Definitive Technology Dymension DM20 is a 2-way Passive Acoustic Suspension Center Channel speaker by Definitive Technology. It was released in February 2023. Center channel speaker is an important component of a home theater system set-up as it delivers the listener significant part of the on-screen dialogue from your television. It features a 1" Hard-Dome Tweeter and 4 x 4.5" Polypropelene Woofer. The speaker has a frequency range of 91-23 kHz and a sensitivity of 89 dB. Definitive Dymension DM20 has an MSRP of 799$.
Room Size Suitability
The size of the room where you plan to use the Definitive Dymension DM20 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 | 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.)
Definitive Dymension DM20 Speaker Structure
Definitive Dymension DM20 Lifestyle
Definitive Technology's Dymension Series of Loudspeakers
Dymension DM20 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 DM20 Speaker
Definitive Dymension DM20 has a Frequency response range of 91-23 kHz and Power Range of 50-200 watts.
Here we have a comparison of how Dymension DM20's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Center Channel Speakers
Definitive Dymension DM20
Impedance and Sensitivity
Definitive Dymension DM20's nominal impedance level is
4 ohms and has a sensitivity of
89 dB.
Sensitivity
Center Channel Speakers
Definitive Dymension DM20
Nominal Impedance of the 4 Ohms means that the Definitive Technology Dymension DM20 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 DM20 with an AVR but use an Integrated Amplifier instead.
Sensitivity
89dB of the Definitive Technology Dymension DM20 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 DM20 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 DM20 need?
At normal listening levels in a medium room, about
19–200 W
per channel into 4 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $1,000, or every amplifier we cover.
Input Type
Dymension DM20 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
Definitive Dymension DM20 Back View
Definitive Dymension DM20 External Dimensions and Weight
Definitive Dymension DM20 has external dimensions of (Height x Width x Depth) 5.3 x 30.5 x 6.5 in (134 x 775 x 166 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 DM20 is approximately 1286.5cm2 / 199.4inch2.
Find speakers that fit your shelf or alcove →
WeightThe Definitive Dymension DM20 weighs 10.00kg / 22lbs per piece. Here is a comparison of how Dymension DM20's weight compares with the average, max and min weights in its class.
Weight
All Center Channel Speakers
Definitive Dymension DM20
Weight
Center Channel Speakers under $1000
Definitive Dymension DM20
How does the Definitive Dymension DM20 compare to the Definitive Technology Dymension DM30?
One of the natural alternative to the Definitive Dymension DM20 is the Dymension DM30 which is located one step higher in Definitive Technology's Passive Center Channel selection.
Check the Detailed Comparison of Definitive Dymension DM20 vs Dymension DM30 for more details.
Cabinet type and Materials
Definitive Dymension DM20 has a
Acoustic Suspension type cabinet. Acoustic Suspension loudspeakers aka Sealed speakers have no openings such as ports or slots.. They can be designed smaller, the bass is more accurate and tighter compared to ported designs but doesn't go as low on the lower end in general.
Definitive Dymension DM20 - Side View
Available colors
Definitive Dymension DM20 is available in Black.
Does the Definitive Dymension DM20 come with a Grille?
Dymension DM20 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.
Recommended Accessories
Here is a list of accessories that we think you may need for the Definitive Technology Dymension DM20.
Official Product Page
Official manufacturer's product page for the Definitive Technology Dymension DM20 speaker can be found below:
Official Product Page for Definitive Dymension DM20
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.