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Definitive Technology® IW Sub 10/10 Fully-Enclosed In-Wall Subwoofer

Model #: IW SUB 10/10
Definitive Technology
At a Glance
IW Sub 10/10 Fully-Enclosed In-Wall Subwoofer features 10” in-wall subwoofer with integral sealed enclosure, fits standard 16” on-center stud-bay. (1) 10” woofer and (1) 10” sub radiator.
Available in Store Only
$999.00Save $NaN

Get to know this product.

Reach new depths with the IWSub 10/10 subwoofer. Featuring the precision technology of SuperCube free-standing subwoofers, the IWSub 10/10 produces musically accurate low end while vanishing into your walls. Together with the SubAmp 600, the audio expression is second to none.

  • High impact bass comes to life without using any floor space
  • Perfect results install in any wall with the fully self-enclosed design
  • Dynamic lows resonate from a 10" active subwoofer driver and 10" ultra low bass radiator
  • For use exclusively with Definitive SubAmp600 (sold separately)

A Force to be Recognized

Experience dynamic lows with the precise pairing of a special shallow-depth, long excursion active driver pressure-coupled to an Ultra Low Bass radiator.

Non-Resonant Sealed Medite

Enclosed in a dense wood medite enclosure that eliminates vibrations and buzzing, the IWSub 10/10 delivers deep, powerful bass.

Simple Stealth Installation

Nearly invisible and easily added to new or existing construction, the IWSub 10/10 produces musically accurate bass impact that’s never before been available from a compact in-wall subwoofer.

A Powerful Pair

The IWSub 10/10 pairs exclusively with the companion outboard SubAmp 600 (sold separately) which supplies 600 Watts of digital power and sophisticated crossover functions.

Useful Documents


Total Pieces1


Included Accessories(1) Wall Mounting Template; (1) Paint Mask; (1) Paintable Grille; (1) Self Adhering Foam Gasket
Required Accessories(1) SubAmp 600


Cabinet Warranty5 years
Drivers Warranty5 years

Shipping Cartons

Carton 125.5" (64.77 cm) h x 19.5" (49.53 cm) w x 10.5" (26.67 cm) d - 30 lbs (13.61 kg)

In-Wall Speaker

Quantity Included1
Driver Complement(1) 10" (25.4 cm) d (Round) - Subwoofer; (1) 10" (25.4 cm) d (Round) - Bass Radiator
Weight27 lbs (12.25 kg)
Grille Dimensions21" (53.34 cm) h x 15.5" (39.37 cm) w

In-Wall Mount

Dimensions19.88" (50.5 cm) h x 14.38" (36.53 cm) w


Speaker Inputs(1) Pair of Heavy Duty, Spring Loaded - na

Audio Quality

Total Frequency Response16 Hz → 200 Hz
Nominal Impedance4 ohms

Misc. Specs

Product Weight (lbs.)27
Impedance4 Ohms
Number of Speakers1
Height (in.)19.88
Width (in.)14.38
WarningProposition 65 Warning for California Residents