Technical data:
Design：4.5 way vented-box 
Frequency Response：30Hz-40kHz 
Sensitivity (2.83V/1m)：88dB 
Impedance：4 ohms  
Power recommended：50-350W  
Tweeter 1：Model: G2Si. Purified aluminum ribbon
Ribbon size (LWT) :60mm×8.5mm×0.01mm. High power handling, high output
Tweeter 2:  Model: AST2560 Aero striction tweeter, diaphram size: 25mm x 60mm
Tweeter 3 ( Rear firing ):  Model: G2Si . Purified aluminum ribbon tweeter, ribbon size: 60mm x 8.5mm x 0.01mm
Midrange: Model: AC165/DC50SCTi-2, 165mm ( 6.5″ ). Aluminum frame,  Nanometer aero metal material plated carbon fiber sanwich cone, 50mm ( 2″ ) copper clad aluminum flat wire voice coil 
Woofer: Model : AC200/50C2CTi, 2 x 200mm ( 8" ). Aluminum frame, Nanometer aero metel material plated carbon fiber sanwich cone, 50mm ( 2" ) copper clad aluminum flat wire voice coil.
Crossover Frequency：200Hz, 1.8KHZ, 7KHZ, 9KHZ
Crossover’s Attenuation Slope：Woofer -12dB, Midrange-12dB. Tweeter 1,2 and 3: -12dB
Crossover Components：M-Cap MKP capacitors,  Aurum Cantus MKP capacitors, non polarize electrolytic capacitors, high purified OFC inductors , military grade metal oxide film resistors .
Connective Cable：Teflon insulated OCC cable
Damping Material：High quality wool, polyester fiber and PU foam
Connections：4 pcs 18mm gold-plated copper connectors , bi-wiring
Cabinet Material：High quality MDF 
Finish:  standard finish : Sapele pomele PE high gloss paint, Optional finish:  Rosewood PE high gloss paint, Cherry PE high gloss paint, Black piano PE high gloss paint .
Dimensions (HWD)：1190mm × 357mm × 492mm  ( 46.85″ × 14.06″ × 19.37″ ).
Net Weight：61kgs / pc ( 134.47 Lbs / pc)