d&b audiotechnik 21S-SUB 21-Inch Passive Subwoofer - Weather-Resistant 100327624 Usable Height: 12

Usable Height: 12

Nominal impedance: 16 Ω

Operating temperature: 0 to +45°C (+32 to +113°F)

16 stereo-linkable input channels

Furman's Symmetrically Balanced Power provides an invisible noise floor

d&b audiotechnik 21S-SUB 21-Inch Passive Subwoofer - Weather-Resistant 100327624 Usable Height: 12d&b audiotechnik 21S SUB 21 Inch Passive Subwoofer Weather Resistant The 21S SUB is a high performance subwoofer for use with the xS Series and xA Series loudspeakers and is intended for a wide range of permanently installed applications. The cabinet houses a single long excursion 21" driver in a bass reflex design. The large, specially shaped reflex port enables the 21S SUB to achieve high Sound Pressure Levels from a cabinet with a small footprint.