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Studiomaster QX2 QX Series Digital Power Amplifiers

SKU : STU-QX21300
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Rs. 46,600
Rs. 44,270

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Studiomaster QX2 QX Series Digital Power Amplifier Overview:

The QX series of digital power amplifiers feature advanced amplifier adjustment technology to give over 95% efficiency, and stable performance at high current, low impedance conditions.

Additional features include active power factor correction (PFC) and ultra reliable soft power switching power supply which will operate universally between 90-250VAC.

The QX series are all 1U height, lightweight designs, weighing less than 12kg. Both 2 and 4 channel versions are available, giving power ratings from 2550 watts per channel up to 5100 watts per channel at 4ohms.

At 2ohm operation, the flagship QX4-8000 will supply up to 4 x 4760 watts, making these amplifiers supply extremely high performance, and provide cost effective solutions for multiple install and rental applications, for example line array systems.


  • Energy saving with over 95% efficiency
  • Power factor correction (PFC)
  • Universal 90-250V power supply
  • 2 and 4 channel models
  • Reliable efficient operation down to 2ohm loads
  • Variable speed fan cooling
  • Internally modular design for quick maintenance
  • Stereo/parallel/bridge modes
  • Multiple gain modes
  • Output limiter
  • Balanced XLR inputs
  • 32A mains power input socket
  • Thermal, overload, DC protection
  • Thermal, fault and limiter indicators


  • Slope (1kHz, Bypass LPF): 50V/us
  • Input Sensitivity 1kHz: Option: 41dB, 38dB, 35dB, 32dB
  • THD+N (10% rated output power): 0.01%
  • IMD-SMPTE (10% rated output power): 0.01%
  • DIM30 (10% rated output power): 0.01%
  • Crosstalk rejection (less than rated power, 20Hz – 1kHz): >80Db
  • Frequency Response (10% rated output power, 8ohm, 20Hz – 20kHz): 0.2dB
  • Input Impedance: 20k ohm (bal), 10k ohm (unbal)
  • Damping Factor (8ohm, 20Hz – 200Hz): 5000
  • S/N ratio (A weighted, 20Hz-20kHz): >105-112dB
  • Power supply: 90-260VAC, 50/60Hz
  • Protection: low voltage/overoad/thermal/DC output protection
  • Dimensions (WxHxD) 483mm x 44mm x 462mm
  • Net Weight: 10-12kg


  • 8ohms Stereo: 2x650watts
  • 4ohms Stereo: 2x1100watts
  • 2ohms Stereo: 2x1870watts
  • 16ohm Bridged: 1300watts
  • 8ohm Bridged: 2200watts
  • 4ohm Bridged: 3740watts


  • 8ohms Stereo: 2x1000watts
  • 4ohms Stereo: 2x1700watts
  • 2ohms Stereo: 2x2890watts
  • 16ohm Bridged: 2000watts
  • 8ohm Bridged: 3400watts
  • 4ohm Bridged: 5780watts


  • 8ohms Stereo: 2x1500watts
  • 4ohms Stereo: 2x2250watts
  • 2ohms Stereo: 2x3570watts
  • 16ohm Bridged: 3000watts
  • 8ohm Bridged: 5100watts
  • 4ohm Bridged: 7140watts
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