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CT Sounds Enclosures

CT Sounds was founded in 2013 by Coleman Thedinger and revived in 2020 by his brother Calvin after Coleman's passing. Now operating from a 10,000 sq ft facility with plans to expand to 30,000 sq ft, CT Sounds delivers direct-to-consumer car audio including amplifiers, subwoofers, speakers, and accessories. Their promise is simple: "Best bang for the buck in car audio." With same-day shipping, 1-year warranty, and competitive pricing, CT Sounds makes quality car audio accessible to everyone.

CT1X10 // Single 10” Kerf Port Universal Car Subwoofer Box

CT1X10 // Single 10” Kerf Port Universal Car Subwoofer Box

The CT Sounds CT1X10 is a single 10-inch empty car subwoofer box engineered for maximum bass response and low-frequency reproduction. The kerf-style port, universal fit, poly-filled lined internal walls, and 9.45” cutout diameter make this pre-fabricated 10” subwoofer enclosure compatible with a wide variety of subwoofer brands on the market. Its kerf-style port, typically only seen in custom enclosures, will “unhide” the missing bass in your system and have your subwoofer playing deeper and mor

CT1X12 // Single 12” Kerf Port Universal Car Subwoofer Box

CT1X12 // Single 12” Kerf Port Universal Car Subwoofer Box

The CT Sounds CT1X12 is a single 12-inch empty car subwoofer box engineered for maximum bass response and low-frequency reproduction. The kerf-style port, universal fit, poly-filled lined internal walls, and 11.34” cutout diameter make this pre-fabricated 12” subwoofer enclosure compatible with a wide variety of subwoofer brands on the market. Its kerf-style port, typically only seen in custom enclosures, will “unhide” the missing bass in your system and have your subwoofer playing deeper and mo

CT1X8 // Single 8” Kerf Port Universal Car Subwoofer Box

CT1X8 // Single 8” Kerf Port Universal Car Subwoofer Box

The CT Sounds CT1X8 is a single 8-inch empty car subwoofer box engineered for maximum bass response and low-frequency reproduction. The kerf-style port, universal fit, poly-filled lined internal walls, and 7.37” cutout diameter make this pre-fabricated 8” subwoofer enclosure compatible with a wide variety of subwoofer brands on the market. Its kerf-style port, typically only seen in custom enclosures, will “unhide” the missing bass in your system and have your subwoofer playing deeper and more a

CT2X10 // Dual 10” Kerf Port Universal Car Subwoofer Box

CT2X10 // Dual 10” Kerf Port Universal Car Subwoofer Box

The CT Sounds CT2X10 is a dual 10-inch empty car subwoofer box engineered for maximum bass response and low-frequency reproduction. The kerf-style port, universal fit, poly-filled lined internal walls, and 9.45” cutout diameter make this pre-fabricated 10” subwoofer enclosure compatible with a wide variety of subwoofer brands on the market. Its kerf-style port, typically only seen in custom enclosures, will “unhide” the missing bass in your system and have your subwoofer playing deeper and more

CT2X12 // Dual 12” Kerf Port Universal Car Subwoofer Box

CT2X12 // Dual 12” Kerf Port Universal Car Subwoofer Box

The CT Sounds CT2X12 is a dual 12-inch empty car subwoofer box engineered for maximum bass response and low-frequency reproduction. The kerf-style port, universal fit, poly-filled lined internal walls, and 11.34” cutout diameter make this pre-fabricated 12” subwoofer enclosure compatible with a wide variety of subwoofer brands on the market. Its kerf-style port, typically only seen in custom enclosures, will “unhide” the missing bass in your system and have your subwoofer playing deeper and more

CT2X8 // Dual 8” Kerf Port Universal Car Subwoofer Box

CT2X8 // Dual 8” Kerf Port Universal Car Subwoofer Box

The CT Sounds CT2X8 is a dual 8-inch empty car subwoofer box engineered for maximum bass response and low-frequency reproduction. The kerf-style port, universal fit, poly-filled lined internal walls, and 7.37” cutout diameter make this pre-fabricated 8” subwoofer enclosure compatible with a wide variety of subwoofer brands on the market. Its kerf-style port, typically only seen in custom enclosures, will “unhide” the missing bass in your system and have your subwoofer playing deeper and more acc

Dual 10 Inch Ported Subwoofer Box Design

Dual 10 Inch Ported Subwoofer Box Design

Dimensions: 29 3/4" x 16" x 13"  The dual 10-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This dual 10-in sub-box design has a volume of 1.80 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box desig

Dual 10 Inch Sealed Subwoofer Box Design

Dual 10 Inch Sealed Subwoofer Box Design

The dual 10-inch sealed subwoofer box design provides you with the blueprints to build your own sealed subwoofer box. This dual 10-in sub-box design has a volume of 1.1 ft3  . A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

Dual 10 Inch Vented Subwoofer Box Design

Dual 10 Inch Vented Subwoofer Box Design

The dual 10-inch vented subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This dual 10-in sub-box design has a volume of 2.40 ft3 and a tuning frequency of 33 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Dual 12 Inch Front Ported Subwoofer Box Design

Dual 12 Inch Front Ported Subwoofer Box Design

The dual 12-inch front-ported subwoofer box design provides you with the blueprints to build your own ported subwoofer box. This dual 12-in sub-box design has a volume of 4.00 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Dual 12 Inch Ported Subwoofer Box Design

Dual 12 Inch Ported Subwoofer Box Design

The dual 12-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This dual 12-in sub-box design has a volume of 3.00 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Dual 12 Inch Sealed Subwoofer Box Design

Dual 12 Inch Sealed Subwoofer Box Design

The dual 12-inch sealed subwoofer box design provides you with the blueprints to build your own sealed subwoofer box. This dual 12-in sub-box design has a volume of 1.50 ft3  . A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

Dual 12 Inch Side Ported Subwoofer Box Design

Dual 12 Inch Side Ported Subwoofer Box Design

The dual 12-inch side-ported subwoofer box design provides you with the blueprints to build your own ported subwoofer box. This dual 12-in sub-box design has a volume of 3.25 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Dual 12 Inch Vented Subwoofer Box Design

Dual 12 Inch Vented Subwoofer Box Design

The dual 12-inch vented subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This dual 12-in sub-box design has a volume of 3.75 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Dual 15 Inch Ported Subwoofer Box Design

Dual 15 Inch Ported Subwoofer Box Design

The dual 15-inch ported subwoofer box design provides you with the blueprints to build your own ported subwoofer box. This dual 15-in sub-box design has a volume of 7.00 ft3 and a tuning frequency of 31 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. Port Size: 18.5” X 3” X 14.5” *Note: All box designs are non-returnable. There is no refund on box designs

Dual 15 Inch Sealed Subwoofer Box Design

Dual 15 Inch Sealed Subwoofer Box Design

The dual 15-inch sealed subwoofer box design provides you with the blueprints to build your own sealed subwoofer box. This dual 15-in sub-box design has a volume of 5 ft3  . A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

Dual 18 Inch Ported Subwoofer Box Design

Dual 18 Inch Ported Subwoofer Box Design

The dual 18-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This dual 18-in sub-box design has a volume of 10.40 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Dual 6.5 Inch Ported Subwoofer Box Design

Dual 6.5 Inch Ported Subwoofer Box Design

The dual 6.5-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This dual 6.5-in sub-box design has a volume of 1.00 ft3 and a tuning frequency of 36 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Dual 6.5 Inch Sealed Subwoofer Box Design

Dual 6.5 Inch Sealed Subwoofer Box Design

The dual 6.5-inch sealed subwoofer box design provides you with the blueprints to build your own sealed subwoofer box. This dual 6.5-in sub-box design has a volume of 0.50 ft3  . A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

Dual 8 Inch Ported Subwoofer Box Design

Dual 8 Inch Ported Subwoofer Box Design

The dual 8-inch ported subwoofer box design provides you with the blueprints to build your own ported subwoofer box. This dual 8-in sub-box design has a volume of 1.50 ft3 and a tuning frequency of 35 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

Dual 8 Inch Sealed Subwoofer Box Design

Dual 8 Inch Sealed Subwoofer Box Design

The dual 8-inch sealed subwoofer box design provides you with the blueprints to build your own sealed subwoofer box. This dual 8-in sub-box design has a volume of 0.60 ft3  . A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

Dual 8 Inch Vented Subwoofer Box Design

Dual 8 Inch Vented Subwoofer Box Design

The dual 8-inch vented subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This dual 8-in sub-box design has a volume of 1.50 ft3 and a tuning frequency of 35 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Single 10 Inch Ported Subwoofer Box Design

Single 10 Inch Ported Subwoofer Box Design

The single 10-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This single 10-in sub-box design has a volume of 1.00 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Single 12 Inch Ported Subwoofer Box Design

Single 12 Inch Ported Subwoofer Box Design

The single 12-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This 12-in sub-box design has a volume of 2.00 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

Single 15 Inch Ported Subwoofer Box Design

Single 15 Inch Ported Subwoofer Box Design

The single 15-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This single 15-in sub-box design has a volume of 3.25 ft3 and a tuning frequency of 32 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.    Dimension: (34 x 20.25

Single 18 Inch Ported Subwoofer Box Design

Single 18 Inch Ported Subwoofer Box Design

The single 18-inch ported subwoofer box design provides you with the blueprints to build your own ported subwoofer box. This single 18-in sub-box design has a volume of 5.25 ft3 and a tuning frequency of 32 Hz. Dimensions: 34" x 29.5" x 14". A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box desi

Single 6.5 Inch Sealed Subwoofer Box Design

Single 6.5 Inch Sealed Subwoofer Box Design

The single 6.5-inch sealed subwoofer box design provides you with the blueprints to build your own sealed subwoofer box. This single 6.5-in sub-box design has a volume of 0.25 ft3  . A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

Single 6.5" Ported Subwoofer Box Design

Single 6.5" Ported Subwoofer Box Design

The single 6.5-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This single 6.5-in sub-box design has a volume of 0.55 ft3 and a tuning frequency of 36 Hz.  A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs. 

Single 8 Inch Sealed Subwoofer Box Design

Single 8 Inch Sealed Subwoofer Box Design

The single 8-inch sealed subwoofer box design provides you with the blueprints to build your own sealed subwoofer box. This single 8-in sub-box design has a volume of 0.32 ft3  . A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com. *Note: All box designs are non-returnable. There is no refund on box designs.

TROPO-1X10D2 // Single 10” 1300-Watt Loaded Tropo Series Ported Car Subwoofer Box

TROPO-1X10D2 // Single 10” 1300-Watt Loaded Tropo Series Ported Car Subwoofer Box

The CT Sounds TROPO-1X10D2 is a pre-loaded single 10” ported car subwoofer box that takes the guesswork out of finding the perfect subwoofer and enclosure for your system. The bass package features our TROPO-10-D2 1300-watt max power 10-inch car subwoofer which comes pre-installed flush into the 1.25” front baffle using claw nuts and fasteners ensuring an air-tight seal. Additionally, the dual 2-ohm subwoofer is pre-wired inside the enclosure using 12 gauge ofc wire for a 1-ohm final impedance a

TROPO-1X12D2 // Single 12” 1300-Watt Loaded Tropo Series Ported Car Subwoofer Box

TROPO-1X12D2 // Single 12” 1300-Watt Loaded Tropo Series Ported Car Subwoofer Box

The CT Sounds TROPO-1X12D2 is a pre-loaded single 12” ported car subwoofer box that takes the guesswork out of finding the perfect subwoofer and enclosure for your system. The bass package features our TROPO-12-D2 1300-watt max power 12-inch car subwoofer which comes pre-installed flush into the 1.25” front baffle using claw nuts and fasteners ensuring an air-tight seal. Additionally, the dual 2-ohm subwoofer is pre-wired inside the enclosure using 12 gauge ofc wire for a 1-ohm final impedance a

TROPO-1X8D2 // Single 8” 800-Watt Loaded Tropo Series Ported Car Subwoofer Box

TROPO-1X8D2 // Single 8” 800-Watt Loaded Tropo Series Ported Car Subwoofer Box

The CT Sounds TROPO-1X8D2 is a pre-loaded single 8” ported car subwoofer box that takes the guesswork out of finding the perfect subwoofer and enclosure for your system. The bass package features our TROPO-8-D2 800-watt max power 8-inch car subwoofer which comes pre-installed flush into the 1.25” front baffle using claw nuts and fasteners ensuring an air-tight seal. Additionally, the dual 2-ohm subwoofer is pre-wired inside the enclosure using 12 gauge ofc wire for a 1-ohm final impedance at the

TROPO-2X10D4 // Dual 10” 2600-Watt Loaded Tropo Series Ported Car Subwoofer Box

TROPO-2X10D4 // Dual 10” 2600-Watt Loaded Tropo Series Ported Car Subwoofer Box

The CT Sounds TROPO-2X10D4 is a pre-loaded dual 10” ported car subwoofer box that takes the guesswork out of finding the perfect subwoofers and enclosure for your system. The bass package features two of our TROPO-10-D4 1300-watt max power 10-inch car subwoofers which come pre-installed flush into the 1.25” front baffle using claw nuts and fasteners ensuring an air-tight seal. Additionally, the dual 4-ohm subwoofers are pre-wired inside the enclosure using 12 gauge ofc wire for a 1-ohm final imp

TROPO-2X12D4 // Dual 12” 2600-Watt Loaded Tropo Series Ported Car Subwoofer Box

TROPO-2X12D4 // Dual 12” 2600-Watt Loaded Tropo Series Ported Car Subwoofer Box

The CT Sounds TROPO-2X12D4 is a pre-loaded dual 12” ported car subwoofer box that takes the guesswork out of finding the perfect subwoofers and enclosure for your system. The bass package features two of our TROPO-12-D4 1300-watt max power 12-inch car subwoofers which come pre-installed flush into the 1.25” front baffle using claw nuts and fasteners ensuring an air-tight seal. Additionally, the dual 4-ohm subwoofers are pre-wired inside the enclosure using 12 gauge ofc wire for a 1-ohm final imp

TROPO-2X8D4 // Dual 8” 1600-Watt Loaded Tropo Series Ported Car Subwoofer Box

TROPO-2X8D4 // Dual 8” 1600-Watt Loaded Tropo Series Ported Car Subwoofer Box

The CT Sounds TROPO-2X8D4 is a pre-loaded dual 8” ported car subwoofer box that takes the guesswork out of finding the perfect subwoofers and enclosure for your system. The bass package features two of our TROPO-8-D4 800-watt max power 8-inch car subwoofers which come pre-installed flush into the 1.25” front baffle using claw nuts and fasteners ensuring an air-tight seal. Additionally, the dual 4-ohm subwoofers are pre-wired inside the enclosure using 12 gauge ofc wire for a 1-ohm final impedanc