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QSC HPR181i Powered, Active Subwoofer, 18" Speaker
700W RMS low frequency - Birch Enclosure
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.
- Power module based on the best-selling RMX series amplifier technology provides 700 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
Applications:
- Live sound reinforcement of bass, kick-drum, etc.
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Higher-SPL dance music
| SPECIFICATIONS |
HPR181i |
| Configuration |
18" powered subwoofer |
| Transducer |
18" cone transducer with 4" voice coil |
Frequency Response (-3 dB) 1
Frequency Range (-10 dB) 1 |
45 Hz - 95 Hz
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
Front LED On/Off
Power
Circuit breaker
Phase |
| 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 |
28.6" H x 23.5" W x 22.9" D
(727mm x 597mm x 582mm) |
| Net weight |
127 lbs. / 58 kg |
| Available Accessories |
HPR COVER 181
HPR POLE 26
HPR POLE 31 |
1 Measured in half-space.
Specifications subject to change without notice.
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