Video Chat with a Pro Audio Expert - Live

QSC ISA-280 Commercial Power Amplifier

BH #QSISA280 • MFR #ISA280
Print
QSC ISA-280 Commercial Power Amplifier
Key Features
  • 185W Per Channel @ 8 Ohms
  • Protection Circuitry
  • Built-In HD-15 DataPort V2
  • DSP Interface Capability
The ISA-280 Commercial Power Amplifier from QSC is a 3-RU rackmount power amplifier designed specifically for sound contractors. It can be used as a low-impedance solution rated for 2-Ohm operation at 430W per side, or 8-Ohm operation at 185W per side. The versatile loading options, feature set, and protection circuitry, in addition to the built-in HD-15 DataPort V2 DSP interface capability, ensures a high-value, cost-effective solution for budget-minded installations.
More Details
No Longer Available
No Store Display
Ask an Expert
800-606-6969

QSC 280 Overview

The ISA-280 Commercial Power Amplifier from QSC is a 3-RU rackmount power amplifier designed specifically for sound contractors. It can be used as a low-impedance solution rated for 2-Ohm operation at 430W per side, or 8-Ohm operation at 185W per side. The versatile loading options, feature set, and protection circuitry, in addition to the built-in HD-15 DataPort V2 DSP interface capability, ensures a high-value, cost-effective solution for budget-minded installations.

The ISA-280 is housed in a rugged all-metal chassis that features rear-panel gain controls for tamper-resistant operation and 2 dB detents for quick and repeatable settings. The inputs include both XLR and detachable Euro-style connectors, and the outputs feature covered barrier-strip connectors for full safety agency compliance.

High-output stereo power amplifier for low-impedance contractor installation applications
Rear-panel gain controls for tamper-resistant operation with 2 dB detents for quick and repeatable settings
DataPort V2 HD-15 connector for use with DPV2-compatible external signal processing accessories
Full short-circuit, open-circuit, thermal, ultrasonic, and RF protection
Independent defeatable clip limiters for reduced distortion, selectable 30 Hz or 70 Hz high-pass filters protect speakers and prevent speaker transformer saturation
Front panel indicators include power, signal, and clip; Stereo, Bridge and Parallel operating modes
Automatic variable-speed fan for quiet normal operation with maximum cooling; rear-to-front air flow
XLR and detachable Euro style input connectors, covered barrier-strip output connectors with full safety agency compliance

QSC 280 Specs

Key Specs
Analog Audio I/O
2x Barrier Strip 2-Pin Output
2x XLR 3-Pin Balanced Input
2x Block 3-Pin Input
Network I/O
No
Rackmount Size
3 U (with Included Hardware)
Amplifier Class
Class-AB
Performance
Protections
Reactive/Mismatched Load
Frequency Response
20 Hz to 20 kHz ±1 dB
Damping Factor
> 200 at 8 Ohms
Signal Processing
Audio Delay
No
Connectivity
Analog Audio I/O
2x Barrier Strip 2-Pin Output
2x XLR 3-Pin Balanced Input
2x Block 3-Pin Input
Network I/O
No
USB I/O
No
Wireless
No
Power
AC Power Connector
1x IEC
Physical
Rackmount Size
3 U (with Included Hardware)
Cooling
Fan (Variable Speed)
Packaging Info
Package Weight
44.5 lb
Box Dimensions (LxWxH)
24 x 22 x 8.5"

QSC 280 Reviews

See any errors on this page?
Whatever You Need, We've Got It