputs, including Bluetooth-compatible 5.1, AUX, USB sound card, and U-disk. U-disk file syst must be formatted as FAT32 and not exceed 32GB. Its dedicated heat-conductive silicon paste and large-area heat sink, the C673E ensures high performance while maintaining efficient and effective cooling.Specification:Certification: CEOrigin: Mainland ChinaBluetooth-compatible version: 5.1Number of s: 2.1 s (left and right s+subwoofer)Volume adjustment: high-end knob adjustment, smooth touchPower amplifier chip: domestic power amplifier chip C673EAdapted power supply: DC12~24 V/8A or above (cannot be connected to 24V battery pack) Adapted speaker: 20~100W, 4~8QInput sensitivity: 500mVInput method: Bluetooth-compatible+AUX+USB drive+USB sound cardOutput power: left and right s