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  1. Home
  2. Definitive Technology Speakers
  3. Passive In-wall Speakers
  4. Definitive Technology DT6.5LCR
Definitive Technology DT6.5LCR Review
Definitive DT6.5LCR - Front View

Compare To

Main Features

  • 1" Hard-Dome Tweeter
  • 6.5" Polypropylene Woofer
  • 28-30kHz Frequency Response
  • 89 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: 10-100 watts
  • Dimensions(HxWxD): 12.7500"x7.2500"x3.3750" / 324.0 x 185.0 x 86.0mm
MSRP: $229 (list price)
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Definitive DT6.5LCR Review
Definitive DT6.5LCR Definitive DT6.5LCR
Check price atAmazon›

Made by Definitive Technology · United States · since 1990 · sold through dealers

Definitive Technology DT6.5LCR is a 2-way Passive In-wall In-wall speaker by Definitive Technology. It was released in 2016. It features a 1" Hard-Dome Tweeter and 1 x 6.5" Polypropylene Woofer. The speaker has a frequency range of 28-30kHz and a sensitivity of 89 dB. Definitive DT6.5LCR has an MSRP of 458$ per pair.

Room Size Suitability

The size of the room where you plan to use the Definitive DT6.5LCR is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:

Listening Environment* Suitability
Near-fieldAverage
Small RoomGood
Mid-size RoomAverage
Large RoomPoor
Very Large RoomBad

(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2. Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)

Definitive Technology's DT Series of Loudspeakers

DT6.5LCR is a member of Definitive Technology's DT series of Passive speakers. The DT range is Definitive Technology's affordable custom-install speaker line. Below you can see the main specs of these speakers.

Definitive Technology DT Series Speakers
Model Frequency SensitivityImpedance Woofer
Definitive DT8LCR
Compare
27-30k Hz 89 dB8Ω 1 x 8"
Definitive DT6.5LCR
28-30k Hz 89 dB8Ω 1 x 6.5"

Frequency Response of the Definitive DT6.5LCR Speaker

Definitive DT6.5LCR has a Frequency response range of 28-30kHz and Power Range of 10-100 watts. With a minimum frequency of 28 Hz, DT6.5LCR delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.

Here we have a comparison of how DT6.5LCR's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
In-wall Speakers
Definitive DT6.5LCR
Min
Average
Median
Thinking about a subwoofer for the Definitive DT6.5LCR?
  • Work out the crossover setting - it follows from this speaker's 28 Hz low end
  • Powered subwoofers under $500 - a similar price range to these speakers
  • Every powered subwoofer we cover, whatever the budget

Impedance and Sensitivity

Definitive DT6.5LCR's nominal impedance level is 8 ohms and has a sensitivity of 89 dB.

Sensitivity
In-wall Speakers
Definitive DT6.5LCR
Min
Average
Median

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Definitive Technology DT6.5LCR is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

89dB of the Definitive Technology DT6.5LCR is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Definitive DT6.5LCR plays in your room →

What amplifier does the Definitive DT6.5LCR need?

At normal listening levels in a medium room, about 9.5–100 W per channel into 8 ohms. Set your own conditions and we will rank every amplifier we cover.

We check power, impedance safety and current delivery - not just watts.

Prefer to browse? Integrated amplifiers under $500, or every amplifier we cover.

Input Type

DT6.5LCR features Spring post type connectors. Bi-amping and Bi-wiring are not possible.

Work out what gauge speaker cable this run needs →

Definitive DT6.5LCR External Dimensions and Weight

Definitive DT6.5LCR has external dimensions of (Height x Width x Depth) 12.7500-inch x 7.2500-inch x 3.3750-inch (324.0 x 185.0 x 86.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of Definitive DT6.5LCR is approximately 159.1cm2 / 24.7inch2.

To get a better perspective on the real life size of Definitive DT6.5LCR, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Definitive DT6.5LCR Real Life Body Size Comparison
Definitive DT6.5LCR Speaker Size Compared to a Compact Disc

Find speakers that fit your shelf or alcove →

Cabinet type and Materials

Definitive DT6.5LCR has a In-wall type cabinet.

What's in the Box of Definitive DT6.5LCR?

Here are the items that are included inside the box of DT6.5LCR:
  • In-wall loudspeaker
  • Grille
  • Mounting template
  • Carboard paint shield
  • Owners Guide
  • Online Product Registration Information
  • Important Installation Instructions

Recommended Accessories

Here is a list of accessories that we think you may need for the Definitive Technology DT6.5LCR.

  • Speaker Cable and Connectors
    • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
    • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
    • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Warranty

5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

Definitive Technology DT6.5LCR Alternatives in Passive In-wall Speakers
Model Type Sensitivity Impedance Frequency
Focal 100 IW LCR5
Compare
2-way 90.5 dB 8 ohms 55-23kHz
JBL Stage 260W
Compare
2-way 87 dB 8 ohms 50-25kHz
JBL Studio 2 55IW
Compare
2-way 88 dB 8 ohms 40-20kHz
JBL Stage 280W
Compare
2-way 90 dB 8 ohms 42-25kHz
Polk Audio RC85i
Compare
2-way 90 dB 8 ohms 50-20kHz
Focal 300 IW6 LCR
Compare
3-way 92 dB 8 ohms 40-28kHz
B&W CWM7.3 S2
Compare
3-way 90 dB 8 ohms 48-28kHz
Klipsch R-5650-S II
Compare
2-way 92 dB 8 ohms 60-23kHz
Frequently Asked Questions about Definitive Technology DT6.5LCR

What amplifier do you need for the Definitive DT6.5LCR?

Definitive Technology rates the Definitive DT6.5LCR for 10-100 watts of amplifier power. It is an 8-ohm speaker, the usual nominal load, so almost any amplifier or receiver can drive it.

Is the Definitive DT6.5LCR easy to drive?

The Definitive DT6.5LCR has a sensitivity of 89 dB. That is about average for a home speaker, so it is neither hard nor especially easy to drive.

Does the Definitive DT6.5LCR need a subwoofer?

The Definitive DT6.5LCR reaches down to 28Hz (full range 28-30kHz). That is genuinely deep bass - a subwoofer is optional unless you want home-theatre effects below that.

What drivers does the Definitive DT6.5LCR use?

The Definitive DT6.5LCR is a 2-way design using a 1" Hard-Dome tweeter and a 6.5" Polypropylene woofer.

Is the Definitive DT6.5LCR sealed or ported?

The Definitive DT6.5LCR uses a In-wall enclosure.

Can the Definitive DT6.5LCR be bi-wired or bi-amped?

No. The Definitive DT6.5LCR has a single pair of terminals, so bi-wiring and bi-amping are not possible. It uses Spring post terminals.

How is the Definitive DT6.5LCR installed?

The Definitive DT6.5LCR is an in-wall model: it mounts flush into the wall cavity rather than standing in the room, so it needs a cut-out and takes up no floor space.

How much does the Definitive DT6.5LCR cost?

The Definitive DT6.5LCR has a manufacturer's list price (MSRP) of $458 per pair.


Definitive DT6.5LCR Detailed Specifications

General
BrandDefinitive Technology
Full Model NameDefinitive Technology DT6.5LCR
Speaker Type2-way In-wall
Power Range10-100 watts
Sensitivity89 dB
Impedance8 ohms
Frequency Response28-30kHz
Release Date2016
DRIVERS
Woofer Size6.5-inch
Woofer CompositionPolypropylene
Woofer SurroundRubber
Tweeter Size1-inch
Tweeter TypeHard-Dome
Aimable TweeterYes

CONNECTIONS
Connector TypeSpring post
Biamp InputsNo
PHYSICAL SPECS
Height324.0mm ( 12.7500-inch)
Width185.0mm ( 7.2500-inch)
Depth86.0mm ( 3.3750-inch)
Height324.0mm ( 12.7500-inch)
Weight—
EnclosureIn-wall
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty5 Years
Labor Warranty5 Years
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