Due to demand, a shipping date cannot be provided at checkout. After you've placed your order, we will send you shipping updates as soon as they are available. Quantities are currently limited to only ONE per customer.
PLEASE NOTE: This product will not ship until January 2023. Quantities are currently limited to ONE per customer. Due to high demand, an exact manufacturer shipping date cannot be specified at this time. After your order is placed, you will receive shipping updates as they become available. Thank you for your patience and understanding.

Polk Audio - Monitor XT12 12" 100W Class A/B Amplifier Subwoofer - Midnight Black

In Stock
Polk Audio
39 lbs
17.9 in
16.4 in
16 in
per week *
Cash Price3




The Polk Monitor XT12 subwoofer is designed to add punchy, responsive bass to your movies and music. It is outfitted with a 12” Dynamic Balanced Woofer and 100W peak Class A/B amplification that deliver powerful bass with amazing speed and control even at 24Hz. Built-in controls allows variable volume, variable crossover (80-160Hz) and phase control (0/180°) for optimum bass levels. Monitor XT12 is housed in a critically braced MDF cabinet with a removable, precision-fit grille to isolate the sound of the woofer while minimizing unwanted resonances and sonic interference. A perfect complement to any home theater system the MXT12 offers line level, LFE, and nickel plated, five-way binding post inputs, ensuring a direct connection and compatibility with your receiver. Add another, same-model subwoofer to your home audio set up to dramatically improve realism, smooth out peaks and dips, as well as to get an even bass response for all your movies and music. Be at the center of action from any part of the room!
  • A Powerful, Upgraded Subwoofer
    Featuring a long-throw, high excursion 12" Dynamically Balanced Woofer powered by a 100W Class A/B Amplifier, the Monitor XT12 subwoofer delivers bass as low as 24Hz, adding more impact and depth to your music, movies, and games
  • Premium Build Quality
    The Polk Monitor XT series is an upgrade to the critically acclaimed Monitor series. Featuring latest innovations, it includes affordable but great sounding speakers with a modern design that blends seamlessly into any home décor
  • Resonance-Free Sound
    The sub features a non-resonant, beautifully-designed and critically braced MDF cabinet with a removable, precision-fit grille that isolates the sound of the woofer, while minimizing unwanted resonances and sonic interference for pure sound
  • Versatile Compatibility & Convenient Controls
    Fine tune the MXT12 sub to your system easily with volume, variable crossover (80-160Hz) and phase polarity (0/180) control. It is compatible with the latest Dolby Atmos & DTS:X enabled AV Receivers and Amplifiers
  • Multiple Connection Options
    Easily connect your home entertainment setup with this subwoofer via line level (RCA), LFE (unfiltered / low pass disabled) and nickel plated, 5-way binding post inputs. The MXT12 is perfect for most home theater setups
  • Add an Additional Sub for Thunderous Sound
    By adding another same-model subwoofer, amplify every crunch, explosion, and roar, and feel at the center of the action. The result will be dramatically improved realism, smoother peaks, and an even bass response across the room
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