Motion FX vs Motion 30
The Motion 30 matches the Motion FX on sensitivity (91 dB), impedance (4Ω), high-frequency extension (25 kHz), and ways (2).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersCenter Channel SpeakersBookshelf SpeakersDiscontinued
Estimated price (community-sourced)
$176
Around — community and catalog average, updates slowly
About the Motion FX
The MartinLogan Motion FX is a dedicated wide-dispersion surround speaker designed for home theater use, featuring dual Folded Motion tweeters and a Folded Motion cascading bass-reflex port for deep, detailed bass response. It is voice-matched with MartinLogan ESL speakers to deliver smooth, refined sound with excellent dynamic range and clarity in multichannel systems. A bipole-style wide dispersion pattern (approximately 160 degrees horizontal by 80 degrees vertical) provides enveloping surround effects, making it suitable for small, medium, and large rooms.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 4Ω
- Frequency Response
- 70 Hz - 25 kHz
- Power Handling
- 160W
- Min. Amplifier Power
- 20W
- Max. Amplifier Power
- 160W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- dynamic
- Driver Size
- 5.25"
- Driver Count
- 3
- Enclosure Type
- ported
- Crossover Frequency
- 4.5 kHz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 304.8 × 282.6 × 152.4 mm (W × H × D)
- Weight
- 4.31 kg (10 lbs)
Key Specifications
Sensitivity: 91 dB
Impedance: 4Ω
Frequency: 70-25000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions