Jamo E4SUB1 Active Subwoofer, sold AS IS, output is low. E4SUB.1 is a small elegant cube-like subwoofer that`s easy to place in any room. Features a custom designed 8in woofer and a built-in 70 watt amplifier with variable level and cut-off frequency controls. Can be placed almost anywhere as the human ear is not able to localise where the deepest audible frequencies come from. Specification: Type: E 4SUB.1 System: Active subwoofer BassReflex Woofer: 203 mm (8``) Amp. Rated output: 70W Frequency range: 45 - 150 Hz Upper cutoff frequency: Adj. 70 - 150 Hz Maximum SPL: 100 dB Dimensions: 34.6 x 31.5 x 34.5 cm (SN:E4SUB1-B) (184229-19) Cabinet is in excellent condition and the 10" driver has good surround, no tears, etc.