The Best Definitive Technology In-Ceiling Speakers 2025

1. Definitive Technology - Reference 13" In-Wall Subwoofer - Tan

DEFINITIVE TECHNOLOGY Disappearing In-Wall Series 4-1/2" In-Wall/In-Ceiling Loudspeaker (Each): 4-1/2" BDSS mid/woofer; pivoting 3/4" aluminum-dome tweeter; adjustable crossover; heavy-duty, spring-loaded inputs

Learn more about Magnolia Premium Installation This 13" subwoofer is designed to be mounted inside your wall, giving you a hidden system that delivers truly thumping bass. Designed to work with the Definitive Technology ProSub 600 amplifier for up to 275W of power 13" shallow-depth, long-excursion driver with a 13" pressure-driven infrasonic radiator Nonresonant sealed medite enclosure

2. Definitive Technology - 275W 2-Channel Subwoofer Amplifier - Black

Multiple channels; includes 1 set of rack ears; L/R input

Learn more about Magnolia Premium Installation Power your in-wall subwoofer (not included) with this 275W amplifier. Designed to operate on 1 or 2 channels, this amp lets you design the sound system that best fits your needs.

3. Definitive Technology - DI Series 3-1/2" Round In-Ceiling Speaker (Each) - White

DEFINITIVE TECHNOLOGY Disappearing In-Wall Series 4-1/2" In-Wall/In-Ceiling Loudspeaker (Each): 4-1/2" BDSS mid/woofer; pivoting 3/4" aluminum-dome tweeter; adjustable crossover; heavy-duty, spring-loaded inputs

The DI Series feature Definitive Technology's most advanced technologies such as BDSS drivers and pivoting Pure Aluminum dome tweeters for spectacular audio performance far beyond traditional flush-mount speakers. Definitive’s exclusive Balanced Dual Surround System (BDSS) driver technology permits these new flush mounts to deliver more bass output and dynamic range than larger drivers. For example, the 4-1/2" driver-based model has the bass and dynamics of a 5-1/4" traditional speaker, while the 5-1/4" performs like a traditional 6-1/2". Pure Aluminum dome tweeter featuring a specially shaped housing that avoids the diffraction distortions of traditional post mounted tweeters, and a sophisticated adjustable crossover network, the DI Series delivers the kind of lifelike sonic performance and broad even dispersion that you've come to expect from Definitive Technology.

4. Definitive Technology - DT Series 6.5" 2-Way In-Ceiling Speaker (Each) - Black

Aluminum tweeters; 6.5" polypropylene driver cone; Mylar capacitors; 0.6mm grille with slim bezel

This Definitive Technology DT Series DT 6.5STR in-ceiling speaker features a dual-function design that doubles as a single stereo speaker or part of a surround sound system. The slim grille and bezel enable seamless installation in your home.

5. Definitive Technology - DI Series 6-1/2" Round In-Ceiling Speaker (Each) - White

6.5" polypropylene driver cone; 1" aluminum tweeter; Mylar capacitors; thin 0.6mm grille

The DI Series feature Definitive Technology's most advanced technologies such as BDSS drivers and pivoting Pure Aluminum dome tweeters for spectacular audio performance far beyond traditional flush-mount speakers. Definitive’s exclusive Balanced Dual Surround System (BDSS) driver technology permits these new flush mounts to deliver more bass output and dynamic range than larger drivers. For example, the 4-1/2" driver-based model has the bass and dynamics of a 5-1/4" traditional speaker, while the 5-1/4" performs like a traditional 6-1/2". Pure Aluminum dome tweeter featuring a specially shaped housing that avoids the diffraction distortions of traditional post mounted tweeters, and a sophisticated adjustable crossover network, the DI Series delivers the kind of lifelike sonic performance and broad even dispersion that you've come to expect from Definitive Technology.

6. Definitive Technology - DT Series 6.5" 2-Way In-Ceiling Speaker (Each) - Black

6.5" polypropylene driver cone; 1" aluminum tweeter; Mylar capacitors; thin 0.6mm grille

This Definitive Technology DT Series DT 6.5R in-ceiling speaker features a 1" aluminum tweeter and polypropylene driver cone with rubber surround, so you can enjoy movies and music with rich, vibrant sound. The slim design enables seamless installation.

7. Definitive Technology - DT Series 8" 2-Way In-Ceiling Speaker (Each) - Black

1" aluminum tweeter; 8" polypropylene driver cone; Mylar capacitors; 0.6mm grille with slim bezel

This Definitive Technology DT Series DT 8R in-ceiling speaker combines a 1" aluminum tweeter with an 8" polypropylene driver cone to offer rich, detailed audio for all your favorite movies and music. The slim grille and bezel offer seamless installation.

8. Definitive Technology - DI Series 4-1/2" Round In-Ceiling Speaker (Each) - White

DEFINITIVE TECHNOLOGY Disappearing In-Wall Series 4-1/2" In-Wall/In-Ceiling Loudspeaker (Each): 4-1/2" BDSS mid/woofer; pivoting 3/4" aluminum-dome tweeter; adjustable crossover; heavy-duty, spring-loaded inputs

The DI Series feature Definitive Technology's most advanced technologies such as BDSS drivers and pivoting Pure Aluminum dome tweeters for spectacular audio performance far beyond traditional flush-mount speakers. Definitive’s exclusive Balanced Dual Surround System (BDSS) driver technology permits these new flush mounts to deliver more bass output and dynamic range than larger drivers. For example, the 4-1/2" driver-based model has the bass and dynamics of a 5-1/4" traditional speaker, while the 5-1/4" performs like a traditional 6-1/2". Pure Aluminum dome tweeter featuring a specially shaped housing that avoids the diffraction distortions of traditional post mounted tweeters, and a sophisticated adjustable crossover network, the DI Series delivers the kind of lifelike sonic performance and broad even dispersion that you've come to expect from Definitive Technology.

9. Definitive Technology - High-Performance 2-way Height Speaker Module - Black

DEFINITIVE TECHNOLOGY Disappearing In-Wall Series 4-1/2" In-Wall/In-Ceiling Loudspeaker (Each): 4-1/2" BDSS mid/woofer; pivoting 3/4" aluminum-dome tweeter; adjustable crossover; heavy-duty, spring-loaded inputs

Give added dimension to your sound system with these Definitive Technology height enhancement speaker modules. Fill your room with expansive sound, and add on Dolby Atmos and DTS:X to reproduce audio as media designers intended. Listen to the complexities of live recordings and movie soundtracks with these Definitive Technology height enhancement speakers.

10. Definitive Technology - Demand Series D5C Center-Channel Speaker - GLOSS WHITE

145W peak power handling; 4" cellular-reinforced, foamed-mica woofer; two 1" polyester wide-dispersion super tweeters; crossover; wood bass reflex enclosure; cloth grille

Definitive Technology Demand Series D5c high-performance center channel delivers full-range, room-filling sound, and precise imaging with deep, punchy bass in a modern, elegant design. Featuring two BDSS drivers and a 1” annealed aluminum dome tweeter with 20/20 Wave Alignment Lens, the speaker delivers an unrivaled sweet spot and smooth high-frequency reproduction for the most technically advanced audio experience. A clean bead-blasted finish provides a contemporary look and feel. Perfectly voice matched to complement the Demand Series towers and bookshelf speakers. Build a sophisticated home theater system by pairing with D15 or D17 tower speakers, and D7 or D9 bookshelf speakers for lifelike, 3D surround sound that is audible from anywhere in the room.