QSC ISA450 Two-Channel 260 Watt / Ch @ 8 ohms 425 Watt / Ch @ 4 ohms Power Amplifier
Designed as a cost-effective solution specifically for sound contractors, the ISA 450 features 425 Watts per channel at 4 Ohms. Versatile loading options and a comprehensive feature set make the ISA Series a rugged, cost-effective power solution for any permanently installed sound system.
Features- Four models for low-impedance applications
- Rear panel gain controls for tamper resistant operation with 2 dB detents 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 protect speakers and prevent speaker transformer saturation with minimal effect on program material (30 Hz or 70 Hz on non-"Ti" models, 50 Hz or 75 Hz on "Ti" models)
- Front panel indicators include power, signal, and clip
- Covered barrier strip output connectors for safety agency compliance
- Automatic variable-speed fan for quiet normal operation with maximum cooling on demand
- Rear-to-front air flow keeps equipment racks cool
- Stereo, Bridge, or Parallel operating modes
- Comprehensive protection circuitry including DC, infrasonic, thermal overload and short circuit protection
- 3-year warranty plus optional 3-year extended service contract
- Simple barrier strip connection determines output mode