Subwoofers

Fi Car Audio - MT Series 18" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  The 2022 MT Series of Fi subwoofers is designed to meet the needs of the serious competitor and and monster basshead. With a massive 4″ voicecoil for...

Fi Car Audio - NEO 4.11 15" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  The midpoint between the Delta and Omega lines: Comes with standard 4″ 4 layer and 4 spiders with the options for the Plus 4″ coils, extra spider,...

Fi Car Audio - NEO 4.11 12" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  The midpoint between the Delta and Omega lines: Comes with standard 4″ 4 layer and 4 spiders with the options for the Plus 4″ coils, extra spider,...

Fi Car Audio - XV4 Series 12" Subwoofer

                *Currently built to order with up to a 4 week lead time depending on selected options.  The Xv4 Series of subwoofers is a super tough daily entry level sub. A double stack of wide...

Fi Car Audio - HC Series 15" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  The HC Series signals a return to traditional ferrite motors. The HC Series is the latest in the progression of Fi subwoofers geared towards thundering daily...

Fi Car Audio - HC Series 12" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  The HC Series signals a return to traditional ferrite motors. The HC Series is the latest in the progression of Fi subwoofers geared towards thundering daily...

Fi Car Audio - Xv4 Series 10" Subwoofer

            *Currently built to order with up to a 4 week lead time depending on selected options.    The Xv4 Series of subwoofers is a super tough daily entry level sub. A double stack of wide high...

Fi Car Audio - MT Series 15" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  The 2022 MT Series of Fi subwoofers is designed to meet the needs of the serious competitor and and monster basshead. With a massive 4″ voicecoil for...

Fi Car Audio - MT Series 12" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  The 2022 MT Series of Fi subwoofers is designed to meet the needs of the serious competitor and and monster basshead. With a massive 4″ voicecoil for...

Fi Car Audio - NEO 3.7 12" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.   Comparable to older BTL series drivers. Great tough daily driver with plenty of heritage. Standard 3 spider but can be made with 4 or 5 if needed for...

Fi Car Audio - XV4 Series 18" Subwoofer

    *Currently built to order with up to a 4 week lead time depending on selected options.  The Xv4 Series of subwoofers is a super tough daily entry level sub. A double stack of wide high strength magnets and a standard high...

Fi Car Audio - NEO 4.9 15" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  Comparable to SP4+ or Team series drivers depending on coil option. Comes with standard 4″ 4 layer and 4 spiders with the option for the Plus 4″...