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Definitive Technology® Reference Series 3.5" White In-Wall/In-Ceiling Surround Speaker
Definitive Technology® Reference Series 3.5" White In-Wall/In-Ceiling Surround Speaker 0
Definitive Technology® Reference Series 3.5" White In-Wall/In-Ceiling Surround Speaker 1

Definitive Technology® Reference Series 3.5" White In-Wall/In-Ceiling Surround Speaker

Model #: UIW RSS III
Definitive Technology
0% Financing
At a Glance


Get to know this product.

UIW RSS III™ Reference In-Ceiling/In-Wall Bipolar Loudspeaker

  • Bipolar arrays evenly disperse sound effects over a broad area
  • Dual 1" pure aluminum dome tweeters produce pristine highs
  • High dynamic impact with a pair of 3.5" cast basket drivers and two 3.5" pressure-coupled Low Bass radiators
  • Integrated dense wood enclosures provide easy installation and consistent high performance
  • White Finish

Bipolar Surround Experience

Sound engulfs you anywhere in the room with dual 3-way full-range systems in each speaker–a total of 6 driver/radiators per unit.

Pure Aluminum

Smooth, high frequency response rings true from the pure aluminum dome tweeter set among high definition bass drivers with cast baskets.

Greater Degrees of Sound Control

For in-ceiling installations, the RSS III’s rotating 90-degree driver arrays give you the freedom to optimize performance in relation to your room and seating arrangement.

Non-Resonant Sealed Medite

Enclosed in dense wood medite cabinets that eliminate vibrations and buzzing, the UIW RSS III reveals natural, uncolored midrange and tight, detailed bass.

Simple Stealth Installation

With a flush mount design and rotating dogleg clamps that provide secure, non-resonant mounting, the UIW RSS III is easily installed in both new and existing construction applications.

Useful Documents


Warranty:Limited Warranty. See store for full details.


Connector Type:Heavy Duty Spring Loaded
Bipole or Dipole:Bipole


Tweeter Size:1"


Description:Definitive Technology® Reference In-Ceiling Speaker with dual 1" pure aluminum dome tweeters and integrated dense wood enclosure
Features:<p>Definitive Reference Architectural Speakers are perfect for bringing spectacular-sounding, high-performance "invisible" home theater systems into every room in your house. The Reference Surround Speaker III (RSS III) is intended for use as an in-ceiling or in-wall rear or side surround speaker in custom installed home theater systems of the highest quality.</p><ul><li>Patented Wave Launch technology creates the illusion that the speakers are in front of you, not above you</li><li>Two 4-1/2 inch cast basket drivers and 5-1/4 x 4-1/8 inch pressure-coupled Low Bass radiators for impressive deep bass with high impact punch</li><li>Integrated wood enclosure ensures consistent high performance every time</li><li>One 1 inch Pure aluminum dome tweeter</li><li>Installs in either new or existing construction applications</li></ul><div><strong>Warranty Information</strong></div><ul><li>Electronic components- 3 Years Parts and Labor</li><li>Drivers and Cabinet- 5 Years Parts and Labor</li></ul><p><strong>Included Accessories</strong></p><ul><li>(1) Wall Mounting Template</li><li>(1) Paint Mask</li><li>(1) Paintable Grille</li><li>(1) Self Adhering Foam Gasket</li></ul><p><strong>Driver Complement</strong></p><ul><li>(2)<span>&nbsp; </span>1" (2.54 cm) d (Round) - Tweeter</li><li>(2)<span>&nbsp; </span>3.5" (8.89 cm) d (Round) - Mid/Woofer</li><li>(2)<span>&nbsp; </span>3.5" (8.89 cm) d (Round) - Bass Radiator</li></ul><p><strong>Dimensions</strong></p><ul><li>Speaker &ndash; 9.88" (25.1 cm) H x 8.31" (21.11 cm) W</li><li>Grille - <span style="line-height:107%;color:black;background:white;">11" (27.94 cm) H x 9.44" (23.98 cm) W</span></li></ul>


Shipping Weight:9


Crossover Type:120 Hz
Sold As:Each


Impedance:8 Ohms
Maximum Power Handling:300
Number of Speakers:1
Sensitivity:90 dB



Misc. Specs

Color Finish NameWhite
RMS Power Handling (Watts)300
Impedance8 ohms
Maximum Power Handling (Watts)300
Number of Speakers1
Speaker TypeSurround Speakers
WarningProposition 65 Warning for California Residents