Definitive Technology Dymension DM70 is a 3-way Passive Radiator Floor-standing speaker with Bipolar Driver Array by Definitive Technology. It was released in February 2023. It features a 1" 2 x Hard-Dome Tweeter, 4 x 5.25" Midrange and 1 x 10" Polypropelene Woofer. Dymension DM70 also employs 2 x 10-inch passive radiators. In addition, the speaker has a 180-watts (Class D Amp) built-in Sub-woofer. The speaker has a frequency range of 30-23 kHz and a sensitivity of 90 dB. Definitive Dymension DM70 has an MSRP of 3998$ per pair.
Dymension DM70 also gives the user optional Dolby Atmos capability by equipping the unit with upward-firing Dolby Atmos drivers.
Room Size Suitability
The size of the room where you plan to use the Definitive Dymension DM70 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-field | Are you nuts? |
| Small Room | Poor |
| Mid-size Room | Average |
| Large Room | Good |
| Very Large Room | Good |
(* 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 Dymension DM70 Lifestyle
Definitive Technology's Dymension Series of Loudspeakers
Dymension DM70 is a member of Definitive Technology's Dymension series of Passive speakers. The Dymension range is Definitive Technology's flagship tower and bookshelf line with balanced-array drivers. Below you can see the main specs of these speakers.
See all 8 Definitive Technology Dymension models compared »
Definitive Technology Dymension Series Speakers
Definitive Technology Dymension Series Speakers
Frequency Response of the Definitive Dymension DM70 Speaker
Definitive Dymension DM70 has a Frequency response range of 30-23 kHz and Power Range of 50-300 watts. With a minimum frequency of 30 Hz, Dymension DM70 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 Dymension DM70's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
Definitive Dymension DM70
Thinking about a subwoofer for the Definitive Dymension DM70?
Among the speakers in our database with a max MSRP price of 5000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the Definitive Dymension DM70's 30Hz:
Impedance and Sensitivity
Definitive Dymension DM70's nominal impedance level is
4 ohms and has a sensitivity of
90 dB.
Sensitivity
Floor-standing Speakers
Definitive Dymension DM70
Nominal Impedance of the 4 Ohms means that the Definitive Technology Dymension DM70 is a difficult to drive speaker from nominal Impedance perspective, make sure that you choose an amplifier than can provide 4 Ohms for this speaker.
Many AVRs (audio/video receiver) in the market may have difficulty when the speakers dip below the 4 Ohms levels (this may cause clipping or even physical damage), so we recommend to not pair the Definitive Technology Dymension DM70 with an AVR but use an Integrated Amplifier instead.
Sensitivity
90dB of the Definitive Technology Dymension DM70 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Definitive Dymension DM70 plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
What amplifier does the Definitive Dymension DM70 need?
At normal listening levels in a medium room, about
15–240 W
per channel into 4 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $5,000, or every amplifier we cover.
Input Type
Dymension DM70 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
Definitive Dymension DM70 Back View
Definitive Dymension DM70 Connections
Definitive Dymension DM70 External Dimensions and Weight
Definitive Dymension DM70 has external dimensions of (Height x Width x Depth) 47.4 x 11.3 x 16.0 in (1204 x 287 x 407 mm ).
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 Dymension DM70 is approximately 1168.1cm2 / 181.1inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Definitive Dymension DM70 weighs 33.60kg / 73.9lbs per piece. Here is a comparison of how Dymension DM70's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Definitive Dymension DM70
Weight
Floor-standing Speakers under $5000
Definitive Dymension DM70
Definitive Dymension DM70 - Top View
How does the Definitive Dymension DM70 compare to the Definitive Technology Dymension DM80?
One of the natural alternative to the Definitive Dymension DM70 is the Dymension DM80 which is located one step higher in Definitive Technology's Passive Floor-standing selection.
Check the Detailed Comparison of Definitive Dymension DM70 vs Dymension DM80 for more details.
Cabinet type and Materials
Definitive Dymension DM70 has a
Passive Radiator type cabinet.
Speaker Feet
Definitive Dymension DM70 comes with 4 Adjustable hard floor glides, 4 Adjustable carpet spikes which you can use to secure your loudspeaker on the surface that you are putting on.
It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
Available colors
Definitive Dymension DM70 is available in Black.
Does the Definitive Dymension DM70 come with a Grille?
Dymension DM70 comes with fixed grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.
What's in the Box of Definitive Dymension DM70?
Here are the items that are included inside the box of Dymension DM70:
- 4 Adjustable hard floor glides
- 4 Adjustable carpet spikes
Recommended Accessories
Here is a list of accessories that we think you may need for the Definitive Technology Dymension DM70.
Official Product Page
Official manufacturer's product page for the Definitive Technology Dymension DM70 speaker can be found below:
Official Product Page for Definitive Dymension DM70
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.