SKU: 88624152100

Polk Reserve Series R400 Centre Channel Speaker (Each)

$395.55 $439.50
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

Polk Reserve Series R400 Centre Channel Speaker (Each)Polk Reserve R400 Centre Channel Speaker The Centre Channel is the most important speaker in any home theatre setup. The Reserve R400 uses Polks latest flagship transducer array to deliver clear, crisp, intelligible dialogue no matter where you sit. 6. 5 Turbine Cone Polk developed the Turbine cone specifically for our flagship products to ensure the natural reproduction of the mid range, to which human ears are particularly sensitive. The Turbine

Polk Reserve R400 Centre Channel Speaker

The Centre Channel is the most important speaker in any home theatre setup. The Reserve R400 uses Polk’s latest flagship transducer array to deliver clear, crisp, intelligible dialogue no matter where you sit.

6.5” Turbine Cone

Polk developed the Turbine cone specifically for our flagship products to ensure the natural reproduction of the mid-range, to which human ears are particularly sensitive. The Turbine cone combines Polk’s proprietary foam core and moulded Turbine geometry which dramatically increases stiffness and damping, without adding mass. You will hear every detail and experience a smooth, detailed mid-range and effortless bass.

Polk Newly Patented X-Port (ETF)

Polk’s newly patented X-Port incorporates an Eigentone Filter (ETF) offering distortion-free, effortless bass. Consisting of a set of closed-pipe absorbers that are specifically tuned to catch and eliminate traditional speaker distortions. X-Port ensures that the upper bass and mid-range are free of port and cabinet resonances for smooth, detailed audio.

Features

  • Sleek and Elegant design
  • Blends into any décor
  • Patent Pending X-Port
  • Flagship transducer technology

Specifications

  TRANDUCER

Tweeter1"  Ring Radiator
Mid-range/Mid-bass Two 6 ½” Turbine Cone
Overall Frequency Response 40 - 50000
Recommended Amplifier Power 20 - 200W
Sensitivity (2.83V/1m)89dB
Impedance8Ω (4.1Ω min.)

CROSSOVER
Tweeter/Mid-range Crossover Frequency2500

MEASUREMENTS

Product Dims (WxHxD)(615 x 196.6 x 350)mm
(24.2 x 7.8 x 13.8) in

Shipping Dims (WxHxD)740 x 483 x 293)mm
(29.1 x 19 x 11.5) in

CABINETRY

Mid-Bass / Woofer Enclosure Type Dual Rear ETF Ports(X-Port)

Available Finishes Black / Brown

Feet rubber pads

Binding Posts Single nickel-plated 5-way binding posts

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88624152100

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4.5 ★★★★★
Based on 19 reviews
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Product Reviews
W
Verified Purchase
WiltDurkey
Birmingham, US
★★★★★ 5
A+
Thought it did a really good job framing the big picture, as well as showing some of the nitty gritty details of the fighting that took place. Even though I thought I already knew a lot about D-Day, I still learned some things along the way. Note: although I do most of my reading on my Kindle Paperwhite, I read this on my iPad Kindle app instead. I don't expect the graphics to come off too well on a non-tablet Kindle so did not even download it there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 10, 2016
J
Verified Purchase
Joe ostrander
Battle Creek, US
★★★★★ 5
Wonderful middle grade book
Format: Hardcover
This book is part historical fiction and part sci-fi. I bought because we like getting the Newberry award winner every year. We loved this story. It was fun read a book placed when I was kid and see/show my kids how much the world has changed, but it also had a fun time travel element. This coming of age follows a kid and his worries about Y2k. He deals with the death of a friend and worries about everything. We loved this story and it's special sections back i to the future making it easy to believe that time travel is real.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 8, 2025
L
Verified Purchase
L. J. Rinaldi
Houston, US
★★★★★ 5
Fantastic
Format: Kindle
Time travel books are fun. You have to wrap your head around how they work out in the end. This time travel book sort of sneaks up on you, in that other things are going on while Ridge, the time traveler, is checking out 1999. For those who were alive in 1999, we all worried about Y2K, when all the computers would stop working. Scientists worked hard to make sure that it wouldn’t, and at the time, only one bank had trouble after the new year began. Other than that, we were all fine, and life went on. Micheal, is obsessed with Y2K, and when he learns that Ridge is from the future, it is all he wants to know about, and Ridge can’t tell him, as the event is too close. He can tell him how he got his name, and a little about how life is like in the future, but that is about it. But Ridge is the first time traveler, and he has no idea if anything he says will change things, so he has to be very careful. He has no idea what he will find when she returns home, and so worries about everything he says. I really enjoyed this book. I marked several passages that spoke to me. And even the title is such a good thing to bring up and explain, in that it means living in the present time. Not worrying about the future or the past.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2024
B
Verified Purchase
B. Borup
Carnegie, US
★★★★★ 4
Fantasy
Format: Hardcover
Not my favorite genre however the book is written really well and my students who love fantasy loved this book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 20, 2025
A
Verified Purchase
Afoma
Houston, US
★★★★★ 5
Brilliant
Format: Hardcover
The First State of Being is a brilliant, highly readable middle grade book from the QUEEN of character-driven middle grade literature. This expansive sci-fi feels at once introspective and cinematic, leaping off the page like something made for a movie. This book will help young people and all readers reflect on our past and future as a human community, especially in terms of health advances, animal extinction, and the potential for technological development. It also highlights the love and fight in a mother and the need to view life through a positive lens by focusing most on the present, not our past or future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 2, 2025

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