Fi Car Audio - NEO 4.7 18" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  New cooling and inductance features that are set up in stages. The first stage is a machined aluminum pole sleeve. This provides better heat wicking and is the...

Fi Car Audio - NEO 3.9 18" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  Comparable to the Team3 series. High motor force and plenty of attack. Great for SPL or high pressure applications. 2500W+. Standard 4 spider but can be made...

Fi Car Audio - NEO 3.9 15" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  Comparable to the Team3 series. High motor force and plenty of attack. Great for SPL or high pressure applications. 2500W+. Standard 4 spider but can be made...

Fi Car Audio - NEO 3.9 12" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.   Comparable to the Team3 series. High motor force and plenty of attack. Great for SPL or high pressure applications. 2500W+. Standard 4 spider but can be...

Fi Car Audio - NEO 3.7 18" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  ***For custom options (Carbon Fiber Cone Upgrade, Black Neo Upgrade, Powder Coated Parts, and Dust Cap Logo Colors) please email...

Fi Car Audio - NEO 3.7 15" 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 increased...

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 - NEO 3.5 18" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  Comparable to the older Q series drivers. Great SQ (especially with full cool/IND options. standard 2 spider, but can be made with 3. 1750W. Works in sealed,...

Fi Car Audio - NEO 3.5 15" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  Comparable to the older Q series drivers. Great SQ (especially with full cool/IND options. standard 2 spider, but can be made with 3. 1750W. Works in sealed,...

Fi Car Audio - NEO 3.5 12" Subwoofer

*Currently built to order with up to a 4 week lead time depending on selected options.  Comparable to the older Q series drivers. Great SQ (especially with full cool/IND options. standard 2 spider, but can be made with 3. 1750W. Works in sealed,...

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 - 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...