MartinLogan Motion SLM Speaker
Best ultra-slim speaker for upgrading thin television audio without sacrificing space.
This is the rare wall-hugging speaker that actually sounds like a serious audio system rather than an afterthought. By trading the bulky cabinet depth of traditional speakers for advanced driver technology, it delivers the clarity and punch your thin television desperately lacks without cluttering your living room.
$584.99
at
Hi-Fi Heaven
Who it's for
- Audiophiles seeking precise, crystal-clear high-frequency performance
- Design-conscious homeowners wanting a sleek, wall-mounted aesthetic
- Home theater builders needing versatile, multi-purpose speaker placement
Who should skip it
- Bass enthusiasts requiring deep, cinematic low-end impact
- Budget-focused shoppers prioritizing acoustic performance over slim design
- Minimalist users lacking space for robust external amplifiers
Performance breakdown
Form Factor Integration
Ultra-slim profile disappears seamlessly beneath modern, wall-mounted televisions.
High-Frequency Clarity
Folded Motion tweeter delivers crisp, detailed highs without harshness.
Bass Depth
Passive radiators provide surprising low-end punch for such a shallow cabinet.
Soundstage Dispersion
Wide 80-degree coverage ensures an immersive experience across the entire room.
Mounting Versatility
Flexible wall-mount and freestanding options adapt to any home theater layout.
Dynamic Range
Handles sudden volume shifts with impressive composure and refined musicality.
Key Specs
Frequency Response
100–25,000 Hz ±3dB
Recommended Amplifier Power
20—140 watts per channel
Horizontal Dispersion
80°
Vertical Dispersion
80°
Sensitivity
94 dB/2.83 volts/meter
Impedance
4 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers.
Crossover Frequency
3,100 Hz
High Frequency Transducer
1″ × 1.4″ (2.6cm × 3.6cm) Folded Motion Transducer with 5.25″ × 1.75″ (13.3cm × 4.4cm) diaphragm
Low Frequency Transducer
Two 4” (10.2cm) paper cone. Four 4” (10.2cm) paper cone passive radiators.
Components
Custom air core coil inductors. Polyester film capacitors in series and low DF electrolytic capacitors in parallel. Overall system thermal/current protection.
Know before you buy
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