EB-5182DR Features: A. 4 Kinds of Inputs: Aux, CD/VCD, Pops, Classic and 3D; B. Decodes AC-3, pro Logic II, THX & DTS; E. 8 Sound Effects: F. Live/Simulated/Hall/Chorus/Theater/Stadium/Matrix; G. Automatic Restore, Surround and Center Prolong, All H. Channels Automatic Checking; G. Remote Power Standby; Output Rating(RMS): Front: 8W x 2 Center: 8W Surround: 8W x 2 Subwoofer: 25W Impedance Rating: 8 Ohm Frequence Response: 20Hz - 20KHz Separation: > 50dB S/N Ratio: > 70dB THD: <0.1% Driver Unit: Front: 3" x 2 Center: 3" Surround: 3" x 2 Subwoffer: 5.25" Dimensions(LxDxH): Front: 102x110x170 mm Center: 110x102x175 mm Surround: 110x102x175mm Subwoffer: 130x380x400 mm Packing: 1 set/Color Box: 552x210x552 mm 1 set/Master Carton: 567x225x567 mm N.W./G.W.: 13.0/14.5 kgs 20'Q Q'ty: 400 Sets 40'Q Q'ty: 820 Sets 40'HQ Q'ty: 935 Sets