d&b audiotechnik 21S-SUB 21-Inch Passive Subwoofer 100737851 Crossover Frequency: 1700 Hz

Crossover Frequency: 1700 Hz

USB Loopback with selectable source

Components: 4 x 4" driver with neodymium magnet

08" (2mm) WALL THICKNESS

pin-3 cold (-)

d&b audiotechnik 21S-SUB 21-Inch Passive Subwoofer 100737851 Crossover Frequency: 1700 Hzd&b audiotechnik 21S SUB 21 Inch Passive Subwoofer 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. When operated in