THX Ultra Subwoofer with Deep, Controlled Push-Pull Bass
The M&K Sound X12+ Dual 12" THX Subwoofer With 1200 Watt Amp combines exceptional low-frequency output with the speed, accuracy, and control required for reference-level home theater and music systems. Two 12-inch extra-long-throw carbon-fiber woofers operate in M&K Sound’s signature push-pull configuration to reduce nonlinear distortion and produce clean, symmetrical bass.
Its high-efficiency amplifier delivers 600 watts RMS and up to 1,200 watts peak, giving the X12+ the dynamic headroom needed for demanding soundtracks and full-scale musical performances. Balanced XLR and unbalanced RCA connections, adjustable phase, selectable EQ, and flexible crossover controls make it easy to integrate into advanced stereo and surround systems.
Highlights & Benefits
Dual 12" Extra-Long-Throw Woofers — Move substantial amounts of air for powerful cinematic impact and convincing musical weight.
THX Certified Ultra Performance — Engineered to deliver reference-level bass in appropriately sized home cinema environments.
1,200-Watt Peak Amplifier — Supplies the dynamic headroom needed for intense movie effects and demanding bass transients.
Balanced and Unbalanced Connectivity — XLR and RCA inputs and outputs support a wide range of processors, receivers, and preamplifiers.
Technology & Design
Carbon-Fiber Woofer Cones — Rigid, lightweight carbon-fiber construction supports high excursion while maintaining precise control during demanding low-frequency passages.
Signature Push-Pull Architecture — One woofer is inverted relative to the other so their nonlinear characteristics oppose one another, producing cleaner and more symmetrical output.
Distortion Killer Shorting Rings — CNC-machined extruded-aluminum rings help stabilize the magnetic system and reduce driver distortion throughout the operating range.
Rigid Sealed Enclosure — Full 25mm MDF construction and extensive internal bracing reduce panel vibration, port noise, and unwanted cabinet coloration.
FAQ — M&K Sound X12+
What does THX Certified Ultra mean?
THX Certified Ultra indicates that the X12+ has been independently evaluated for reference-level performance in larger home theater environments when properly installed and calibrated.
Does the X12+ have a 1,200-watt amplifier?
The built-in amplifier is rated at 600 watts RMS and 1,200 watts peak. The peak rating represents the amplifier’s short-term output capability during demanding bass transients.
Why does the X12+ use two opposing woofers?
The push-pull arrangement places one woofer in an inverted orientation. This helps cancel nonlinear distortion generated by the drivers and produces cleaner bass at high output levels.
Does the X12+ include automatic room correction?
No. The subwoofer provides manual level, phase, crossover, bypass, EQ, and power controls. Automatic room correction can be applied through a compatible AV receiver, processor, or external calibration system.
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