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Deal.ai › Polk
Polk
Polk Monitor XT12

Polk Monitor XT12

Best price now

$399.00at AmazonChecked 1 h ago

Compared across 4 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Lowest price today: $399.00 at Amazon (checked Nov 10, 2026).
  • Checked at 4 stores.

Our take on the Polk Monitor XT12

The Polk Monitor XT12 is a powered 12-inch ported subwoofer with a Class AB amplifier rated at 100 watts peak. It reaches down to about 24 Hz, which is deep for its class, and its rear panel keeps controls simple: a 80–160 Hz low-pass dial, a 0/180 phase switch and a single LFE input. It suits movie and music setups that want real low-end weight without a big outlay, and it competes with entry 12-inch subs from Klipsch and ELAC that often cost more. Owners like the output for the size; the main complaints are its 39 lb bulk and a bass that can sound loose if not dialed in.

Best forFirst home theater subwooferMovies and gaming in a mid-size roomMusic listeners who want deep bass on a budgetPairing with Polk Monitor or other budget speakers
Pros
  • 12-inch woofer with bass reflex port for strong output
  • Reaches roughly 24 Hz, deep for an entry sub
  • Adjustable 80–160 Hz crossover and 0/180 phase match most rooms
  • Single LFE input keeps setup simple
  • Compact 16-inch footprint for a 12-inch sub
Cons
  • 100 W peak is modest next to higher-powered rivals
  • Bass can sound boomy or loose without careful placement
  • 39 lbs and 17.9 inches deep, so it is not easy to move
  • No auto room correction or app control
  • No speaker-level inputs, so it suits LFE/line-level setups only

Polk Monitor XT12 prices at every store

  • Bowers & WilkinsNew

    In stock

    $399.00Free shippingChecked 1 h ago
    Visit Bowers & Wilkins
  • ProjectorScreen.comNew

    In stock

    $399.00Free shippingChecked 1 h ago
    Visit ProjectorScreen.com
  • Polk AudioRefurbished

    Availability unknown

    $299.00Free shippingChecked 1 h ago
    Visit Polk Audio
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $399.00Free shippingChecked 1 h ago
    Visit Amazon

Polk Monitor XT12 price history

Lowest price we've seen: $399.00 on Nov 10 at Bowers & Wilkins. Tracked across 3 stores since Nov 10.

What reviewers say

Owners and reviewers treat the Monitor XT12 as a strong value entry subwoofer: it adds real depth to movies and holds up for music at moderate volumes. Most criticism centers on boominess in small or poorly placed rooms and on the modest amplifier headroom.

What people mention
  • Bass depthPraisedOwners say it digs low enough to give movies real rumble.
  • BoominessCriticisedSome find the bass loose or boomy in small rooms until placement and crossover are adjusted.
  • SetupPraisedThe simple LFE input and crossover dial make it quick to connect to a receiver.
  • OutputMixedIt fills a mid-size room well, but owners note it runs out of headroom at very loud levels.
  • Size and weightCriticisedAt 39 lbs and nearly 18 inches deep, it is awkward to move and place.

Specifications

Woofer size
12"Source
Amplifier type
Class ABSource
Weight
39 lbs (17.7 kg)Source
Width
16" (40.7 cm)Source

Questions and answers

Is the Polk Monitor XT12 good for movies?
Yes. Its 12-inch ported design reaches about 24 Hz, so it adds real rumble to action scenes. It works best in a mid-size room at moderate to loud volumes.
Does it need a special receiver?
It needs a receiver or processor with a subwoofer/LFE output. There are no speaker-level inputs, so older stereo amps without a sub out will not drive it directly.
How do I set the crossover and phase?
Set the low-pass dial to match your speakers, often around 80 Hz when using small bookshelf models, and flip the phase switch if bass sounds thin at the listening seat.
Is it better than the Polk PSW10?
The XT12 has a larger 12-inch woofer and plays deeper than the 10-inch PSW10. It is the better pick for home theater; the PSW10 is smaller and easier to tuck away.
What is in the box?
The subwoofer, a power cord and basic documentation. An RCA subwoofer cable is not included, so plan to supply one.
Can it keep up with tower speakers?
For most rooms, yes, but its 100 W peak amp has less headroom than pricier subs. Very large rooms or reference-level listening may want more power.
Where is the Polk Monitor XT12 cheapest?
At Amazon, for $399.00, as of our latest check.
Where can I buy the Polk Monitor XT12?
4 stores we checked sell it, including Polk Audio, Bowers & Wilkins, ProjectorScreen.com, Amazon.

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Stores we've priced the Polk Monitor XT12 at

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Height
16.4" (41.8 cm)Source
Depth
17.9" (45.6 cm)Source
Low-pass crossover
80 Hz → 160 HzSource
Phase adjustment
0/180Source
LFE input
Single RCASource
Bass type
Bass reflex (ported)Source
Frequency response
24-160 HzSource
Peak power
Up to 100WSource
Color
Black
Subwoofer Type
Powered
Max Wattage
100 W