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QSC ISA300TI Commercial Power Amplifier (ISA300TI) with Low-Impedance outputs

Rackmount installation, 70V transformer - 185W per channel at 8 ohms

QSC ISA300TI Commercial Power Amplifier
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What's in the box:

  • QSC ISA300Ti
  • AC Power Cord
  • Four Rubber Feet
  • Rear Rackmount Kit
  • Two x 3-Pin Terminal Block Connectors
  • Three-Year Warranty

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$1,085.00
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Item Number 
QSC-ISA300TI
Vendor Part
ISA300TI

The QSC ISA300Ti is a 3RU rackmount power amplifier, equipped with an internal 70V transformer and designed specifically for sound contractors as a low impedance solution rated for 2-ohm operation at 430W per side, or 185W per Channel at 8 ohms. The versatile loading options, feature set and protection circuitry, in addition to the built-in HD-15 DataPortV2 DSP interface capability, ensures a high-value, cost-effective solution for budget-minded installations.

The ISA300Ti is housed in a rugged all-metal chassis, and features rear panel gain controls for tamper resistant operation with 2dB 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.

Features:

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

Be sure to check out the brochure and video for more information!

Specifications for the QSC ISA300TI Commercial Power Amplifier

{ "Power Rating" : { "8 ohms Stereo" : "185W", "4 ohms Stereo" : "280W", "2 ohms Stereo" : "430W", "XF Stereo 70V" : "300W", "XF Stereo 25V" : "200W", "Bridged at 8 ohms" : "600W " }, "Damping Factor" : ">200 @ 8 ohms", "Input Sensitivity" : "1.07Vrms", "Input Impedance" : "10 kOhm/20 kOhm (unbalanced/balanced) ", "Gain" : "33dB", "Frequency Response" : "20Hz to 20kHz, +/-1dB", "Signal-to-Noise Ratio" : "100dB (20 Hz - 20 kHz)", "Total Harmonic Distortion (THD)" : "<0.03%, 4 and 8 ohms, 20 Hz - 20 kHz, 10 dB below rated power ", "Input Connections" : [ "2 x 3-pin XLR Female, Balanced", "2 x 3-pin Detachable EuroBlock", "1 x HD-15 DataPortV2" ], "Output Connectors" : "2 x Covered Barrier Strips", "Controls Front Panel" : "1 x Power Switch", "Controls (Rear)" : [ "1 x 10-Position DIP Switch Set", "2 x Ch.1, 2 Gain Knobs" ], "Indicators" : [ "2 x Red Clip LED", " 2 x Green Signal LED", "1 x Green Power LED" ], "Cooling" : "Continuously variable speed fan, back-to-front air flow", "Power Consumption" : [ "0.5A at idle", "3.7A at 1/8 Power, 8 ohms", "9.3A at 1/8 Power, 2 ohms" ], "Dimensions" : "19 x 5.25 x 15.9" (483 x 133 x 400mm)", "Weight" : "42 lb (19 kg)", "Specialties" : [ "Stable into reactive or mismatched loads", "Rear Panel Controls", "Comprehensive Protection Circuitry" ] }

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