Features 8" bass-reflex powered subwoofer delivers low frequencies down to 22Hz 22Hz - 150Hz frequency response High-power 150W amplifier exclusively designed for low frequencies LOW CUT switch, LOW CUT control (80-120Hz) HIGH CUT control (80-120 Hz) PHASE switch allow users to set up a subwoofer system with simple connections and no additional equipment XLR and TRS phone for inputs and XLR for outputs Specs 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) Power consumption: 70W Shape: Bass-reflex type Cabinet material: MDF Dimensions: 300mm (11.8") x 350mm (13.8") x 389mm (15.3") Net weight: 12.5kg (27.6 lbs.) 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)