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Product Code: QSCHPR181W

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QSC HPR181W 18" Powered Subwoofer

For high-level dance music or reinforcement of bass instruments and kick drum, an HPR series subwoofer will add low-frequency extension and power to any sound system. The HPR181W single 18" subwoofer offers truly impressive low frequency extension and output. A 4" voice-coil driver and a 700 watt power module work to produce 134 dB SPL peak, at 1 meter with frequency response down to 39 Hz. The HPR181W also includes a top-mounted 35mm pole socket and heavy-duty 3" casters to facilitate load-in and load-out.

  • Live sound reinforcement of bass, kick-drum, etc.
  • Higher-SPL dance music
Configuration 18" subwoofer
18" cone transducer with 4" voice coil
Frequency Response (-6 dB) 1
Frequency Range (-10 dB) 1
42 Hz - 110 Hz
39 Hz - 140 Hz
Nominal coverage, -6 dB N/A
Maximum SPL (1 meter) 134 dB peak
Power output 700W Class H
Input impedance 22k balanced
11k unbalanced
Controls Gain
Front LED On/Off
Circuit breaker
Indicators Power
Cooling Convection
Amplifier protection Thermal and output
Power limiting
Current consumption at 120 VAC
(1/8 power EIA noise)
Enclosure Painted Birch plywood
Finish Black textured paint
Grille Powder coated 16 gauge steel
Connectors Balanced female XLR line level inputs x 2 (L+R)
Balanced male XLR full range line level throughputs x 2 (L+R)
Male XLR low-cut line level outputs x 2 (L+R)
Dimensions 28" H x 23.5" W x 23" D
(711mm x 597mm x 582mm)
Net weight 127 lbs. / 58 kg
Available Accessories HPR COVER 181W

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