KSE Audio
Polk Audio R400 Reserve Center Channel Speaker
Polk Audio R400 Reserve Center Channel Speaker
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Polk Audio R400 Center Channel Speaker
The Polk Audio R400 is a high-performance Reserve Series center channel speaker engineered to anchor crisp dialogue and precise on-screen sound in your home theatre setup. Featuring a 1" Pinnacle Ring Radiator tweeter, dual 6.5" Turbine Cone drivers, and Polk's patent-pending X-Port design, the R400 delivers ultra-clear vocals and impactful audio for movies, sports, and multi-channel music.
Key Features
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1" Pinnacle Ring Radiator Tweeter: Delivers extended high-frequency clarity up to 50 kHz with exceptionally wide dispersion for crisp, intelligible dialogue.
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Dual 6.5" Turbine Cone Drivers: Two mid/bass woofers deliver smooth, detailed midrange and dynamic bass for realistic vocal reproduction.
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Patent-Pending X-Port (Power Port 2.0): Features EigenTone filters to absorb cabinet resonances, eliminating port turbulence and distortion.
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Timbre-Matched Design: Acoustically matched to pair seamlessly with Polk Reserve Series towers (R500, R600, R700) and bookshelf speakers (R100, R200).
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High-Power Handling: Accommodates recommended amplifier power from 70 W to 200 W per channel at 8 Ω (4.1 Ω minimum).
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Sleek Cabinet Design: Compact horizontal footprint engineered to slot easily into audio racks or rest beneath large flat-screen displays.
Where Can You Use the Polk R400?
The R400 serves as the acoustic anchor for dedicated 5.1, 7.1, or Dolby Atmos surround sound systems. Positioned directly above or below your display, it ensures vocal tracks stay locked to the screen during intense action sequences and complex film scores. It is ideal for medium-to-large home cinema rooms and pairs effortlessly with modern AV receivers.
Polk Audio R400 Specifications
| Specification | Details |
| Type | High-Resolution Center Channel Speaker (Single Unit) |
| Frequency Response | 48 Hz – 50 kHz (36 Hz – 50 kHz overall) |
| Recommended Amplifier Power | 70 – 200 W |
| Sensitivity | 89 dB |
| Impedance | 8 Ω (4.1 Ω minimum) |
| Tweeter | 1" / 2.54 cm Pinnacle Ring Radiator High-Resolution Tweeter |
| Mid/Bass Woofers | 2 × 6.5" / 16.5 cm Turbine Cone Drivers |
| Enclosure / Port | Rear-firing X-Port (Power Port 2.0) |
| Dimensions (W × H × D) | 24.2" × 7.8" × 13.8" (61.5 cm × 19.8 cm × 35.0 cm) |
| Weight | 14.9 kg |
| Colour | Black/Brown |
| MRP | ₹90,000 (incl. 18% GST) |
Why Choose the Polk Audio R400?
Anchor your home theatre with the Polk Audio R400, a premium Reserve Series center channel speaker featuring dual 6.5" Turbine Cone drivers and a 1" Pinnacle Ring Radiator tweeter. Designed for clear, natural, and detailed dialogue, the R400 keeps every word crisp and intelligible—even during quiet scenes.
Frequently Asked Questions
Is the Polk Audio R400 sold as a single speaker?
Yes, the R400 is sold individually as a dedicated center channel speaker.
What drivers does the Polk R400 use?
It utilizes a 1" Pinnacle Ring Radiator tweeter paired with dual 6.5" Turbine Cone mid/bass woofers.
What amplifier power is recommended for the R400 center channel?
An AV receiver or power amplifier supplying between 70 W and 200 W per channel is recommended.
Is the R400 voice-matched to other Polk speakers?
Yes, it is voice-matched and timbre-aligned to integrate seamlessly with all Polk Reserve Series bookshelf and floorstanding speakers.
What is the primary function of the R400?
Its main function is reproducing dialogue, vocals, and center-panned soundtrack elements in multi-channel home theatre setups.
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