Horizon Solutions

A staple for many Horizon Solutions installations for the last number of years the QSC ISA amplifiers are at home in applications requiring great quality sound, a simple feature set and a record for reliability unmatched by any other amplifier we have ever sold. We can't speak for everyone but for us at Horizon Solutions the QSC ISA amplifier is a true solution for your installation amplifier needs.
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FEATURES

- Four models for low-impedance applications
- ISA 1350 drives 70V lines directly with 1500 watts / channel
- Three "Ti" versions include low-impedance and isolated 25, 70, and 100 volt outputs for distributed audio systems
- Rear panel gain controls for tamper resistant operation
- 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
- Independent defeatable clip limiters for reduced distortion
- Selectable high-pass filters protect speakers and prevent speaker transformer saturation.
- Class H complementary bipolar output circuitry reduces AC power draw and waste heat by 40% on ISA 750 and 800Ti, and by 50% on ISA 1350
- Automatic variable-speed fan for quiet normal operation with maximum cooling on demand
- 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

Available Models

ISA280: 8ohm - 185W, 4ohm - 280W, 2ohm - 430W
ISA450: 8ohm - 260W, 4ohm - 425W, 2ohm - 700W
ISA750: 8ohm - 450W, 4ohm - 650W, 2ohm - 100W
ISA1350: 8ohm - 800W, 4ohm - 1300W, 2ohm - 2000W
ISA300Ti: 8ohm - 185W, 4ohm - 280W, 2ohm - 430W
ISA500Ti: 8ohm - 250W, 4ohm - 425W, 2ohm - 700W
ISA800Ti: 8ohm - 450W, 4ohm - 650W, 2ohm - 1200W