Polk Audio Reserve Series R700 Tower Speaker, 1-inch Tweeter, 6.5-inch Woofers and Dual 8-inch Long-Throw Drivers, Hi-Res Certified, Dolby Atmos and IMAX Enhanced, Black Review (2026)
Updated September 14, 2026 · Research-based review
Our verdict
A large floor-standing tower for a serious home theater or two-channel setup that wants deep bass and Hi-Res, IMAX Enhanced certification without separate subwoofers. Dual 8-inch long-throw drivers deliver real low-end weight, but the tower is heavy, needs floor space, and costs more than Polk's entry-level towers.

Polk Audio's Reserve Series R700 black tower with a 1-inch tweeter, 6.5-inch woofers and dual 8-inch long-throw drivers.
Price range: See on Amazon
What we liked
- + Dual 8-inch long-throw drivers produce deep, powerful bass
- + Hi-Res certification and IMAX Enhanced status suit serious theaters
- + Dolby Atmos ready for pairing with Polk height modules
Trade-offs
- - Large, heavy tower needs floor space and a strong receiver
- - Premium price puts it far above entry-level Polk towers
Who should be shopping for this tower
The R700 is aimed at a dedicated home theater or serious stereo listener who wants a floor-standing speaker that can anchor a system on its own, rather than someone assembling a basic starter setup. Its dual long-throw woofers make it a strong front-left-and-right pair for movie soundtracks with heavy low-end, and its Hi-Res and IMAX Enhanced certifications appeal to buyers who care about matching source quality to speaker capability rather than just filling a room with volume. It is less suited to a small apartment or a room where a compact bookshelf speaker and a separate subwoofer would be easier to fit and move. Buyers wanting to add Dolby Atmos height channels later will find the R700 pairs with Polk's Reserve height modules for expansion.
Driver layout and what it changes in sound
The R700 combines a 1-inch tweeter, a 6.5-inch midrange woofer, and two 8-inch long-throw woofers dedicated to bass, so the low end is handled separately from vocals and midrange detail rather than sharing a single larger driver. This kind of three-way layout is generally used to keep the bass drivers moving air without disturbing the clarity of dialogue and midrange instruments. The cabinet is cross-braced to cut down on internal resonance, which is meant to keep the enclosure quiet so the drivers, not the box itself, define the sound. Its Hi-Res Audio and IMAX Enhanced certifications mean it is built to reproduce a wider frequency range and has been tested against a specific home theater performance standard, and it supports Dolby Atmos and DTS:X source material when paired with a compatible receiver.
Setup, placement and living with a large tower
At roughly 45 inches tall and around 79 pounds each, the R700 needs real floor space and at least two people to move safely into place, so room layout should be planned before ordering rather than adjusted around it afterward. It ships with both rubber feet for hard flooring like hardwood, vinyl, laminate or tile and spike feet for carpet, covering the common flooring types in a home theater or living room. Because the dual 8-inch woofers can move real air, the R700 benefits from a receiver with enough clean power to drive it properly rather than an entry-level unit running near its limit, and pairing it with an underpowered amplifier will leave some of its bass performance on the table.
How it compares with other Polk towers
Against Polk's own TSi500, which uses four smaller 6.5-inch drivers instead of two large 8-inch woofers, the R700 is the newer and more premium design, with IMAX Enhanced certification the TSi500 does not carry. Compared with Polk's T50 or VM30 towers, the R700 sits well above them in price and driver sophistication, aimed at buyers who want a flagship-level tower rather than an entry point into floor-standing speakers. Anyone comparing the R700 to Polk's older RTi A7 should note the RTi series has been discontinued in favor of the Reserve line, making the R700 the current equivalent for a large, premium Polk tower.
Verdict and who should pick something smaller
For a home theater or stereo setup that wants a genuine flagship-level tower with deep, controlled bass and IMAX Enhanced certification, the R700 delivers a level of performance that smaller towers in Polk's lineup cannot match. Anyone with limited floor space, a smaller room, or a modest budget should look at Polk's TSi500 or T50 instead, since both cost less and take up less room while still offering floor-standing bass. Buyers who prefer a smaller footprint entirely, with bass handled by a dedicated subwoofer, should consider a bookshelf speaker and subwoofer combination rather than a large tower like this one.
Frequently asked questions
How much does each R700 speaker weigh
Each speaker weighs about 79.1 pounds, so moving a pair into place is a two-person job.
Does the R700 support Dolby Atmos on its own
It is Dolby Atmos and DTS:X enabled through a compatible receiver, and it can pair with Polk's Reserve height modules to add dedicated overhead channels.
What kind of floor is the R700 designed to sit on
It ships with rubber feet for hardwood, vinyl, laminate or tile floors and spike feet for use on carpet.
How is the R700 different from Polk's TSi500 tower
The R700 uses two 8-inch long-throw woofers plus a 6.5-inch midrange driver and carries IMAX Enhanced certification, while the TSi500 uses four smaller 6.5-inch drivers and sits lower in Polk's lineup.
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