The KW181 from QSC is a professional-quality active 3-way PA loudspeaker. Ideal for low frequency reinforcement of KW-series loudspeakers, the lightweight and rugged birch cabinet houses an 18″ woofer to deliver deep, thumping bass with frequencies as low as 35Hz. An efficient Class-D amplifier provides an output power of 1000W for strong audio with low distortion.
| Type | Active Subwoofer |
| Audio Input Type | 2 x Combo XLR-1/4″ TRS Line/Mic Input 2 x XLR Line Output 1 x Euroblock Remote Input |
| Dimensions | 20.1 x 23.4 x 29.9″ / 510.0 x 595.0 x 761.0 mm (With Casters) |
| Frequency Response | 40 Hz to 112 Hz -6 dB 35 Hz to 129 Hz -10 dB |
| Impedance | Input: 38 kOhms (Balanced) 19 kOhms (Unbalanced) |
| LF Driver Power Amp | 1 x 18″ / 457.2 mm Woofer |
| Max SPL | 135 dB (Peak) |
| Total Power: | 1000 W RMS 2000 W Peak |
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