MartinLogan Motion SLM X3 Ultra-Slim Folded Motion 3-Channel Soundbar


Free Lifetime Technical Assistance
SKU: Motion SLM X3


Ultra-Slim Folded
Motion Speakers

Motion SLM X3’s 3-channel soundbar design gives you a
complete stereo and center soundstage, with three Folded Motion tweeters and
six 4-inch ultra-slim fiber cone woofers.

Inspired Sound

Inspired by MartinLogan’s ultra-high-end electrostatic
loudspeakers, the Motion Series was created to provide stunning sound for your
ultimate-performance home theater or stereo. MartinLogan’s dedicated in-house
engineers carefully crafted the Motion Series to create an extremely affordable
and compact product line that seamlessly blends our exquisite Folded Motion
transducers with powerful, compact bass technology. The result is a smooth,
refined sound with stunning dynamic range and jaw-dropping clarity.

The Audible Truth
About Thin TVs

TV manufacturers are pushing the physical limits of
electronics, making TVs that are thinner than ever at less than 2-inches from
the wall. While they look great, creating a thinner television means making
compromises to the built-in speakers; tiny drivers, cheaper parts, reduced
cabinet volume and placement behind the TV create unnatural,
lifeless sound. Worse yet, these speakers are usually underpowered, and easily
distort when you turn up the volume. Motion SLM speakers provides a clean, easy
to install solution for elevating the aural experience that has been sacrificed
with ultra-thin TV technology.

The Perfect LCR

For applications where on-wall installation is not an
option, SLM, SLM XL, and SLM X3 include “kick-stand” brackets that attach to
the back of the cabinet, allowing them to free-stand beneath a television.

Frequency Response

120–25,000 Hz ±3dB


80° x 80°


93 dB/2.83 volts/meter

Nominal Impedance

4 Ohms. Compatible with 4, 6 or 8 ohm rated amplifiers.

Recommended Amplifier Power

20-140 watts per channel

Crossover Frequency

3,000 Hz

Crossover Components

Custom air core coil inductors. Polyester film capacitors
in series and low DF electrolytic capacitors in parallel. Overall system
thermal/current protection.

High Frequency Transducer

Three 1″ × 1.4″ (2.6cm × 3.6cm) Folded Motion
Transducer with 5.25″ × 1.75″ (13.3cm × 4.4cm) diaphragm

Low Frequency Driver

Six 4” (10.2cm) paper cone.

Binding Posts

Low-profile push style


13lbs. (5.9kg) each

Overall Dimensions


6.3 x 48 x 2 (16.2cm x 122cm x 5.1cm)

Additional information

Weight 0.00000000 lbs


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