Low-impedance outputs plus isolated 25, 70, and 100 volt outputs for distributed audio systems

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

Selectable high-pass filters (50 Hz or 75 Hz) protect speakers and prevent speaker transformer saturation, with minimal effect on program material

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

Front panel 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