Technical data:

• Design：4.5-way vented-box

• Frequency Response：25Hz-40kHz

• Sensitivity (2.83V/1m)：90dB

• Impedance：4 ohms

• Power Recommended：50-500W 

• Tweeter：Model：AST30130 aero striction tweeter. 

• Rear Firing Tweeter：Model: APR2.1. Sandwich aluminum ribbon tweeter. 

• Midrange：Model：AC130/DC50SC, 2 × 5.2″ Non-woven carbon fiber sandwich cone, 2″ copper clad aluminum flat wire voice coil . 

• Woofer：Model：AC250/DC75C2C, 2 × 10″.Aluminum frame, Non-woven carbon fiber sandwich cone woofer, 3″ copper clad aluminum flat wire voice coil . 

• Crossover Frequency：150Hz, 210Hz,1.8kHz and 12kHz 

• Crossover’s Attenuation Slope：Woofer -12dB，Midrange：M1 -18d B，M2 -12dB， Tweeter -18dB，Rear firing tweeter -12dB. 

• Crossover Components：M-cap Supreme MKP capacitors , M-cap MKP capacitors , Aurum Cantus MKP capacitors , OFC inductors , military grade metal oxide film resistors . 

• Connective Cable：Teflon insulated OCC cable 

• Damping Material：The polyester fiber and the PU foam

• Connections：4 pcs 18mm gold-plated copper connector, Bi-wiring

• Structure of Cabinet：Parabola-shaped cabinet structure. Midrange chamber and woofer chamber are completely separate. 

• Cabinet Material：High quality MDF 

• Finish：Sapele pomele PE high gloss paint.

• Rosewood PE high gloss paint.

• Cherry PE high gloss paint.

• Maple PE high gloss paint.

• Black PE high gloss paint .

•  White PE high gloss paint. 

• Dimensions (HWD)：1410mm×390mm×512mm (55.51″×15.35″×20.16″). 

• Net Weight：82kgs/pc  (181lb/pc)