15" High quality sub-woofer. Quick roll-off and high induction make it easy to cross-over with almost any quality mid-bass.
 

Well planned parameters allow the MAX Pentivent woofers to go in a variety of cabinet sizes well. Also, an excellent up-grade replacement for pre-made cabinets.
 

Special features:
DOUBLE SPIDER: Excellent control and mechanical power capacity.
2", 4 LAYER COPPER VOICE-COIL ON KAPTON BOBBIN: High temperature and low mass.
INJECTION MOLDED PP CONE: Most consistent cone type with excellent internal damping and great looks.
BLACK CHROME BASKET: Resists rust and looks great.
PENTIVENT 5 VENT COOLING: Cools the voice-coil without adding unwanted noises.
RUBBER SURROUND: Excellent internal damping and longevity.
CABINET COMPATIBILITY: Sealed, Ported, 4^th order band-pass, 6^th order band-pass.