IW Sub Reference is a In-wall type Passive In-wall by Definitive Technology with a frequency range of 14-200Hz. It was released in 2016. It features 1 x 13" Woofer. IW Sub Reference also employs 1 x 13-inch passive radiators.
Frequency Response
Where should the crossover go? → · What will your room do to this bass? →
Definitive IW Sub Reference has a Frequency response range of 14-200Hz. Thanks to its 1 x 13-inch driver, at 14Hz the IW Sub Reference 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 IW Sub Reference'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 IW Sub Reference
High Frequency
In-wall Speakers
Definitive IW Sub Reference
As you can see from the chart, Definitive IW Sub Reference with its 14 Hz features the lowest Low Frequency level among the In-wall speakers in our database, promising a very good bass range.
Definitive IW Sub Reference External Dimensions and Weight
Definitive IW Sub Reference has external dimensions of (Height x Width x Depth) 25.1250-inch x 14.3750-inch x 4.0000-inch (639.0 x 366.0 x 102.0mm ).
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 IW Sub Reference is approximately 373.3cm2 / 57.9inch2.
Millimetres are hard to picture, so here is the Definitive IW Sub Reference drawn to scale next to the Definitive IWSub 1010, the subwoofer our readers compare it with most often.
Size, drawn to scale
Both subwoofers and both views share one scale, so everything here is directly comparable. Hover a box for its dimensions.
One scale for both, standing on the same floor and pushed back to the same wall, so the bigger one visibly takes more of the room.
Near-identical footprints. Definitive IW Sub Reference is 134mm taller.
Full comparison: Definitive IW Sub Reference vs Definitive IWSub 1010 ›
Find speakers that fit your shelf or alcove →
Cabinet type and Materials
Definitive IW Sub Reference has a
In-wall type cabinet.
What's in the Box of Definitive IW Sub Reference?
Here are the items that are included inside the box of IW Sub Reference:
- In-wall subwoofer
- Grille (attached)
- 4 Long self-adhesive foam gaskets
- 3 Short self-adhesive foam gaskets
- 8 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 IW Sub Reference.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.
| General |
| Brand | Definitive Technology |
| Full Model Name | Definitive Technology IW Sub Reference |
| Type | Passive In-wall |
| Release Date | 2016 |
| Frequency Response | 14-200Hz |
| Enclosure Type | In-wall |
| Enclosure | In-wall |
Amplifier & Driver |
| Woofer | 13-inch |
| Passive Radiator | 1 x 13-inch |
| Controls & Connections |
Physical |
| Dimensions (HxWxD) | 25.1250" x 14.3750" x 4.0000" (639.0 x 366.0 x 102.0mm) |
| Weight | 11.79 kg (26 lbs) |
| Parts Warranty | 5 Years |
| Labor Warranty | 5 Years |