R2000DB Total power output: 24Wx2 + 36Wx2 (DRC On) Signal to noise ratio: ≥85dB Distortion: ≤0.5% Chanel Separation: ≥45dB Input sensitivity: LINE 1: 900±50 mVLINE 2: 700±50 mV Optical:950±50 mFFs Audio input: RCA, Optical, Bluetooth Speaker unit: Tweeter: 19mm silk dome tweeter, Bass: 4 inch (116mm) Dimension: Active speaker: 174x289x252 (mm) Passive speaker : 174x289x238 (mm) Weight: Net 10.5Kg