Best THX Subwoofers of 2025

The Monolith Subwoofer packs a punch with its THX Certified Select feature, ensuring optimal audio performance for medium-sized rooms. Its 10" Woofer design focuses on accuracy and minimizing distortion, providing you with powerful and dynamic bass. The 500 Watt Amplifier, with its high efficiency Class D modules, delivers a massive amount of power without signal degradation. The HDF cabinet and internal bracing enhance overall strength, eliminating unwanted vibrations for clear, distortion-free bass. Elevate your home theater experience with the Monolith Subwoofer.

The Monolith 13-Inch THX Ultra Certified Powered Subwoofer is designed to deliver high-quality audio performance in large rooms of up to 3,000 cubic feet. The subwoofer features a 13-inch woofer driver that is designed to minimize distortion and a 2000 watt amplifier that delivers high efficiency Class D amplifier modules. The driver was developed from the ground up and features a unique hybrid cone that combines long fiber pulp and fiberglass to deliver optimal motion at all frequencies. The subwoofer is enclosed in a cabinet made from HDF material with massive internal bracing and outfitted with three ports that can use foam plugs to run the subwoofer in sealed, semi-sealed or ported mode.

The Monoprice Subwoofer, THX Certified Ultra, is designed for exceptional audio performance. THX engineers meticulously tested the speaker to ensure distortion-free high volumes suitable for large rooms. With a 16" woofer, it delivers accurate and dynamic sound while minimizing distortion. The 2000 Watt amplifier, built with advanced technology, provides high power output and customization options. The driver, developed from the ground up, offers low distortion and precise bass, thanks to its unique hybrid cone construction.

The Monolith M-12 V2 12in THX Certified Ultra 500 Watt Subwoofer delivers powerful, precise, and distortion-free sound for large-sized rooms up to 3,000 cubic feet with a 10-12 foot viewing distance from the screen. The subwoofer features a 12" woofer, a 500-watt amplifier with high efficiency Class D amplifier modules, and a vented HDF cabinet with massive internal bracing to minimize unwanted panel vibrations and ensure sonically inert cabinet. The two ports can utilize foam plugs to run the subwoofer in a sealed mode for more accurate sound reproduction.

The Monolith M-15 V2 subwoofer amplifier offers a THX Certified Ultra performance, making it ideal for large sized rooms up to 3,000 cubic feet. The 15" driver is designed to achieve output, accuracy, dynamics, and linearity, while minimizing distortion. The 1000W RMS amplifier is built with a Texas Instruments 48-bit data path and DSP engine, ensuring no signal degradation. The HDF cabinet and internal bracing limit unwanted vibrations, resulting in sonically inert cabinet and massive amounts of bass.

The Monolith M-215 THX Ultra Certified Powered Subwoofer delivers chest thumping bass with cinema level volume, low distortion, and affordability. It features dual 15in woofers enclosed in an HDF cabinet with massive internal bracing, a large slot-shaped port, and 2000-watt (RMS)/3600-watt (peak) amplifier built around a Texas Instruments 48-bit data path DSP engine. The subwoofer is designed to bring the cinematic experience to large home theaters with a viewing distance of 12 feet or greater from the screen.

The Klipsch 12” Passive Subwoofer is a top-notch subwoofer designed for immersive audio experiences. Featuring a 12-inch Cerametallic driver, this subwoofer delivers deep and powerful bass that enhances your music and movie soundtracks. The front-firing port ensures optimal bass response, filling your room with rich, clear low frequencies. With top-of-the-line internal wiring, this subwoofer minimizes signal loss and distortion, providing you with crisp and accurate sound reproduction. Elevate your audio setup with the Klipsch 12” Passive Subwoofer for a truly cinematic listening experience.

The Razer Nommo V2 Pro, or Razer Nommo V2, features powerful 3” full-range drivers for accurate sound reproduction and clarity. With THX Spatial Audio, enjoy advanced 7.1 surround sound for a realistic and detailed soundstage. The down-firing subwoofer enhances entertainment with deep, rich lows for a more immersive experience. The rear projection Chroma RGB lighting zones on both speakers amplify the ambience of your setup, providing dynamic in-game lighting effects.