Helix SPXL12 competition subwoofer--brand new Photo #1517419 - US Audio Mart
Brax, Helix, Match by Audiotec Fischer - Powerful and refined - The HELIX K-Series subwoofers These subwoofers fulfil the demands of sound pressure enthusiasts and audiophile music lovers at the same time.
Subwoofer Retrofit - 000051419 - Deutsche Auto Parts
Helix German Car Hifi SPXL 12 Subwoofer Woofer Referans Hifi 0312 394 21 11