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QSC ISA280 Online

Original price was: $750.00.Current price is: $225.00.
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15 - 22 Mar, 2025
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Description

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ISA280

Commercial Power Amplifier

 

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
  • 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
  • 3-year warranty plus optional 3-year extended service contract

 

SPECIFICATIONS

ISA280

ISA450

ISA750

ISA1350

ISA300Ti

ISA500Ti

ISA800Ti

 

OUTPUT POWER PER CHANNEL, STEREO MODE, both channels driven

8?, 20 Hz–20 kHz 0.1% THD
4?, 20 Hz–20 kHz 0.1% THD
2? 1 kHz 1% THD

185 W
280 W
430 W

260 W
425 W
700 W

450 W
650 W
1200 W

800 W
1300 W
2000 W

185 W
280 W
430 W

260 W
425 W
700 W

450 W
650 W
1200 W

 

DIRECT POWER PER CHANNEL, STEREO MODE

70V, 20 Hz–20 kHz +0 -0.3 dB 0.5% THD

1500 W

 

TRANSFORMER-ISOLATED OUTPUT POWER PER CHANNEL, STEREO MODE

70V or 100V, 50 Hz–16 kHz 0.5% THD
25V, 50 Hz–16 kHz 0.5% THD





300 W
200 W

500 W
300 W

800 W
500 W

 

OUTPUT POWER, BRIDGED MONO MODE

8?, 1 kHz 0.1% THD
4? 1 kHz 1% THD

600 W
830 W

900 W
1400 W

1500 W
2400 W

2800 W
4000 W

600 W
830 W

900 W
1400 W

1500 W
2400 W

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