XD-series is a range of next generation subwoofers. Featuring US-patented enclosure design, a combination of assymmetric horn combined with band-pass loading gives the subwoofer high efficiency, speed and extremely low distortion figures while minimizing the off-band problems common to bass reflex and direct radiating designs. The usable frequency range also increases compared to common designs together with detail and transient output through out the whole usable bass region. The extremely accurate cone control due to three acoustically tuned segments make a huge difference to how the smallest nuances are performed. The reduced Xmax will also maximize the life of the driver.

XD18i is an installation dedicated subwoofer featuring 18" high power driver in high sensitivity XD-enclosure.