Highpower 4channel amplifier designed for commercial and institutional AV 4×1000W output at 4 ohms for multizone or highdemand environments Stereo, Parallel, and Bridge modes for flexible system configuration Balanced XLR inputs and XLR Link Out for scalable installations NL4 Speakon outputs for secure, professional speaker connections Builtin Low Pass Filter for dedicated subwoofer channels Signal, Clip, and Protect indicators for realtime system monitoring Standard 1U rackmount chassis for AV racks and equipment rooms Dualvoltage selector (110V/220V) for global or multifacility deployment 105dB S/N ratio for clean, lownoise performance