Polk Audio Reserve R400, Center Channel Speaker
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- $1,099.00
- $1,099.00
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Polk Audio Reserve R400 - Premium Centre Channel Speaker
Unrivalled Power and Crystal-Clear Dialogue
The Reserve R400 delivers unparalleled power and clarity from a centre channel speaker. Featuring dual 6.5" Turbine cone woofers and Polk's revolutionary X-Port technology, it produces enormous yet balanced sound that's ideal for the ultimate home theatre system. As the most important speaker in any home theatre setup, the R400 uses Polk's latest flagship transducer array to deliver clear, crisp, intelligible dialogue no matter where you sit.

Inheriting best-in-class technologies from Polk's flagship Legend series, the Reserve R400 helps you discover what better sounds like. With understated elegance and minimalist design, this centre channel speaker rivals products from other manufacturers that sell for twice the price.
Advanced Drivers
- 1" Pinnacle Ring Radiator tweeter
- Dual 6.5" Turbine cone woofers
- Ultra-clear, crisp highs
- Smooth, detailed midrange
Innovative Technology
- X-Port with Eigentone Filter
- Distortion-free bass
- Cross-braced cabinet design
- Anti-diffraction grilles
Premium Audio Formats
- Hi-Res Audio certified
- Dolby Atmos compatible
- IMAX Enhanced certified
- DTS:X support
Flagship Driver Technology
- Pinnacle Ring Radiator Tweeter: The distinctive pointed shape guides high-frequency dispersion around the room, widening the sweet spot for freedom to enjoy music and movies from any seating position
- Turbine Cone Woofers: Pioneering design delivers significant increase in cone rigidity without adding mass, resulting in enhanced sound resolution and smooth, detailed midrange reproduction
- Hi-Res Audio Certification: Delivers clear, detailed high-frequency response up to 40kHz, perfectly reproducing the latest high-resolution audio files with improved extension
- Wide Dispersion Design: Finely tuned waveguide dramatically improves dispersion of high-frequency energy, ensuring consistent sound in every listening position

Revolutionary X-Port Technology
- Eigentone Filter (ETF): Newly patented X-Port features closed-pipe absorbers specifically tuned to dramatically reduce traditional speaker distortions
- Distortion-Free Bass: Ensures upper bass and midrange are free of port and cabinet resonances for crystal-clear, smooth, and detailed sound
- Enhanced Output: Dual rear-firing X-Ports provide deeper bass response with increased output for more impactful low-frequency performance
- Pure Sound Reproduction: Eliminates unwanted noise and resonances that typically plague traditional speaker designs

Precision-Engineered Cabinet
- Cross-Braced Construction: Carefully engineered internal bracing eliminates unwanted interior resonances for accurate sound reproduction
- Rounded Corners: Exterior design helps disperse sound broadly around the room with minimal diffraction, creating an open soundstage
- Premium Materials: Sleek cabinetry hides sophisticated audio innovation while maintaining understated elegance
- Versatile Placement: Rubber feet provide stable placement on shelves or furniture, with wall-mounting capability above or below your television

Complete System Compatibility
- Reserve Series Matching: Perfectly timbre-matched with R200 bookshelf, R500/R600/R700 tower speakers, and R350 surrounds for seamless system integration
- Height Module Ready: Add R900 height modules for complete Dolby Atmos and DTS:X 3D audio experiences
- Amplifier Compatibility: Handles 20-200W power range with 8Ω/6Ω/4Ω amplifier compatibility for flexible system matching
- Bass Management: Optimised for use with subwoofers with recommended crossover settings between 60-80Hz for best performance
Technical Specifications
- Drivers: 1" Pinnacle Ring Radiator tweeter, dual 6.5" Turbine cone woofers
- Frequency Response: 48 Hz - 39 kHz (-3dB limits)
- Power Handling: 20-200W recommended amplifier power
- Sensitivity: 89dB (2.83V/1m)
- Dimensions: 61.5 x 35 x 19.7 cm (L x W x H)
- Weight: 14.9 kg (32.8 lbs)
- Warranty: 5-year limited warranty
About The Brand
x| Superior Sound Quality | Polk Audio is renowned for its rich, immersive sound and balanced audio performance, providing exceptional quality for both home theater enthusiasts and casual listeners. |
| Innovative Design | Polk Audio products feature thoughtful designs that combine functionality with a sleek, contemporary aesthetic suitable for any home or entertainment space. |
| Premium Materials | Using high-grade components like dynamic balance drivers and proprietary PowerPort technology, Polk Audio ensures durability and optimized sound in all their products. |
| Advanced Technology | Polk Audio incorporates advanced features like dynamic balance drivers and Patented SDA (Stereo Dimensional Array) technology, delivering lifelike, three-dimensional sound. |
| Trusted by Professionals | Polk Audio products are trusted by professionals and home audio enthusiasts alike for their reliable performance and ability to deliver room-filling sound in any setup. |
| Wide Product Range | From high-performance home theater systems and outdoor speakers to soundbars and wireless audio solutions, Polk Audio offers a diverse range of products to suit every listener’s needs. |
| Heritage and Legacy | Established in 1972, Polk Audio has a long legacy of acoustic excellence and audio innovation, making it one of the most recognized names in home entertainment sound systems. |