Definitive Technology DI 6.5S is a 2-way Passive In-wall In-wall speaker by Definitive Technology. It features a 1" Hard-Dome Tweeter and 1 x 6.5" Polymer Woofer. The speaker has a frequency range of 26-30kHz and a sensitivity of 90 dB. Definitive DI 6.5S has an MSRP of 698$ per pair.
What size of room is the Definitive DI 6.5S speaker good for?
The size of the room in which you are planning to use the Definitive DI 6.5S is an important decision factor. Here we have evaluated its suitability to various sizes of environments considering its size and max power parameters:
Listening Environment* |
Suitability |
Near-field | Poor |
Small Room | Average |
Mid-size Room | Good |
Large Room | Average |
Very Large Room | Poor |
(* 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.)
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.
What is the Frequency Response of the Definitive DI 6.5S speaker?
Definitive DI 6.5S has a Frequency response range of 26-30kHz at ±3dB and Power Range of 10-200 watts. At a minimum frequency of 26 Hz, DI 6.5S will provide a deep bass that will probably satisfy majority of listeners, especially for music. Movie lovers and music listeners who like to experience a full range response will still benefit from the use of a subwooofer though.
To focus on the subwoofers that are in a similar price range with Definitive DI 6.5S, check out the Powered Subwoofers under $750. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how DI 6.5S's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
In-wall Speakers
High Frequency
In-wall Speakers
What are the Impedance and Sensitivity of the Definitive DI 6.5S? Is it an easy-to-drive speaker?
Definitive DI 6.5S's nominal impedance level is
8 ohms and has a sensitivity of
90 dB.
Sensitivity
In-wall Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Definitive Technology DI 6.5S is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
90dB of Definitive Technology DI 6.5S is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.
Check the amplifiers that are in a similar price range to the Definitive DI 6.5S:
Input Type
DI 6.5S features Spring clip type connectors. Bi-amping and Bi-wiring are not possible.
Definitive DI 6.5S External Dimensions and Weight
Definitive DI 6.5S has external dimensions of (Height x Width x Depth) 7.2500-inch x 7.2500-inch x 4.0625-inch (185.0 x 185.0 x 104.0mm ).
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 DI 6.5S is approximately 192.4cm2 / 29.8inch2.
Cabinet type and Materials
Definitive DI 6.5S has a
In-wall type cabinet.
What's in the Box of Definitive DI 6.5S?
Here are the items that are included inside the box of DI 6.5S:
6.5
Recommended Accessories
Here is a list of accessories that we think you may need for the Definitive Technology DI 6.5S.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.