Edifier M1360 2.1 Multimedia Speakers - 3.5mm AUX/4INCH Subwoofer/Remote/RCA Remote Control input 2.1 speaker system with upward-angled satellites and downward-firing subwoofer. Downward-firing 4 inch Subwoofer Wired control for audio and volume 3.5mm AUX easy connection Specifications: Total power output RMS 2W x 2 + 4.5W x 1 Signal-to-noise ratio ≥85dBA Frequencu response Satellites: 150Hz - 20kHz Subwoofer: 20Hz - 170Hz Distortion ≤0.5% Input sensitivity Satellites: 350mV ± 50mV | Subwoofer: 250mV ± 50mV Adjustment Wired remote Subwoofer / bass unit 4 inch (106mm) Tweeter unit 50mm x 90mm Remote control Wired: Volume control, headphone jack, mute Dimension Subwoofer: 158mm x 225mm x 252mm (WxHxD) Weight ≈2.50Kg (net) / ≈3.20Kg (gross)