Edifier S550

Total power output: RMS 32W x 5 + 120W x 1 
THD + N (testing level): 10% 
Signal to noise ratio: ≥85dBA 
Frequency response: Satellites: 150Hz - 20kHz | Subwoofer: 20Hz - 120Hz 
Distortion: ≤0.5% 
Input sensitivity: Satellites: 600mV ± 50mV (PC), 750mV ± 50mV (CD) | Subwoofer: 300mV ± 50mV (PC), 350mV ± 50mV (CD)
Input impedance: 10KΩ
Audio Input Type: 5.1 channel RCA input, Auxiliary input
Subwoofer / bass unit: 10 inch, magnetically shielded, 8Ω
Midrange / high unit: FR/FL/SR/SL: 3½ inch (92mm), magnetically shielded, 8Ω | Center: 3½ inch (92mm), magnetically shielded, 4Ω
Tweeter unit: Ф25mm silk domed tweeter, magnetically shielded, 6Ω
Remote control: Wireless: Mute, volume, Funtion, Speaker adjustment, Input selection, LCD light control, Reset Wired: LCD Display, Full Function EQ adjustment knob, Mute, Input selection, Headphone output
Control panel: Power, Mute, Volume, Speaker adjustment, input selection, LCD display, LCD dimmer, Function reset, Full function EQ control
Dimensions: Subwoofer: 367mm × 397mm × 489mm | Front speaker: 116mm × 203mm × 160mm Center speaker: 316mm × 117mm × 157mm (W×H×D)
Weight: ≈33.50Kg (net) / ≈37.40Kg (gross)