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Definitive Technology IWSub Reference Fully-Enclosed In-Wall Subwoofer- White

Model #: IWSub Reference


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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.


• Enjoy deep high impact bass without using any floor-space.
• Fits in standard new or existing wall construction.
• 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).


Driver Complement
Subwoofer< /th>
Quantity 1
Diameter 13" (33.02cm)
Type Long Throw Active Subwoofer Driver
Bass Radiator
Quantity 1
Diameter 13" (33.02cm)
Type Planar Low Bass Radiator
Audio Inputs
Speaker Level 1 Pair (Heavy Duty Spring Loaded)
Total Frequency Response
Overall 14 Hz - 200 kHz
Nominal Impedance
Designed for SubAmp 600 (4 ohm)
Installati on
Cut Out Dimensions
Height 25 1/8" (63.82cm) 
Width 14 3/8" (36.51cm) 
Mounting Depth 4" (10.16cm)
Outer Flange
Height 26 3/16" (66.52cm)
Width 15 1/2" (39.37cm)
Orientation In Wall (Vertical Only)
Cabinet Type
Speaker Enclosure Sealed Medite
Product Weight
Out of Box 42 lbs
Accessorie s
Included Accessories Wall Template; Paint Mask; Paintable Grill; Self Adhering Foam Gasket
Required Accessory SubAmp 600 (Available Separately)
Carton Size
Height 30" (76.20cm)
Width 19 1/2" (49.53cm)
Depth 10 1/2" (26.67cm)
Shipping Weight
One per Carton 45 lbs
Drivers and Cabinet
Parts and Labor 5

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