QSC ISA750 Features

Rear panel gain controls for tamper resistance; 2-dB detents allow for quick and repeatable settings.

XLR and detachable Euro-style input connectors

DataPort V2 for use with DPV2-compatible signal processing accessories (XC-3, SF-3, LF-3) and DSP-3/DSP-4 (with external power supply)

Independent defeatable clip limiters for reduced distortion

Two-tier Class H complementary bipolar output circuitry reduces AC power draw and waste heat by 40%

Selectable high-pass filters (30 Hz or 70 Hz) protect speakers and prevent speaker transformer saturation with minimal effect on program material

Front panel LED indicators include power, signal, and clip

Covered barrier strip output connectors for safety agency compliance

Automatic on-demand variable-speed fan: quiet normal operation, with maximum cooling when needed

Rear-to-front air flow helps keep equipment racks cool

Stereo, bridge, or parallel operating modes

Comprehensive protection circuitry including DC, infrasonic, thermal overload, and short circuit protection