4-6 partition independent tuning combined power amplifier with USB/SD card/FM radio/recording/Bluetooth, large remote control/playback display function Model: ABS-120F/180F/280F/380F/500F/650F Product Usage: 1. MP3, FM, recording, Bluetooth playback combined power amplifier with 4/6 partition independent volume adjustment control function 2. Provide regional power amplification for the broadcasting system, which is suitable for broadcasting sound reinforcement in large, medium and small areas. Features: 3. Standard cabinet design (2U), silver oxidized aluminum alloy sandblasted panel, humanized design, elegant craftsmanship, four-unit LED level display, showing high-end temperament 4. Rated power from 120W, 180W, 280W, 380W, 500W, 650W 5. MOOD mode switch with screen display MP3 player/FM tuner, support MP3 and WMA dual decoding playback format, USB/SD card interface, super read disk ability, with Bluetooth playback. With infrared remote control operation. 6. 3 channel microphone TRS terminal input, 2 channel Aux input, 1 channel Aux output 7. With 2-level priority function, Mic1 has the highest priority level (auto-erasing function), suppressing other input signals; other channels belong to the second priority level 8. Mic and Aux inputs are equipped with independent volume adjustment knobs and treble and bass tone adjustment knobs 9. The product has good self-protection warning functions such as short circuit, overload, overheating, etc. When the input signal is too large, the load is too heavy, the temperature is too high, the line is short-circuited, etc., the machine will have abnormal working protection warning function 10. Total power output 2 types Mode: constant voltage output 100V, 70V and constant resistance output 4-16ohms, 4-6 zone independent volume adjustment Output mode: constant voltage output 100V 11. Equipment specifications: 120W-380W size: 485*390*90MM, 500/650W size: 485*458*90MM Scope of application: It is necessary to use combined constant voltage power amplifier (power amplifier) ​​occasions, such as schools, shopping malls, specialty stores, restaurants, etc. 240V output can be customized according to customer requirements and OEM OEM products can be provided (there are also pure post-level broadcast amplifiers and professional audio amplifiers as an option)