Best Enclosed Subwoofer

Monolith M-215 THX Ultra Certified Powered Subwoofer - Dual 15in, 2000-Watt Amplifier, Massive Output, Low Distortion, for Home Theater Systems, Black (138543)

THX Ultra Certified: Add a Tower of Bass to your home theater system! This Monolith THX Ultra Certified subwoofer sets the standard for bass output, low distortion, and affordability. With chest thumping bass that plays down to well under 16Hz, the Monolith THX Ultra Dual 15in Subwoofer unleashes cinema level volume with the ability to convey and articulate the subtle nuances of music..
Dual 15in woofers: The Monolith 15in driver was developed from the ground up, with a design focus on achieving output, accuracy, dynamics, and linearity, while minimizing distortion. It is enclosed in an HDF cabinet with massive internal bracing. The cabinet features a large, slot-shaped port at the bottom, which can closed using the included foam plug to run the subwoofer in full sealed mode..
2000-Watt amplifier: The 2000-watt (RMS)/3600-watt (peak) amplifier is built around a Texas Instruments 48-bit data path (with 28-bit filter coefficients) DSP engine. Each amplifier's transfer function, power output limiting, and thermal protection are monitored to the millisecond and are customized for each individual driver. The high efficiency Class D amplifier modules are based on a proven topology that has been continuously refined over the past 4 years. The amplifier has va....

Bluetooth receiver included - control volume, play, pause, and skip with an easy to use rocker switch design..
Stealth-10 SURGE - Eight 3" mid drivers, two 1" Tweeters.
800 Watts of Sounds for your UTV, ATV, Boat, or any other 12 Volt vehicle..

Bluetooth receiver included - control volume, play, pause, and skip with an easy to use volume knob design..
Stealth-10 SURGE - Eight 3" mid drivers, two 1" Tweeters.
550 Watts of Sounds for your UTV, ATV, Boat, or any other 12 Volt vehicle..

Bluetooth receiver included - control volume, play, pause, and skip with an easy to use rocker switch design..
Stealth-6 SURGE - Four 3" mid drivers, two 1" Tweeters.
550 Watts of Sounds for your UTV, ATV, Boat, or any other 12 Volt vehicle..

Bluetooth receiver included - control volume, play, pause, and skip with an easy to use rocker switch design..
Stealth-6 SURGE - Four 3" mid drivers, two 1" Tweeters.
450 Watts of Sounds for your UTV, ATV, Boat, or any other 12 Volt vehicle..

Bluetooth receiver included - control volume, play, pause, and skip with an easy to use Volume Knob design..
Stealth-10 SURGE - Eight 3" mid drivers, two 1" Tweeters.
800 Watts of Sounds for your UTV, ATV, Boat, or any other 12 Volt vehicle..

THX Ultra Certified: THX engineers completed hundreds of different scientific tests to ensure the highest audio performance possible..
THX Certified Ultra products are for large sized rooms, up to 3,000 cubic feet in size, with a 10-12 foot viewing distance from the screen..
12" Woofer: Enclosed in a cabinet made from HDF material, massive internal bracing, and outfitted with dual ports that can utilize a foam plugs to run the subwoofer in a sealed mode..
500 Watt Amplifier: Each amplifier's transfer function, power output limiting and thermal protection are monitored to the millisecond and are customized for each individual driver..
The high efficiency Class D amplifier modules are based on a proven topology that has been continuously refined over the past 4 years. The amplifier has vast reserves of power for highly accurate, deep bass for your home theater or music system..

12" Woofer: The Monolith 12" driver was developed from the ground up, with a design focus on achieving output, accuracy, dynamics, and linearity, while minimizing distortion. Enclosed in a cabinet made from HDF material, massive internal bracing, and outfitted with two ports that can utilize foam plugs to run the subwoofer in a sealed mode..
500 Watt Amplifier: The 500W RMS amplifier is built around a Texas Instruments 48‑bit data path (with 28‑bit filter coefficients) and DSP engine. Each amplifier's transfer function, power output limiting, and thermal protection are monitored to the millisecond and are customized for each individual driver. The high efficiency Class D amplifier modules are based on a proven topology that has been continuously refined over the past 4 years. The amplifier has vast reserves of power for highly.
Cabinet and Internal Bracing: HDF (High Density Fiberboard), not MDF, was utilized resulting in a sonically inert cabinet. Internal bracing has been strategically placed to increase overall cabinet strength and limit unwanted panel vibrations that would cause discoloration and distortion. The strong cabinet and bracing combine to ensure you hear massive amounts of bass, not cabinet resonances..

... Woofer: The Monolith 10" driver was developed from the ground up, with a design focus on achieving output, accuracy, dynamics, and linearity, while minimizing distortion. Enclosed in a cabinet made from HDF material, massive internal bracing, and outfitted with a single port that can utilize a foam plug to run the subwoofer in a sealed mode..
500 Watt Amplifier: The 500W RMS amplifier is built around a Texas Instruments 48‑bit data path (with 28‑bit filter coefficients) and DSP engine. Each amplifier's transfer function, power output limiting, and thermal protection are monitored to the millisecond and are customized for each individual driver. The high efficiency Class D amplifier modules are based on a proven topology that has been continuously refined over the past 4 years. The amplifier has vast reserves of power for highly.
Cabinet and Internal Bracing: HDF (High Density Fiberboard), not MDF, was utilized resulting in a sonically inert cabinet. Internal bracing has been strategically placed to increase overall cabinet strength and limit unwanted panel vibrations that would cause discoloration and distortion. The strong cabinet and bracing combine to ensure you hear massive amounts of bass, not cabinet resonances..