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Polk Reserve R350 - Slim Center Channel Speaker The Polk Reserve R350 is a slim, low-profile centre channel speaker delivering crisp dialogue and immersive sound for your home theatre. Its sleek design complements any room while offering flagship-level audio performance with advanced Polk technologies. Key Features Use as a traditional centre channel or add two additional R350s vertically mounted for a Left/Right/Center front stage Inherits best-in-class technologies from Polk's flagship Legend series 1" Pinnacle Ring Radiator Tweeter for wide high-frequency dispersion and an expanded sweet spot Four 4" Turbine Cone woofers for enhanced sound resolution and accuracy Proprietary X-Port technology eliminates port noise for tight, distortion-free bass Sleek, cross-braced cabinetry with rounded corners for minimal diffraction and an open soundstage Hi-Res Audio certified for clear, detailed high-frequency response up to 40kHz Dolby Atmos and DTS:X enabled for immersive surround sound experiences IMAX Enhanced certified for a dynamic home theatre experience Wall-mountable with keyhole slots and rubber pads for stability Specifications Speaker Type Low Profile L/C/R Centre Channel (Use as Left, Centre or Right) Unit of Measure (Sold As) Each Tweeter 1" Pinnacle Ring Radiator Mid-range/Mid-bass - Woofers Four 4” Turbine Cone Overall Frequency Response 50Hz - 50kHz Frequency Response (-3dB limits) 75Hz - 35kHz Recommended Amplifier Power 25 - 200W Amplifier Output Compatibility 8Ω / 6Ω / 4Ω Minimum Impedance (ohms) 3.9Ω Sensitivity (2.83V/1m) 87dB Tweeter/Mid-range Crossover Frequency 2700Hz Mid-range/Mid-bass Crossover Frequency 1400Hz Product Dimensions (W x H x D, includes feet) 762 x 141 x 187.5 mm (30 x 5.5 x 7.4 in) Product Weight (each) 20 lbs / 9 kg Shipping Weight 23.7 lbs / 10.8 kg Mid-Bass / Woofer Enclosure Type Sealed Available Finishes Black / Walnut / White Feet Rubber pads Wall-Mountable (keyhole slots) Yes Binding Posts Single Nickel-plated 5-Way Certifications Hi-Res Audio Certified: Yes IMAX Enhanced Certified: Yes Shipping Dimensions (W x H x D) 867 x 264 x 230 mm (34.1 x 10.4 x 9 in) Additional Features The Polk Reserve R350 combines elegant minimalist design with a flagship transducer array, delivering sound quality that rivals speakers twice its price. The Pinnacle Ring Radiator Tweeter ensures wide high-frequency dispersion for a larger sweet spot, while the turbine cone woofers provide rigidity for accurate, detailed audio reproduction. Polk's proprietary X-Port technology eliminates port noise, producing tight, distortion-free bass and clear midrange. The cabinet's cross-bracing and rounded corners reduce resonance and diffraction, creating an open and immersive soundstage. Enjoy immersive audio with Dolby Atmos and DTS:X compatibility, bringing you deeper into movies and music. The speaker is Hi-Res Audio certified, reproducing frequencies up to 40kHz for crystal-clear highs and smooth vocals. IMAX Enhanced certification guarantees a dynamic home theatre experience with supported content.