The QSC AD-C81TW-WH Ceiling Mount Subwoofer System – White is designed to supplement audio systems with low-frequency extension it’s acoustically matched to the entire AD Series. The AD-C81TW is rated for 100 watts continuous power handling and can take up to 400-watt peaks.

The AD-C81Tw has an 8″ woofer with a polypropylene cone for protection in humid environments. The driver has a synthetic rubber surround and works optimally with the large port to deliver excellent low frequency extension below 40 Hz without undesirable port turbulence. It also features a built-in passive low pass filter set at 120 Hz. The filter is defeatable from the front baffle to allow the use of outboard crossovers. The AD-C81Tw is equipped with a 70/100V transformer with multiple taps and an 8-ohm bypass.

Product Specifications:

Configuration: Ceiling subwoofer, ported

Woofer: 8″ (20 cm) weather resistant, polypropylene cone woofer, rubber surround

Frequency Range:

39 Hz – 184 Hz

28 Hz – 208 Hz useable frequency range

Maximum Output:

Calculated Peak Output: 118 dB SPL

Calculated Continuous Output: 112 dB SPL

Nominal Impedance: 8 ohms switchable

Power Rating: 100 W

SPL: 92 dB, 2.83 V, 1 m, free space (4pi)

Transformer Taps: 70 V: 60, 30, 15, 7.5 W / 100 V: 60, 30, 15 W / 8 ohms selected by switch

Connectors: Ceramic block or 4-pin Euro terminals in fire protective sub-chamber

Dimensions:

Diameter: 12.6″” (32 cm)

Depth: 14.5″” (36.83 cm)

Weight: 20 lbs.

Shipping Weight: 29 lbs.

Shipping Dimensions (LxWxH): 27 x 16 x 16″