Polk Monitor XT12
Powered subwoofer · Monitor XT series
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The Polk Monitor XT12 is a powered subwoofer with a 50 W amplifier and a 12-inch driver, rated down to 24 Hz. It has line-level and speaker-level inputs; all 26 receivers and processors in our catalogue connect to it.
$399 each (MSRP, September 2026)
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Receivers and processors for the Monitor XT12
Each pairing is checked by our compatibility engine against the subwoofer's inputs and the unit's subwoofer outputs.
Connects (26)
- Denon AVR-S570BT
5 amplified channels · 70 W at 8 Ω
- Yamaha RX500A
7 amplified channels · 70 W at 8 Ω
- Denon AVR-S670H
5 amplified channels · 75 W at 8 Ω
- Denon AVR-X1700H
7 amplified channels · 80 W at 8 Ω
- Denon AVR-S770H
7 amplified channels · 75 W at 8 Ω
- Onkyo TX-NR6100
7 amplified channels · 100 W at 8 Ω
- Yamaha RX-V6A
7 amplified channels · 100 W at 8 Ω
- Denon AVR-X1800H
7 amplified channels · 80 W at 8 Ω
- Denon AVR-S970H
7 amplified channels · 90 W at 8 Ω
- Onkyo TX-RZ30
9 amplified channels · 100 W at 8 Ω
- Pioneer VSX-LX305
9 amplified channels · 100 W at 8 Ω
- Onkyo TX-NR7100
9 amplified channels · 100 W at 8 Ω
- Marantz Cinema 70s
7 amplified channels · 50 W at 8 Ω
- Denon AVR-X2900H
7 amplified channels · 95 W at 8 Ω
- Pioneer VSX-LX505
9 amplified channels · 120 W at 8 Ω
- Onkyo TX-RZ50
9 amplified channels · 120 W at 8 Ω
- Denon AVR-X3800H
9 amplified channels · 105 W at 8 Ω
- Denon AVR-X3900H
9 amplified channels · 105 W at 8 Ω
- Marantz AV7706
11 channels, no amplifiers · Dolby Atmos
- Denon AVR-X4800H
9 amplified channels · 125 W at 8 Ω
- Marantz Cinema 50
9 amplified channels · 110 W at 8 Ω
- Denon AVR-X6800H
11 amplified channels · 140 W at 8 Ω
- Anthem AVM 70 8K
15 channels, no amplifiers · Dolby Atmos
- Monoprice HTP-1
15 channels, no amplifiers · Dolby Atmos
- Emotiva RMC-1L
15 channels, no amplifiers · Dolby Atmos
- Marantz AV 10
15 channels, no amplifiers · Dolby Atmos
Monitor XT12 specifications
| Amplifier | 50 W |
|---|---|
| Drivers | 1 × 305 mm |
| Low end | 24 Hz |
| Inputs | Line, speaker-level |
| Size | 16×16×18 in |
| Weight | 17.7 kg (39 lb) |
| MSRP | $399 each (MSRP, September 2026) |
Every value comes from the sources under References, last retrieved September 15, 2026. To check it against the rest of your system, use the compatibility checker.
Questions about the Monitor XT12
- What receiver works with the Monitor XT12?
- Any receiver or processor with a subwoofer output, or an amplifier with speaker outputs through its speaker-level inputs. In our catalogue that includes Denon AVR-S570BT, Yamaha RX500A and Denon AVR-S670H.
- How powerful is the Monitor XT12?
- The Polk Monitor XT12 has a 50 W continuous amplifier.
- How low does the Monitor XT12 go?
- The Polk Monitor XT12 is rated down to 24 Hz. In a room, modes can lift or cancel bass by more than 10 dB, so placement matters as much as the rating.
- Does the Monitor XT12 have speaker-level inputs?
- Yes. It has speaker-level inputs as well as a line-level input.
- How big is the Monitor XT12?
- The Polk Monitor XT12 measures 407 × 418 × 456 mm (16 × 16.5 × 18 in, width × height × depth) and weighs 17.7 kg (39 lb).
Similar products
References
- Polk Monitor XT12: Spec sheet, polkaudio.com, retrieved September 15, 2026
- Polk Monitor XT12: Owner's manual, polkaudio.com, retrieved September 15, 2026
- Polk Monitor XT12: Manufacturer product page, polkaudio.com, retrieved September 15, 2026
- Polk Monitor XT12: Manufacturer product page, polkaudio.com, retrieved September 15, 2026 (2)
Brand names are trademarks of their owners. Not affiliated with or endorsed by any manufacturer. 3D models are our approximations. Prices are manufacturer list prices (MSRP) as of the month shown. How we earn from buy links: affiliate disclosure.