
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.

The CT Sounds BIO-4-COX 4” 2-way coaxial car speakers are the perfect upgrade for your factory car speakers and are extremely versatile with the ability to be powered by your factory head unit, an aftermarket head unit, or a multichannel amplifier. The speakers are sold as a pair and include (2) 4” signature CT Sounds speaker grilles, (2) premium speaker wires with pre-crimped female spade connectors, (8) 1” mounting screws, (8) mounting clips, and (1) product manual with wiring diagrams for eas