Specs:

Drive Units:

One – 5˝ x 9˝ Long-Throw Quadratic Subwoofer Bass Driver, coupled to:

Two – 6-3/4˝ x 8˝ Quadratic Planar Infrasonic Radiators

One – 4-1/2˝ High-Definition
Cast-Basket MVPP™
Upper-Bass/Mid Driver

One – HVFR™ High-Velocity
Folded Ribbon Tweeter

Frequency Response: 21 Hz – 35 kHz

Efficiency: 90dB

Nominal Impedance: Compatible with 8 Ohms

Recommended Amplifier Power: 20 – 400 watt/channel

Built-In Subwoofer Power Amplification: 800 watt ForceField Amplifier

Dimensions
 

5-1/4˝ (13.3 cm) W (front)
x 7˝ (17.8 cm) W (rear)
x 13˝ (33 cm) D
x 44˝ (111.8 cm) H