– 8″ active subwoofer – built-in 120 W RMS / 220 W max amplifier – Low pass filter 30 – 120Hz – Phase Switch 0 / 180 – Adjustable bass boost control – Source voltage 10-15 volt – 1 x stereo RCA input – 1 x stereo high-level input with auto-on – EFP ( Enchanced Flow Port ) ported box – enclosure volume – very smooth response 20-60 Hz – Connector for optional remote control ( GZTA Bassremote ) – measurements WxHxD: 400 x 270 x305 / 245 mm.