Definitive Technology IWSub Reference
The IWSub Reference is a completely self enclosed in-wall subwoofer for use in whole house distributed music or “stealth” home theater installations. It’s a deep bass powerhouse that will disappear in your room.
It has a non-resonant sealed medite (a dense wood product) enclosure and a paintable bezel and grille. Inside the completely self-enclosed in-wall sub is the technical brainpower derived from Definitive’s award winning SuperCube free-standing subwoofers.
It includes a special shallow-depth, long excursion active 13" driver pressure-coupled to a 13" Ultra Low Bass radiator for a total bass radiating surface area of over 265 square inches—more than an 18 inch woofer but with greater speed and control. Combined, these features result in tight musical excellence.
Buying from an authorized dealer has many benefits such as valid warranty coverage on your purchase and peace of mind.
Features
- Fully enclosed design ensures perfect results in any wall
- One 13 inch active subwoofer driver pressure coupled to one 13 inch Ultra Low Bass radiator
- Use with Definitive SubAmp 600 only (sold and packaged separately)
Specifications
- Outer Flange Dimensions | (Metric) :15-1/2” W x 26-3/16” H | 39.4 x 66.5 cm
- Cut Out Dimensions | (Metric) :14-3/8” W x 25-1/8” H | 36.5 x 63.8 cm
- Depth from Flange | Metric :4” | 10.2 cm
- Driver Complement :One 13" Long-Excursion Woofer coupled to a 10" infrasonic Radiator
- Frequency Response :14 Hz – 200 Hz
- Impedance :4 ohms
- Required Amplifier :SubAmp 600 (available separately)
- Inputs :One pair of gold plated spring loaded posts
- Enclosure :Sealed Medite
- Available Finishes :Paintable White
- Accessories :Paint mask; Cut-out template; Paintable removable all metal grill
- Packaging :One to a carton
- Weight | (Metric) :45 lbs | 20.4 kg
- Warranty :5 Years
About Definitive Technology
Definitive Technology has been committed to building superior sounding home audio and home theater loudspeakers since 1990, when the company was founded by Sandy Gross, Don Givogue and Ed Blais—lifelong audiophiles and experts in speaker design, acoustics and marketing. Definitive Technology loudspeakers are among the most positively reviewed and most often honored high performance loudspeakers on the market as well as being the best-selling premium home loudspeakers in the US.
Since its inception, Definitive has won an astounding number of awards and over-the-top enthusiastic reviews from Consumer Electronics industry associations as well as leading audio/video print magazines and websites. Frankly there are too many to list them all here but the photo on this page gets the point across.
Most recently a speaker system consisting of Definitive Technology Mythos STS SuperTowers, Mythos Nine center and Mythos Gem surrounds was awarded Sound & Vision magazine’s “Audio Product of the Year;” not merely “Speaker of the Year” but “Audio Product of the Year.” The system also won SoundStage!.com’s 2008 Reviewer’s Choice Award for Aesthetics and Sound. Home Theater magazine called the STS system “Crisp, Lush, Focused” and tagged it with a coveted Top Pick award. The STS also took home two Innovations Design and Engineering awards at CES 2009, one for High Performance Audio and the other for Home Theater Speakers. One industry award is an honor, five is a sweep.
View all Definitive Technology items
Manuals and Brochures
Manual Information Examples

... it using another ampli?er or
receiver. BECAUSE OF THIS, THE
IWSUB Reference WARRANTY IS VOIDED IF AN
AMPLIFIER OR
RECEIVER OTHER THAN THE
DEFINITIVE TECHNOLOGY SUBAMP 600 IS USED TO DRIVE THIS
SUBWOOFER.
...

... WITHOUT CONTACTING
DEFINITIVE TECHNOLOGY FIRST TO OBTAIN RETURN
AUTHORIZATION. De?nitive
Technology 11433 Cronridge Drive Suite K
Owings Mills,
Maryland,
USA 21117 410-363-7148 Email De?nitive ...

Unpacking Your
IWSub Reference and
SubAmp 600
• Please inspect your new ... that you consult with the Custom
Installation Specialist at your De?nitive
Technology dealer regarding your ... local ?re and building codes. •
Speaker wire must be run inside your...

...purchase of the remarkable De?nitive
Technology in-
wall subwoofer IWSub Reference and its matching De?nitive
Technology SubAmp 600. This extraordinary In-
Wall Subwoofer incorporates De?nitive
Technology's exclusive ...

... and begin cutting. [Figure 2]
Figure 3
Figure 4
5. Before
installing the
speaker in the hole, apply the four long strips of ... three shorter strips of gasket material to pad the rear of the
speaker against the back of the exposed
wall. [Figure 4]
5...

... date of the original purchase from a De?nitive
Technology Authorized Dealer. However, this
warranty will automatically terminate prior to ...
dealers or outlets other than De?nitive
Technology Authorized Dealers. This
Warranty is in lieu of all other ...

...One, Two or Three. 2. Use
Speaker Wire to connect the top set of Sub Out Jacks on the
SubAmp 600 to the terminals on one
IWSub Reference. 3. Use
Speaker Wire to connect the bottom set of Sub Out Jacks on the
SubAmp 600 to the terminals ...

... of the
speakers to protect the drivers and baf?es while painting [Figure 8]. You can do this while the
speaker is already
installed in the
wall (if, for instance, you're repainting the room). If you do ...

... be set to "Auto" in order for the
SubAmp 600 to operate properly. • Many ampli?ers and
receivers have sophisticated internal protection ... If you are still having problems, please contact your
authorized De?nitive
Technology dealer for assistance.
11

... should only be used on carts or stands recommended by the manufacturer.
Wall & Ceiling
Mounting-The device should be
mounted on a
wall or ceiling only as recommended by the manufacturer. 8. Ventilation-The device should always be
located in ...

... Your
SubAmp 600
Recommended Hookup Method One
1. Use a Low (
Line) Level RCA connection from your
receiver's LFE Out in to the LFE Input of the
SubAmp 600. 2. Use
Speaker Wire to connect the top set of Sub Out Jacks on...

... of the
SubAmp 600. This connection is "summed" within the
SubAmp 600. 2. Use
Speaker Wire to connect the top set of Sub Out .... 1. Connect
Speaker Wire from your
receiver's Left and Right outputs to the
Speaker Level Inputs on the
SubAmp 600. 2. Use ...

... extra control over your
subwoofer settings.
Hookup Method Three To
Speakers
From
Receiver
To
Subwoofer
Making Adjustments to Your
SubAmp 600
The rear panel of your
SubAmp 600 features a Remote Mini Plug ...
IWSub Reference &
SubAmp 600 Speci?cations
IWSub Reference
Outer Dimensions: Cut-...
SubAmp 600 14 Hz - 200 Hz 4 ohms One 13" long-excursion woofer ..." H x 171/16" W x 95/8" D
When
installing the
SubAmp 600 in either professional
audio racks or in AVrack ...
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