Definitive Technology IWSub 10/10 is a 1-way Passive In-wall In-wall speaker by Definitive Technology. It features a Tweeter and 1 x 10" Not given Woofer. IWSub 1010 also employs 1 x 10-inch passive radiators. The speaker has a frequency range of 16-200Hz and a sensitivity of 0 dB. Definitive IWSub 1010 has an MSRP of 999$ per pair.
Room Size Suitability
The size of the room where you plan to use the Definitive IWSub 1010 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 | Poor |
| Mid-size Room | Good |
| Large Room | Good |
| Very Large Room | Average |
(* 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.)
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Frequency Response of the Definitive IWSub 1010 Speaker
Definitive IWSub 1010 has a Frequency response range of 16-200Hz at ±3dB and Power Range of up to 275 watts. With a minimum frequency of 16 Hz, IWSub 1010 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.
To focus on the subwoofers that are in a similar price range with Definitive IWSub 1010, check out the Powered Subwoofers under $1000. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how IWSub 1010'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
On the treble side, with its upper limit of 200 kHz, Definitive IWSub 1010 has the highest frequency level among the In-wall speakers in our database.
Impedance and Sensitivity
Definitive IWSub 1010's nominal impedance level is
4 ohms and has a sensitivity of
0 dB.
Sensitivity
In-wall Speakers
Nominal Impedance of the 4 Ohms means that the Definitive Technology IWSub 10/10 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 IWSub 10/10 with an AVR but use an Integrated Amplifier instead.
Sensitivity
With a sensitivity level of only 0 dB, Definitive Technology IWSub 10/10 is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps.
Check the amplifiers that are in a similar price range to the Definitive IWSub 1010:
Input Type
IWSub 1010 features Spring post type connectors. Bi-amping and Bi-wiring are not possible.
Definitive IWSub 1010 External Dimensions and Weight
Definitive IWSub 1010 has external dimensions of (Height x Width x Depth) 19.8750-inch x 14.3750-inch x 3.8125-inch (505.0 x 366.0 x 97.0mm ).
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 IWSub 1010 is approximately 355.0cm2 / 55.0inch2.
How does the Definitive IWSub 1010 compare to the Definitive Technology IW Sub Reference?
One of the natural alternative to the Definitive IWSub 1010 is the IW Sub Reference which is located one step higher in Definitive Technology's Passive In-wall selection.
Check the Detailed Comparison of Definitive IWSub 1010 vs IW Sub Reference for more details.
Cabinet type and Materials
Definitive IWSub 1010 has a
In-wall type cabinet.
What's in the Box of Definitive IWSub 1010?
Here are the items that are included inside the box of IWSub 1010:
In-wall subwooferGrille (attached)7 Self-adhesive foam gaskets6 ScrewsWall-templatePaint maskOwners ManualOnline Product Registration card
Recommended Accessories
Here is a list of accessories that we think you may need for the Definitive Technology IWSub 10/10.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.