2.1 Multimedia Speaker. Features: 4" full range driver for satellites speaker, 4" bass driver for subwoofer. Heavy duty metal grill for satellite. Built in AVR (Automatic Voltage Regulator) for wide main operating voltage range. High efficient energy saving design for Low Power Consumption. Side panel controls for volume and bass. Green LED power on indicator. Wooden cabinet delivers strong and low distortion bass. Easy connection to DVD, TV, PC, MP3, etc.  Specification: Power output: 11Wx2+13W (RMS). Satellite driver: 4” full range. Subwoofer driver: 4”. Frequency response: 120 - 20KHz (satellite) 65 - 120Hz (subwoofer). Signal to noise ratio: ≥ 75dB. Separation: ≥ 35dB. Dimension: W128 x H116 x D110 mm (satellite) W198 x H210 x D188 mm (subwoofer). Weight: 2.7Kg (net)