--- product_id: 2348606 title: "Definitive Technology UDSA In-Wall RCS II Referance Ceiling L/C/R (Single, White)" brand: "definitive technology" price: "87050 Ft" currency: HUF in_stock: false reviews_count: 5 category: "Definitive Technology" url: https://www.desertcart.hu/products/2348606-definitive-technology-udsa-in-wall-rcs-ii-referance-ceiling-l store_origin: HU region: Hungary --- # 22Hz–30kHz ultra-wide frequency range Dual 5.25" bass/midrange drivers Pressure-coupled 6.5" low bass radiators Definitive Technology UDSA In-Wall RCS II Referance Ceiling L/C/R (Single, White) **Brand:** definitive technology **Price:** 87050 Ft **Availability:** ❌ Out of Stock ## Summary > 🎢 Elevate your home theater with sound that’s truly invisible β€” but impossible to ignore! ## Quick Answers - **What is this?** Definitive Technology UDSA In-Wall RCS II Referance Ceiling L/C/R (Single, White) by definitive technology - **How much does it cost?** 87050 Ft with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/2348606-definitive-technology-udsa-in-wall-rcs-ii-referance-ceiling-l) ## Best For - definitive technology enthusiasts ## Why This Product - Trusted definitive technology brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Deep, Dynamic Bass:** Dual pressure-coupled radiators extend low-frequency response down to 22Hz, rivaling standalone subwoofers. - β€’ **Stealth Sound Mastery:** Invisible in-ceiling design that blends seamlessly with your space while delivering powerhouse audio performance. - β€’ **Effortless Installation:** One-hole mounting with exclusive locking arm clamps for a secure, resonance-free fitβ€”no mess, no fuss. - β€’ **Audiophile-Grade Clarity:** Pure aluminum dome tweeter ensures crystal-clear highs and precise imaging for immersive soundscapes. - β€’ **Versatile Home Theater Integration:** Perfect for L/C/R or surround channels, compatible with 8-ohm systems and amplifiers up to 250W. ## Overview The Definitive Technology UDSA In-Wall RCS II is a premium in-ceiling speaker designed for high-end home theaters and stereo systems. Featuring dual 5.25" cast-basket bass/midrange drivers, two 6.5" pressure-coupled low bass radiators, and a 1" pure aluminum dome tweeter, it delivers an expansive 22Hz to 30kHz frequency response. Its innovative locking arm mounting system ensures a secure, resonance-free installation, while its sleek white finish allows it to blend invisibly into any ceiling. Ideal for front, center, or surround channels, this speaker offers audiophile-grade clarity and deep bass performance without sacrificing space or style. ## Description From the Manufacturer From the Manufacturer Definitive Performance from "Invisible" SpeakersHome theater is hot today. And "invisible" home theater is even hotter. But until now, it was nearly impossible to experience the full on high performance of traditional loudspeakers using "hidden" in-wall and in-ceiling speakers. Now, Definitive Technology would like to introduce you to the "stealth" sound system solution: Definitive Architectural Loudspeakers. These reference-quality loudspeakers deliver superb sound in unusual in-wall and in-ceiling installations for high end home or commercial applications: anywhere you want warm, rich, traditional performance without the cabinet-style traditional speaker! In-Wall and In-Ceiling installations deliver Definitive's smooth natural sound, reproduced with a lifelike, three-dimensional character that really brings music and movies to life, perfecting the illusion that the music or cinematic action is actually being performed live in your home! This ability to encourage your suspension of disbelief is the hallmark of a truly successful "hidden" loudspeaker. Definitive Architectural Loudspeakers Features Build a "stealth" home theater system that will blow you away without taking up any shelf or floor space! Easy-to-Install--One hole, no mess. Precision templates are included. Exclusive Locking Arm Mounting System grabs your wall with high tension clamps at the turn of a screw, stiffening the baffle and eliminating resonance! (Rough-In Kits for new construction are available, too.) Easy to paint so they virtually disappear into your room, and moisture-resistant for kitchen and even bathroom installations! Pure Aluminum Dome Tweeters--Exclusive, Definitive-developed Magnetic Fluid-Cooled Moving-Coil Tweeter Dome of Pure Aluminum synergistically brings together the performance advantages of metal domes (greater clarity) and soft domes (smoother sound and better dampening) in one state-of-the-art tweeter design, for detail, clarity and accurate imaging. High-Definition Cast-Basket Bass/Midrange Drivers--For significant performance advantages in the areas of bass reproduction, lifelike midrange clarity and dynamic range. (All models except UIW 63/A and UIW 83/A.) Aerodynamically designed, magnetically inert, non-resonant cast baskets minimize reflections of the sound radiating from the back of the cones and preserve structural and magnetic integrity. Rigid Non-Resonant Glass-Filled Low Profile Frames--Maintain sonic purity by defeating diffraction, giving Definitive Architectural Loudspeakers a wide, dynamic sound stage with minimized resonance or coloration. Molded of a glass-filled polymer compound to eliminate baffle resonance. Definitive Technology Architectural Loudspeakers come in a wide array of round, rectangular, bipolar, dual-channel and all-weather styles to suit any installation need. They are all engineered to achieve the same level of superior sonic performance as our flagship floor-standing speakers, utilizing the same state-of-the-art components and technologies developed for our top-of-the-line speakers. So you can mix-and-match these in-wall and in-ceiling loudspeakers in systems with other Definitive Technology loudspeakers. Technical SpecificationsOuter Flange Size: 15-1/2" W x 15-1/2" HCut-Out Size: 14-3/8" W x 5-7/8" D x 14-3/8" HDepth from Flange (including drywall thickness): 5-7/8"Frequency Response: 22 Hz – 30 kHzDrivers: – Two 5-1/4" high-definition cast-basket bass/midrange – Two 6-1/2" pressure-coupled low bass radiators – One 1" pure aluminum dome tweeterRecommended Amplification: 10 – 250 wattsNominal Impedance: Compatible with 8 ohm outputsWeight: 22 lbs. Product Description Definitive Technology ceiling speaker, rcs II, is intended for use as an in-ceiling front main left, center or right channel speaker, as well as a rear or side surround speaker in custom installed home theater systems of the highest quality. In addition, it can be used as a superb left or right speaker in a high quality stereo music system. The rcs II with its active driver/bass radiator combination achieves an extended low-frequency response, which is deep and dynamic with a smooth and controlled roll-off that allows it to seamlessly blend with a subwoofer with a quality that has never been previously achieved in an in-ceiling system. Review: It's a tight fit but the sound is amazing - These speakers are 14 3/8" square and that's just small enough to fit between the ceiling joists. There is little wiggle room, so installation was a bit challenging at times for me. Once installed, I was extremely impressed with the sound. It really does sound like the speakers are on the wall and not in the ceiling. These speakers also produce a nice full range of sound...even if I turn my sub-woofer all the way down. Although these speaker were tough on my wallet, I really am happy with how they sound...and I love that they are hidden away in the ceiling. The build quality of these speaker is really nice. I've never seen a more solid speaker box. If I was being a bit nit-picky, I would say one con is the grill. It's just hard to get it fit to the speaker evenly. Review: high quality, easy install - I'm using as my center channel in the ceiling as a last resort because I had no place to mount a center channel on the wall. I'm glad I went with this. It doesn't blow my mind, and I wish it cost less, but it does seem to throw the sound down because of the angle of the speakers, solving a huge problem that I was worried about in our theater setup. I ended up cranking up my center channel volume a bit and now it seems perfect. It's constructed really well and came with good instructions and template to cut out drywall. One of the screws broke inside the ceiling joist but we ended up being able to drive a drywall screw in that hole to make up for it. ## Features - Single in ceiling speaker - Equipped with two 5.25 Inch high definition cast basket bass/midrange and two 6.5 Inch pressure coupled low bass radiators - Frequency response: 22Hz to 30kHz - Equipped with one 1 inch pure aluminum dome tweeter - Outer Flange size: 15.5 W x 15.5 H inches ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001A6IEEW | | Additional Features | Bass Boost | | Age Range Description | All ages | | Antenna Location | Home Theater | | Audio Driver Size | 6.5 inches | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Surround | | Best Sellers Rank | #487,018 in Electronics ( See Top 100 in Electronics ) #873 in Ceiling & In-Wall Speakers | | Brand | Definitive Technology | | Built-In Media | UIW RCS II | | Color | White | | Compatible Devices | Desktop, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television | | Compatible with Vehicle Type | Car | | Connectivity Protocol | Optical, RCA | | Connectivity Technology | Optical , RCA | | Control Method | Touch | | Customer Reviews | 5.0 out of 5 stars 10 Reviews | | Enclosure Material | Metal | | Frequency Response | 22 hertz | | Global Trade Identification Number | 00093207051692 | | Impedance | 8 ohm | | Is Waterproof | FALSE | | Item Dimensions D x W x H | 12"D x 7.33"W x 12.2"H | | Item Weight | 20 pounds | | Manufacturer | Definitive Technology | | Model Name | RCS II | | Model Number | UDSA | | Mounting Type | Ceiling Mount | | Number Of Circuits | 1 | | Number of Audio Channels | 5.1, 7.1 | | Number of Items | 1 | | Power Source | Corded Electric | | Speaker Maximum Output Power | 500 watts | | Speaker Size | 6.5 inches | | Speaker Type | In Ceiling | | Specific Uses For Product | Home Theatre | | Subwoofer Diameter | 6.5 inches | | UPC | 093207051692 | | Unit Count | 1 Count | | Warranty Description | Manufacturer | | Warranty Type | Limited | | Woofer Diameter | 5.25 inches | ## Product Details - **Audio Output Mode:** Surround - **Brand:** Definitive Technology - **Connectivity Technology:** Optical, RCA - **Frequency Response:** 22 Hz - **Speaker Maximum Output Power:** 500 Watts ## Images ![Definitive Technology UDSA In-Wall RCS II Referance Ceiling L/C/R (Single, White) - Image 1](https://m.media-amazon.com/images/I/51POz58Ch6L.jpg) ![Definitive Technology UDSA In-Wall RCS II Referance Ceiling L/C/R (Single, White) - Image 2](https://m.media-amazon.com/images/I/51I+DUkJLrL.jpg) ![Definitive Technology UDSA In-Wall RCS II Referance Ceiling L/C/R (Single, White) - Image 3](https://m.media-amazon.com/images/I/71FphhKVXoL.jpg) ![Definitive Technology UDSA In-Wall RCS II Referance Ceiling L/C/R (Single, White) - Image 4](https://m.media-amazon.com/images/I/61nrq-yh95L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ It's a tight fit but the sound is amazing *by K***Y on September 11, 2013* These speakers are 14 3/8" square and that's just small enough to fit between the ceiling joists. There is little wiggle room, so installation was a bit challenging at times for me. Once installed, I was extremely impressed with the sound. It really does sound like the speakers are on the wall and not in the ceiling. These speakers also produce a nice full range of sound...even if I turn my sub-woofer all the way down. Although these speaker were tough on my wallet, I really am happy with how they sound...and I love that they are hidden away in the ceiling. The build quality of these speaker is really nice. I've never seen a more solid speaker box. If I was being a bit nit-picky, I would say one con is the grill. It's just hard to get it fit to the speaker evenly. ### ⭐⭐⭐⭐⭐ high quality, easy install *by P***E on March 7, 2013* I'm using as my center channel in the ceiling as a last resort because I had no place to mount a center channel on the wall. I'm glad I went with this. It doesn't blow my mind, and I wish it cost less, but it does seem to throw the sound down because of the angle of the speakers, solving a huge problem that I was worried about in our theater setup. I ended up cranking up my center channel volume a bit and now it seems perfect. It's constructed really well and came with good instructions and template to cut out drywall. One of the screws broke inside the ceiling joist but we ended up being able to drive a drywall screw in that hole to make up for it. ### ⭐⭐⭐⭐⭐ Excellent theater room ceiling speakers. *by P***N on November 9, 2019* Sounds amazing!!! The speakers are heavy and require custom installation with 2x4 for ceiling mounts, but it’s worth it. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hu/products/2348606-definitive-technology-udsa-in-wall-rcs-ii-referance-ceiling-l](https://www.desertcart.hu/products/2348606-definitive-technology-udsa-in-wall-rcs-ii-referance-ceiling-l) --- *Product available on Desertcart Hungary* *Store origin: HU* *Last updated: 2026-08-27*