Product selling point: 1. Using high-quality materials, the quality is guaranteed 2. Two microphone inputs, supporting wireless microphones (receiver required), condenser microphones, dynamic microphones, etc. 3. The outer winding shield is made of high-density environmentally friendly tinned copper wire twisted, with high density, for The connection signal plays a very good shielding role and is not interfered by direct contact or radiation signals 4. The Bluetooth-compatible name of each product can be changed, and the Bluetooth-compatible connection password can be modified 5. The volume of the prompt sound can be adjusted, and the prompt sound can be turned on or off 6. The potentiometer is externally introduced, which is convenient for installation Parameters: Model: ZK-AM100F Name: 50Wx2+100W lead-in microphone and audio all-in-one machine Power amplifier chip: TPA3116D2 Bluetooth-compatible version: 5.1 Bluetooth-compatible transmission distance: 15 meters Audio input: Bluetooth-compatible+AUX+U disk+USB sound card+MIC Audio output: left channel 50W + right channel 50W + subwoofer 100W Adaptive power supply: DC12-24V, ≥8A (not connected to AC) Adapted speakers: left and right channels 20-50W, 4-8Ω; subwoofer 20-100W, 3-8Ω Outer leads: 6 7P shielded wires 35cm Two-way volume adjustment: 1. Background music volume adjustment, with multi-function buttons (click to pause, double-click to next song, long press to switch on and off) 2. Microphone volume adjustment Protection mechanism: Input anti-reverse connection, over temperature, over current, short circuit, anti-static protection Features: Dual microphone input Support Wuzhi Audio APP. Modify Bluetooth-compatible name, password setting, volume adjustment of prompt sound, on/off prompt sound, lullaby, firmware upgrade, etc. Product size: 100x112x18mm (power amplifier board); 100x45x18mm (mic board) Product weight: net weight 238g, including packaging 301g The package includes: Amplifier board*1 Accessory combination *1 (4 50K resistance potentiometers need to be opened by yourself)