This 2.1 multimedia speaker system is a practical audio solution for all multimedia applications. With upward angled satellites and a downward angled subwoofer, sound is channeled towards the user with a clear, even bass output. The wired remote allows for ease of volume control and the 3.5mm stereo input easily connects to any host device.Total power output: RMS 2W x 2 + 4.5W x 1 THD + N (testing level): 10% Signal to noise ratio: 85dBA Frequency response: Satellites: 150Hz - 20kHz Subwoofer: 20Hz - 170kHz Distortion: 0.5% Input sensitivity: Satellites: 350mV ± 50mV Subwoofer: 250mV ± 50mV Input impedance: 10KΩ Audio Input Type: 3.5mm Stereo line-in Adjustment: Wired remote Subwoofer / bass unit: 4 inch (106mm) Magnetically shielded, 6Ω Tweeter unit: 50mm x 90mm, magnetically shielded, 4Ω Remote control: Wired: Volume control, headphone jack, mute Dimensions: Satellites: 64mm x 140mm x 112mm Subwoofer: 158mm x 225mm x 252mm (WxHxD) Weight: 2.50Kg (net) / 3.20Kg (gross)