Explore KCII Pro

SOLD OUT-New model in late first quarter 2021

See the 3 part KC II Pro audio review at:


Retail: $3999.00 including the $500.00 BOM

The KC II Pro is an upgraded version of the KC II. It uses our state of the art Neo Polyester tweeter from the top of the line EP2.8 and EP4.8 speakers. This tweeter offers amazing resolution, increased transparency and even greater dynamics compared to the standard KC II tweeter. In addition, the Pro uses an upgraded Special Edition crossover with higher quality parts. Finally, it comes with our $500.00 BOM 4-pole Linkwitz Transform Function analog EQ to extend the bass response to 35Hz.


System Type:Passive 3-way / 4-driver Dynamic Dipole
Frequency Response: 46Hz–22kHz +/-3dB typical in-room response from target curve, 35Hz with included BOM adjustable 4-pole Linkwitz Transform Function analog EQ
Frequency Linearity: +/- 3.0 dB from 100Hz-20KHz from target curve
Impedance: 6 ohms nominal, 4 ohms minimum
Recommended Power :20-200 watt amps
Max Power input: 150W RMS, 300W program
Sensitivity: 94dB 2.83V @ 1M @ 1kHz
Tweeter: Emerald custom 1” Polyester compression driver w neo magnet & copper clad aluminum VC
Midrange: Emerald Physics Godzilla 8” Mid-Woofer/Midrange
Crossover: Apature bass loading with Mechanical at 300Hz + 2nd order acoustic @300 Hz for the woofer, 4th order acoustic @1250Hz for the tweeter
Woofers: 2 X Emerald Physics custom 10” paper cone Woofers w/ Dual Pleated Surrounds
Dimensions: 41.25"H including base x 19.25"W at the base (12 7/8"W at the top) x 7.5"d to back of midrange/tweeter x 13 1/8" D including the base from front to rear. The panel is 2" deep
Weight: Net: 65lbs each, Shipping at 89lbs each box by UPS