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Definitive Technology was founded in Maryland in 1990 by a sound obsessed veteran of the loudspeaker industry and a group of brilliant audio engineers on a mission. 

There's a fine line between loving sound and being obsessed with it, or so we've been told. Because when it comes to making things sound their absolute best, we have a hard time believing that "good enough" is good enough. Even greatness is not enough. Sound must be flawless. Perfect. Uncompromising. Our lineup has expanded from a core home theater line to a full array of products designed for no-compromise sonic performance for every room and application.

Protect valuable electronics from the salt air, water and weather with Metra’s marine radio covers and complete stereo enclosures and housing. Universal designs work for almost any standard single-DIN radio and are built with UV-resistant materials.

Featuring unique technologies such as Forward Focused Bipolar Array, Balanced Double Surround System woofers, an integrated subwoofer, and passibe bass radiators, Definitive loudspeakers deliver the absolute pinnacle in immersive home cinema and hi-fi sound.


Metra Marine® lights are built to last! Add spotlights, lightbars, accent lights, underwater transom, and spreader lights to any boat. Choose from single color lights for a uniform look or change it up with 16 million different color choices using our RGB and RGB/W options. Our durable LED lights are brighter but use less energy than traditional lighting.

Definitive Technology has long been renowned for thunderous bass that never sacrifices clarity, with our subwoofers leading the way. Every subwoofer delivers our signature sound, while being versatile enough to partner beautifully with any speaker brand. 


Don't overlook the connections! Marine amp kits provide full CEA spec BC-5W2 marine compliant cable with circuit breaker protection to eliminate short circuits and offer an easy reset. No need to carry miscellaneous fuses in case of a problem. Kits include tinned oxygen-free copper wire to ensure that your audio system can perform to its true potential.

Mount anywhere, hear everywhere. The all weather series can withstand rain, snow, and temperature extremes. The aluminum dome tweeters coupled with a BDSS bass driver, and passive radiator deliver unforgettably clear, clean treble and impactful bass. 


Enjoy impressive sound everywhere in your home without the visual intrusion of traditional speakers. Engineered to be nearly invisible, hidden flange designs, our in-wall and in-ceiling loudspeakers vanish into any room and reveal performance hidden beneath the surface.


Re-enjoy your favorite movies and shows in room-wrapping surround sound while never missing a word of dialogue. Stream your favorite songs to the center of your room. Definitive Technology sound bars make your favorite things sound even better.


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