‌8" bass-reflex powered subwoofer delivers low frequencies down to 22Hz.

Speaker type Powered subwoofer Frequency range (-10dB) 22Hz - 160Hz Components LF 8" cone Output power 150W I/O connectors INPUT: XLR3-31 type (balanced) x2, PHONE (balanced) x2 / OUTPUT: XLR3-32 type (balanced) x2 (L&R) Dimensions W 300mm (11.8")H 350mm (13.8")D 389mm (15.3") Net weight 12.5kg (27.6 lbs.) Shape Bass-reflex type Cabinet material MDF Power consumption 70W Others LEVEL control, PHASE switch : NORM./REV., HIGH CUT control (80-120Hz, center click), LOW CUT control (80-120Hz, center click), LOW CUT switch (ON/OFF)