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The Polk Audio Reserve R400 is a three-driver center channel speaker built for home theater dialogue and music detail. It pairs a 1-inch Pinnacle Ring Radiator tweeter with two 6.5-inch Turbine Cone mid/woofers, and a rear X-Port tunes the bass. Its 89 dB sensitivity and 4.1-ohm minimum impedance mean most AV receivers can drive it, though a stout amp helps. Against slim center channels it is larger and deeper, so plan shelf or stand space. It suits buyers building a Reserve-series surround system around the R200 standmounts.
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Owners of the Reserve line praise the R400 for clear, natural dialogue and a wide sweet spot in movie soundtracks. Some note it is physically large and needs a solid amplifier to sound its best.
The Polk Audio Reserve R400 is a center channel loudspeaker from the Reserve line. It uses a 1-inch Pinnacle Ring Radiator tweeter and two 6.5-inch Turbine Cone mid/woofers.
The Pinnacle Ring Radiator tweeter has a pointed shape that allows controlled dispersion of high frequencies around the room, which widens the sweet spot. The Turbine Cone woofers increase cone rigidity without adding mass. A proprietary X-Port on the rear gives a clean midrange and tight, distortion-free bass with no chuffing.
The R400 can be paired with the R200 standmount speakers for a multi-channel setup.
