Uniquely designed, upward angled satellites projects sound towards the listeners Translucent satellite stands provides support, the structure reduces possible interference that originates from surfaces Master volume & bass adjustment dials located on the side panel of the subwoofer 3.5mm line-in jack located on the side of the subwoofer for connectivity to audio hosts 5 inch super bass driver & 234; inch mid-range & tweeter drivers provide 27watts RMS audio output Front facing bass reflex port for enhanced bass audio output Wooden MDF subwoofer housing enhances audio output & reduces audio resonance Magnetically shielded speaker drivers Total power output: RMS 7.5 Wx 2 + 12W Signal to noise ratio: 85d BA Distortion: 0.5% Frequency response: R/L: 200 Hz~20 K Hz SW: 30 Hz~130 Hz Input sensitivity: 450m V ± 50m V Audio Input Type: 3.5mm Stereo line-in Adjustment: Master volume control Subwoofer / bass unit:5 inch (131mm), Magnetically shielded, 4 Treble unit:234; inch (72mm), Magnetically shielded, 4 Weight:4.1kg (net) 4.83kg (gross)