QSC KW181 1000W 18-inch Powered Subwoofer
QSC KW181 18-inch powered subwoofer with 1,000-watt Class D amplification, onboard processing, 135 dB peak output, and integrated casters.
Need it for more than one day?
If you need the rental for more than one day, please call us at 845.499.7499 for pricing or submit a quote request — we’ll get back to you with updated rates.
Note: Rentals from Friday through Sunday are priced as one day.
For events that need substantial low-frequency impact, the QSC KW181 adds an 18-inch powered subwoofer to compatible professional sound systems. Its 1,000-watt Class D amplifier, onboard processing, and 100 Hz high-pass output help it integrate with full-range loudspeakers, while output up to 135 dB peak supports demanding music and event applications. The birch-plywood enclosure, integrated casters, and ergonomic handles make transport more practical for a subwoofer of this size. The rental includes the KW181 and its required power cable; signal connections and matching speakers are selected for the planned system.
- 1 × QSC KW181 powered 18-inch subwoofer
- 1 × compatible power cable
- 18-inch driver and 1,000-watt Class D amplifier provide strong low-frequency reinforcement.
- Onboard DSP and a 100 Hz high-pass output support integration with compatible full-range speakers.
- Up to 135 dB peak output suits demanding music and event systems.
- Birch-plywood construction, handles, and integrated casters assist transport.
| Brand | QSC |
|---|---|
| Model | KW181 |
| Equipment Type | Powered subwoofer |
| Driver | 18 inches |
| Amplifier Power | 1,000 W Class D |
| Frequency Range | Approximately 34 Hz–129 Hz |
| Maximum Output | 135 dB peak |
| Construction | Birch plywood |
| Dimensions | Approximately 23.4 × 26 × 28 inches |
| Weight | Approximately 88 lb |
