Helix Esprit E12W Shallow-mount 12" subwoofer with dual 2-ohm voice coils at Crutchfield
Deep Blue 10 - Helix 10" 400 Watt Subwoofer
HELIX U 10A | active subwoofer | 10 inch / 250 mm | Audiotec Fischer
Helix Precision P12W 12" Subwoofer
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.