
Professional PA System 350W Mixing Amplifier with LCD Screen. Multi-Format Playback: Built-in MP3 player supporting USB, SD card, Bluetooth, and FM radio functions. 6-Zone Control: Independent volume adjustment knobs for 6 separate speaker zones. Comprehensive Protection: Features overload, overcurrent, overheat, DC fault, and short circuit protection. Professional Audio Quality: Frequency response 80Hz-18kHz with THD less than 1% at 1/3 voltage. Flexible Output Options: Main output supports 4-16ohm, 70V, and 100V configurations. Durable Construction: Iron case with aluminum panel and handle for professional rack mounting. OEM/ODM Support: Manufacturer offers OEM and ODM services with 5 R&D engineers. Trusted Manufacturer: Over 30 years experience with 2 million successful cases worldwide.