Pioneer TS-WX303 30 cm Subwoofer
OPTIMAL ENCLOSURE SIZE FOR MAXIMUM-PERFORMANCE
SUBWOOFER SOUND.
IMPPTM COMPOSITE SEAMLESS CONE
SIX-LAYER VOICE COIL WIRE
EXTENDED EXCURSION DESIGN
VENTED POLE YOKE
EXTENDED POLE YOKE
LARGE STRONTIUM MAGNET
LARGE BINDING POSTS