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  4. Definitive Technology IWSub 10/10
Definitive Technology IWSub 10/10 Subwoofer Review
Definitive IWSub 1010 - Front View

Compare To

Main Features

  • 10" Woofer
  • 1 x 10-inch Passive Radiators
  • 16-200Hz Frequency Response
  • Weight: 23.00 lbs / 10.43kg
  • Dimensions (H x W x D): 19.8750" x 14.3750" x 3.8125"
MSRP: $999 (list price)
Check price atAmazon›
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Definitive IWSub 1010 Subwoofer Review
Definitive IWSub 1010 Definitive IWSub 101...
Check price atAmazon›

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

IWSub 1010 is a In-wall type Passive In-wall by Definitive Technology with a frequency range of 16-200Hz. It was released in 2016. It features 1 x 10" Woofer. IWSub 1010 also employs 1 x 10-inch passive radiators.


**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response

Where should the crossover go? →  ·  What will your room do to this bass? →

Definitive IWSub 1010 has a Frequency response range of 16-200Hz. Thanks to its 1 x 10-inch driver, at 16Hz the IWSub 1010 can generate bass levels that is even below 20Hz which is considered to be the bottom limit of Full Range sound (20Hz -20kHz) that human can hear.

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
Passive In-walls
Definitive IWSub 1010
Min
Average
Max
High Frequency
In-wall Speakers
Definitive IWSub 1010
Min
Average
Max

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.

Find speakers that fit your shelf or alcove →

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 subwoofer
  • Grille (attached)
  • 7 Self-adhesive foam gaskets
  • 6 Screws
  • Wall-template
  • Paint mask
  • Owners Manual
  • Online Product Registration card

Recommended Accessories

Here is a list of accessories that we think you may need for the Definitive Technology IWSub 10/10.

  • 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 IWSub 1010 Detailed Specifications

General
BrandDefinitive Technology
Full Model NameDefinitive Technology IWSub 10/10
TypePassive In-wall
Release Date2016
Frequency Response16-200Hz
Enclosure TypeIn-wall
EnclosureIn-wall
Amplifier & Driver
Woofer10-inch
Passive Radiator1 x 10-inch

Controls & Connections
Physical
Dimensions (HxWxD)19.8750" x 14.3750" x 3.8125" (505.0 x 366.0 x 97.0mm)
Weight10.43 kg (23 lbs)
Parts Warranty5 Years
Labor Warranty5 Years
Definitive Technology IWSub 10/10 Alternatives in Passive In-wall Speakers
Model Frequency Woofer Amp Power Dimensions
Klipsch R-5800-W II
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Klipsch R-5502-W II
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46-20k Hz 5.25" — 16.3750-inch x 6.5000-inch x 3.3750-inch"
JBL Studio 6 88LCR
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43-20k Hz 8" — 20.4375-inch x 8.7500-inch x 3.7500-inch"
B&W CWM7.3 S2
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48-28k Hz 6" — 28.0000-inch x 9.9375-inch x 4.0625-inch"
MartinLogan Motion XT CI XTW6-LCR
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44-25k Hz 6.5" — 27.0000-inch x 6.6250-inch x 3.5625-inch"
JBL Studio 6 Theater
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JBL Stage 280W
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42-25k Hz 8" — 14.6875-inch x 9.3750-inch x 3.8750-inch"
Focal 300 IW6 LCR
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40-28k Hz 6.5" — 22.5000-inch x 7.5000-inch x 4.0000-inch"
B&W CWM7.4 S2
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45-28k Hz 4" — 23.5000-inch x 5.8125-inch x 3.6875-inch"
Definitive UIW RLS III
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24-30k Hz 5.25" — 23.7500-inch x 5.8750-inch x 3.8750-inch"
Focal 100 IW LCR5
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55-23k Hz 5.125" — 16.3130-inch x 5.8130-inch x 3.2500-inch"
Klipsch R-5650-S II
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60-23k Hz 6.5" — 13.0000-inch x 8.0000-inch x 3.6875-inch"
JBL Stage 260W
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50-25k Hz 6.5" — 12.2500-inch x 7.2500-inch x 3.5625-inch"
B&W CWM663
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45-50k Hz 6" — 11.0000-inch x 7.2500-inch x 3.7500-inch"
JBL Studio 2 55IW
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40-20k Hz 5.25" — 14.1250-inch x 6.4375-inch x 3.3750-inch"
Polk Audio RC85i
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50-20k Hz 8" — 12.7500-inch x 8.6875-inch x 3.5000-inch"
Frequently Asked Questions about Definitive Technology IWSub 10/10

How low can the Definitive IWSub 1010 go?

The Definitive IWSub 1010 has a frequency response of 16-200Hz. It digs below 20Hz, the bottom limit of human hearing, so you get deep, physical bass you feel as much as hear.

Is the Definitive IWSub 1010 sealed or ported?

The Definitive IWSub 1010 uses a In-wall enclosure. Ported (bass-reflex) designs use a tuned vent to move more air, giving deeper, louder output for the same driver, which suits home theater.

What driver does the Definitive IWSub 1010 use?

The Definitive IWSub 1010 has a 10-inch driver. It is paired with 1 x 10-inch passive radiators to reinforce the low end.

How big and heavy is the Definitive IWSub 1010?

The Definitive IWSub 1010 weighs 10.43kg / 22.9lbs and measures 19.8750" x 14.3750" x 3.8125" (HxWxD).

How much does the Definitive IWSub 1010 cost?

The Definitive IWSub 1010 has a manufacturer's list price (MSRP) of $999.

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