d&b audiotechnik 21S-SUB 21-Inch Passive Subwoofer 100705427 2 Dual 6" 2‑way Surface-Mount

2 Dual 6" 2‑way Surface-Mount Loudspeaker

18 mm exterior grade 11-ply Finnish birch plywood

Net Weight: Microphone: 16 g (0

Woofer: 8" glass-composite

Lux: 14541 @ 1M

d&b audiotechnik 21S-SUB 21-Inch Passive Subwoofer 100705427 2 Dual 6" 2‑way Surface-Mountd&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