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 HPR181i 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 HPR181i also includes a top-mounted 35mm pole socket and heavy-duty 3" casters to facilitate load-in and load-out.

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QSC HPR181i POWERED SUBWOOFER 18-INCH Features:

Power module based on the best-selling RMX series amplifier technology provides 700 total watts of class H power
Attractive and professional appearance
Rugged birch enclosure
Tour-grade 16 gauge steel grille
Ergonomic handles with comfortable, non-slip grip
35 mm pole socket

QSC HPR181i POWERED SUBWOOFER 18-INCH Specifications:

Configuration
18" powered subwoofer

Transducer
Low Frequency: 18" cone transducer with 4" voice coil
Frequency Response (-3 dB): 45 Hz 95 Hz
Frequency Range (-10 dB): 39 Hz 145 Hz
Maximum SPL (1 meter): 134 dB peak

Amplifier
Power output: 700W Class H
Input impedance: 22k balanced, 11k unbalanced
Controls: Gain, Low-cut filter, Front LED On/Off, Power, Circuit breaker
Indicators: Power, Signal, Limit
Cooling: Convection
Amplifier protection: Thermal and Output, Power limiting
Current consumption at 120 VAC (1/8 power EIA noise): 2.5A
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 181
HPR POLE 26
HPR POLE 31