Sonance Reference Series R1 Rectangular LCR Cinema speaker Created for AV Designers building systems that require the best surround sound available with a look that fits the space aesthetically, Sonance Reference provides truly incredible sound. Engineered to give you an amazing cinema experience in any room, Sonance Reference has options for in-wall, in-ceiling, cabinet speakers and in-wall subwoofers. All Reference speakers and subwoofers have low-profile, paintable grilles that allow you to experience the content without visual intrusion. Features:- Aesthetics •Consistent aesthetic with all Sonance speakers •Matte finish to eliminate reflection behind screens •One-piece paintable grille to blend into your walls Performance •Optimized low deffraction baffle to reduce distortion •Built to bring out the best sound in movies, gaming and streaming •All new driver technology •High excursion carbon fibre woofer Installation •Easy to install •Designed to fit into a 2" x 4" wall cavity •Mix and match with Reference in-ceiling speakers and subwoofers Technical Specifications:- Tweeter: 1" (25mm) Ceramic dome, Ferrofluid-cooled in an acoustic back chamber Midrange: 5 1/4" (133mm) Carbon fibre/Rohacell laminated cone with a rubber surround Woofer: Two 5 1/4" (133mm) Carbon fibre/Rohacell laminated cones with rubber surrounds Frequency Response: 70Hz - 30kHz ±3dB Impedance: 8 ohms nominal; 6 ohms minimum Power Handling: 5 watts minimum; 150 watts maximum Sensitivity: 90dB SPL (2.83V/1 meter) Speaker Depth: 3 7/8" (98mm) Dimensions: (WxH) 8 7/8" x 21 3/4" (225mm x 553mm) Cut-Out Dimensions: (WxH) 7 1/2" x 20 1/2" (191mm x 521mm) Grille Material: Perforated steel Shipping Weight: 19 lbs (8.6kg) each