Does the Reserve 300 need a subwoofer?

Yes, for full-range sound. The sealed enclosure limits deep bass, so a subwoofer is recommended for movies and music with low frequencies.

What amplifier power does it require?

Polk recommends at least 70 watts per channel. More power can improve dynamics, especially in larger rooms.

Can it be used as a left or right speaker?

It is designed as a center channel, but some users employ it vertically as a left or right in compact setups. However, its horizontal dispersion is optimized for center use.

How does it compare to the Polk Reserve 350?

The 350 is larger with bigger drivers and deeper bass, but the 300 is more compact and easier to place. The 300 still delivers clear dialogue and wide dispersion.

What is included in the box?

The speaker, magnetic grille, and basic documentation are included. Speaker wire and amplifier are not.

Polk Audio Reserve 300 Compact Center Channel Speaker

Best price now

$499.00at WalmartChecked Nov 10

Prices are checked against each store and labelled with when.

Visit Walmart

Polk Audio Reserve 300 Compact Center Channel Speaker

Best price now

$499.00at WalmartChecked Nov 10

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $499.00 at Walmart on Nov 10.

Our take on the Polk Audio Reserve 300 Compact Center Channel Speaker

The Polk Audio Reserve 300 is a compact center channel speaker designed to anchor a home theater with clear, lifelike dialogue. It features a 1-inch ring radiator tweeter and dual 5.25-inch turbine-style midrange drivers in a sealed enclosure, which helps reduce distortion and port noise. Its 19-inch width fits spaces where larger centers won't, and it suits listeners who want accurate vocals without a bulky cabinet. Compared to ported rivals, it sacrifices some bass extension but gains tighter midrange and placement flexibility.

Best forHome theater setups with limited spaceListeners who prioritize dialogue claritySmall to medium roomsPairing with compact bookshelf or tower speakers

Pros

Sealed enclosure reduces port noise and distortion
Ring radiator tweeter delivers wide dispersion
Dual 5.25-inch drivers provide detailed midrange
Compact 19-inch width fits tight spaces
Five-way binding posts for secure connections
Magnetic grille for a clean look

Cons

Limited bass extension due to sealed design
Requires at least 70 watts per channel to perform best
May struggle to keep up with larger floorstanding speakers in big rooms

Polk Audio Reserve 300 Compact Center Channel Speaker prices at every store

WalmartNew
In stockSold by World Wide Stereo (Authorized)Returns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$499.00Free shippingChecked Nov 10
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What reviewers say

Reviewers and owners praise the Reserve 300 for its clear dialogue and wide dispersion, making it a strong choice for home theater. Some note that it benefits from a capable amplifier and a subwoofer for full-range sound.

What people mention

Dialogue clarityPraisedReviewers consistently highlight how intelligible voices are, even off-axis.
DispersionPraisedThe ring radiator tweeter creates a broad sweet spot, so listeners across the couch hear balanced sound.
BassCriticisedThe sealed cabinet rolls off early, so owners recommend adding a subwoofer for impactful low end.
Power needsMixedSome say it needs a beefy amplifier to open up, while others find it efficient enough for modest receivers.
Build qualityPraisedThe cabinet feels rigid and well-braced, with a premium finish and secure binding posts.

About the Polk Audio Reserve 300 Compact Center Channel Speaker

The Polk Audio Reserve 300 is a compact 19-inch center channel speaker for a home theater. It uses a 1-inch ring radiator tweeter with two 5.25-inch turbine-style midrange drivers. The design gives wide dispersion and clear, detailed dialogue and vocals across the seating area.

The enclosure is fully sealed, which keeps distortion down and avoids port noise. Rigid cabinetry and internal bracing reduce resonances.

Connections are made through five-way binding posts. Polk recommends amplification of 70 watts per channel or more. The speaker is intended for movies, shows, sports and games, and it has a broad sweet spot.

Type: Compact center channel speaker
Color: Black
Dimensions: 6.8" x 19" x 8.92"
Tweeter: 1-inch high-definition ring radiator
Midrange drivers: 2 x 5.25-inch turbine-style
Enclosure: Fully sealed, with internal bracing
Grille: Magnetic, acoustically inert
Connections: Five-way binding posts
Recommended power: 70 watts per channel or more

Specifications

color: BlackSource
actual_color: BlackSource
size: 6.8" x 19" x 8.92"Source

Questions and answers

Does the Reserve 300 need a subwoofer?: Yes, for full-range sound. The sealed enclosure limits deep bass, so a subwoofer is recommended for movies and music with low frequencies.
What amplifier power does it require?: Polk recommends at least 70 watts per channel. More power can improve dynamics, especially in larger rooms.
Can it be used as a left or right speaker?: It is designed as a center channel, but some users employ it vertically as a left or right in compact setups. However, its horizontal dispersion is optimized for center use.
How does it compare to the Polk Reserve 350?: The 350 is larger with bigger drivers and deeper bass, but the 300 is more compact and easier to place. The 300 still delivers clear dialogue and wide dispersion.
What is included in the box?: The speaker, magnetic grille, and basic documentation are included. Speaker wire and amplifier are not.
Where is the Polk Audio Reserve 300 Compact Center Channel Speaker cheapest?: At Walmart, for $499.00, as of our latest check.