---
product_id: 646971450
title: "Polk Monitor XT12 Powered Sub - 12\" Dynamic Balanced Woofer & 100W Class A/B Amplifier, Low-Resonance MDF Cabinet & Removable, Precision-Fit Grille, Dolby Atmos & DTS:X Compatible, Midnight Black"
brand: "polk audio"
price: "R39152"
currency: ZAR
in_stock: true
reviews_count: 5
category: "Polk Audio"
url: https://www.desertcart.co.za/products/646971450-polk-monitor-xt12-powered-sub-12-dynamic-balanced-woofer-100w
store_origin: ZA
region: South Africa
---

# 100W Class A/B Amplifier 12" Dynamic Balanced Woofer Variable Crossover & Phase Controls Polk Monitor XT12 Powered Sub - 12" Dynamic Balanced Woofer & 100W Class A/B Amplifier, Low-Resonance MDF Cabinet & Removable, Precision-Fit Grille, Dolby Atmos & DTS:X Compatible, Midnight Black

**Brand:** polk audio
**Price:** R39152
**Availability:** ✅ In Stock

## Summary

> 🎶 Unleash the bass that makes your space the place to be!

## Quick Answers

- **What is this?** Polk Monitor XT12 Powered Sub - 12" Dynamic Balanced Woofer & 100W Class A/B Amplifier, Low-Resonance MDF Cabinet & Removable, Precision-Fit Grille, Dolby Atmos & DTS:X Compatible, Midnight Black by polk audio
- **How much does it cost?** R39152 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/646971450-polk-monitor-xt12-powered-sub-12-dynamic-balanced-woofer-100w)

## Best For

- polk audio enthusiasts

## Why This Product

- Trusted polk audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Deep Bass:** Feel every beat down to 24Hz with a powerful 12" woofer and 100W amp combo.
- • **Precision-Tuned Sound:** Low-resonance MDF cabinet and removable grille ensure distortion-free audio clarity.
- • **Expandable Bass Impact:** Add a second Polk XT12 subwoofer for uniform, room-filling bass that commands attention.
- • **Customizable Audio Control:** Fine-tune volume, crossover (80-160Hz), and phase polarity for perfect room fit.
- • **Seamless Home Theater Integration:** Dolby Atmos & DTS:X compatible for immersive surround sound experiences.

## Overview

The Polk Monitor XT12 powered subwoofer features a 12-inch Dynamic Balanced Woofer paired with a 100W Class A/B amplifier, delivering deep bass down to 24Hz. Its rigid, low-resonance MDF cabinet and precision-fit grille minimize distortion for crystal-clear sound. Compatible with Dolby Atmos and DTS:X, it offers versatile connectivity and customizable controls including volume, crossover, and phase polarity. Perfect for home theaters, gaming, and music, it can be paired with a second XT12 for enhanced, seamless bass performance.

## Description

The Polk Monitor XT12 powered subwoofer is outfitted with a 12” Dynamic Balanced Woofer and 100 W peak Class A/B amplification; delivering loud, low, effortless bass. Audiophiles, homeowners, or anyone who is a gamer can enjoy movies, music, and gaming; with more impact, amazing speed, and control even at 24 Hz. Built-in controls for volume, variable crossover (80–160 Hz), and phase polarity (0/180) allow quick room tuning. The home audio subwoofers have a rigid, low-resonance cabinet that keeps each note clean; while the driver moves ample air for truly deep bass. Easily integrated into any home theater or music listening environment. Featuring new woofer, amplifier, and cabinet designs—the MXT12 12 inch subwoofers fulfill the Polk promise of great sound for all. Add another, same-model subwoofer to your setup to improve realism, smooth peaks and dips; deliver even bass for every movie and song.

Review: Graves de primeira - Som de qualidade. Caixa muito bem acabada.
Review: Deep, Clean Bass That Completely Transformed My Home Theater - Deep, Clean Bass That Completely Transformed My Home Theater I purchased the Polk Monitor XT12 powered subwoofer as part of a home theater upgrade, and it has been one of the most impactful additions to my entire setup. Setup was quick and straightforward. The controls are easy to access, and integrating the subwoofer with my receiver took only a few minutes. Once calibrated, the difference was immediately noticeable. The 12-inch woofer produces deep, powerful bass that adds a whole new level of immersion to movies, gaming, and music. Action scenes have a satisfying low-end impact without sounding muddy or overpowering. Explosions, sound effects, and movie soundtracks feel much more realistic and engaging. What impressed me most is how well the XT12 balances power and clarity. It can deliver room-filling bass when needed, but it also remains controlled and musical during everyday listening. Whether watching movies, streaming shows, or listening to music, the bass feels natural and well integrated with the rest of the speakers. The cabinet feels solid and well-built, and the overall design looks clean and modern without drawing unnecessary attention to itself. Pros: • Deep and powerful bass performance • Excellent value for the price • Easy setup and integration • Clean, controlled low-frequency response • Great for both movies and music • Solid construction and attractive design Cons: • Large cabinet may require some planning for placement • May be more output than necessary for smaller rooms After extended use, I continue to be impressed with this subwoofer. It has added depth, impact, and realism to my entertainment system without requiring a premium budget. If you're looking for a powerful home theater subwoofer that delivers excellent performance and value, the Polk Monitor XT12 is an easy 5-star recommendation.

## Features

- POWERFUL SUB FOR EFFORTLESS BASS - The Polk Monitor XT12 Subwoofer and amp package features a long-throw, high excursion 12" Dynamically Balanced Woofer powered by a 100W Class A/B Amplifier; delivering bass down to 24Hz for music, movies, games
- PREMIUM BUILD QUALITY AND MODERN DESIGN - An upgrade to the acclaimed Monitor series, the Polk Monitor XT series features innovations in affordable, great sounding speakers; their stylish design blends with any home décor
- DISTORTION-FREE AUDIO - The MXT12 12 inch subwoofer is housed inside a rigid, critically braced MDF cabinet with a removable, precision-fit grille that isolates woofer sound; minimizing resonances and sonic interference for pure sound
- VERSATILE COMPATIBILITY & CONVENIENT CONTROLS - This Polk Audio subwoofer is compatible with the latest Dolby Atmos & DTS:X AV receivers; fine tune MXT12 with volume, variable crossover (80-160Hz) and phase polarity (0/180) control
- NUMEROUS CONNECTION OPTIONS - The MXT12 subwoofer perfectly complements most home theater systems. Easily connect your receiver with this subwoofer via line level RCA, LFE (unfiltered/low pass disabled) and nickel plated 5-way binding post inputs
- ADD A SECOND SUB FOR RUMBLING AUDIO – The timbre matched Polk components ensure seamless speaker-to-speaker blending with other Monitor XT speakers. Add another same-model Polk subwoofer for more bass and uniform low frequencies throughout the room

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09BMX6GPT |
| Additional Features | Dolby Atmos, DTS:X Compatible |
| Age Range Description | Adult |
| Antenna Location | [Multiple] Home theaters, Televisions, Gaming consoles |
| Audio Driver Size | 12 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Audio output mode | Surround |
| Brand | Polk Audio |
| Built-In Media | Remote Control, Cables (inferred) |
| Color | black |
| Compatible Devices | Gaming Console, Home Theater, Television |
| Connectivity Protocol | RCA, LFE |
| Connectivity Technology | Auxiliary, RCA |
| Connectivity technology | Auxiliary , RCA |
| Control Method | Remote |
| Controller Type | Remote Control |
| Customer Package Type | FFP |
| Customer Reviews | 4.7 out of 5 stars 262 Reviews |
| Enclosure Material | Engineered Wood |
| Frequency Response | 24 Hz |
| Frequency response | 24 Hz |
| Impedance | 4 Ohms |
| Is Waterproof | False |
| Item Dimensions D x W x H | 40.6D x 45.7W x 40.6H centimeters |
| Item Type Name | Subwoofer |
| Item Weight | 39 Pounds |
| MP3 player | No |
| Manufacturer | Polk Audio |
| Model Name | MXT12 |
| Model Number | MXT12 |
| Mounting Type | Floor Standing |
| Mounting type | Floor Standing |
| Number Of Circuits | 1 |
| Number of Audio Channels | 5.1 |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 100 Watts |
| Speaker Size | 12 Inches |
| Speaker Type | Subwoofer |
| Speaker maximum output power | 100 Watts |
| Specific Uses For Product | Home entertainment systems, Gaming, Indoor audio setups |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 12 Inches |
| Tweeter Diameter | 1 Inches |
| UPC | 747192135058 |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 12 Inches |

## Product Details

- **Audio output mode:** Surround
- **Brand:** Polk Audio
- **Connectivity technology:** Auxiliary, RCA
- **Frequency response:** 24 Hz
- **Speaker maximum output power:** 100 Watts

## Images

![Polk Monitor XT12 Powered Sub - 12" Dynamic Balanced Woofer & 100W Class A/B Amplifier, Low-Resonance MDF Cabinet & Removable, Precision-Fit Grille, Dolby Atmos & DTS:X Compatible, Midnight Black - Image 1](https://m.media-amazon.com/images/I/51k9nFdynKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Graves de primeira
*by A***É on 15 April 2022*

Som de qualidade. Caixa muito bem acabada.

### ⭐⭐⭐⭐⭐ Deep, Clean Bass That Completely Transformed My Home Theater
*by J***G on 3 June 2026*

Deep, Clean Bass That Completely Transformed My Home Theater I purchased the Polk Monitor XT12 powered subwoofer as part of a home theater upgrade, and it has been one of the most impactful additions to my entire setup. Setup was quick and straightforward. The controls are easy to access, and integrating the subwoofer with my receiver took only a few minutes. Once calibrated, the difference was immediately noticeable. The 12-inch woofer produces deep, powerful bass that adds a whole new level of immersion to movies, gaming, and music. Action scenes have a satisfying low-end impact without sounding muddy or overpowering. Explosions, sound effects, and movie soundtracks feel much more realistic and engaging. What impressed me most is how well the XT12 balances power and clarity. It can deliver room-filling bass when needed, but it also remains controlled and musical during everyday listening. Whether watching movies, streaming shows, or listening to music, the bass feels natural and well integrated with the rest of the speakers. The cabinet feels solid and well-built, and the overall design looks clean and modern without drawing unnecessary attention to itself. Pros: • Deep and powerful bass performance • Excellent value for the price • Easy setup and integration • Clean, controlled low-frequency response • Great for both movies and music • Solid construction and attractive design Cons: • Large cabinet may require some planning for placement • May be more output than necessary for smaller rooms After extended use, I continue to be impressed with this subwoofer. It has added depth, impact, and realism to my entertainment system without requiring a premium budget. If you're looking for a powerful home theater subwoofer that delivers excellent performance and value, the Polk Monitor XT12 is an easy 5-star recommendation.

### ⭐⭐⭐⭐⭐ Polk Audio XT12, Poderoso Subwoofer!
*by J***L on 5 June 2026*

Polk Audio XT12 es un poderoso subwoofer amplificado de 12 pulgadas, produce bajos profundos, contundentes y poderosos! - Viene equipado con una placa amplificadora con múltiples opciones de conexión, lo cual me permite utilizar tanto mis amplificadores modernos con salida pre-out y LFE, como mis equipos vintage que carecen de un canal de subwoofer dedicado. - El Polk Audio XT12 no le pide nada a subwoofers más caros; de hecho la placa amplificadora que incorpora es idéntica en configuración y potencia a la del Elac Debut de 10"! - Lo adquirí en Hotsale 2026 a un inmejorable e increíble precio de $5699.00 pesos mexicanos, lo cual es genial considerando que sin oferta el XT12 anda rondando en los 12 y 16 mil pesos mexicanos! - Finalmente, Amazon entregó puntualmente el producto en mi domicilio, lo cual es genial!

## Frequently Bought Together

- Polk Monitor XT12 Powered Sub - 12" Dynamic Balanced Woofer & 100W Class A/B Amplifier, Low-Resonance MDF Cabinet & Removable Grille, Dolby Atmos & DTS:X Compatible, Midnight Black
- Amazon Basics Speaker Cable, Easy Assembly, 16-Gauge, Bronze, 100 ft
- FosPower Banana Plugs 10 Pairs / 20 pcs, Closed Screw 24K Gold Plated Speaker Plug Connectors for Speaker Wire, Wall Plate, Home Theater, Audio/Video Receiver, Amplifiers and Sound Systems

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.za/products/646971450-polk-monitor-xt12-powered-sub-12-dynamic-balanced-woofer-100w](https://www.desertcart.co.za/products/646971450-polk-monitor-xt12-powered-sub-12-dynamic-balanced-woofer-100w)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-09-29*