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Bookshelf Speakers — Martin Logan Motion 4i

Description, images, technical data and specifications

Martin Logan Motion 4i
Image source — © Martin Logan

Inspired by the clarity and detail of Martin Logan's ultra-high-end electrostatic speakers, the Motion 4i features a Folded Motion tweeter, dual 4-inch paper-diffuser subwoofers, and its own Vojtko crossover network in a compact and affordable package.

Specifications

  • Model name

    Motion 4i

  • Frequency Response low +/- 3dB (Hz)

    70

  • Frequency Response high +/- 3dB (Hz)

    23 000

  • Sensitivity (dB at 1 W/1m)

    90

  • Impedance (Ohms)

    4

  • Power amplifier requirements (W)

    20 - 150

  • Has internal amplification

    N/A

  • Internal amplification power (W)

    N/A

  • Size (sm)

    32 x 14.3 x 14.5

  • Weight (kg)

    2.72

  • Official link

    https://www.martinlogan.com/en/product/motion-4i

Martin Logan Motion MP10

Martin Logan Motion 2i

More components

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    For those who are looking for a more complete sound rack or shelf mounting solution, it will be difficult to find a better solution than Foundation B2. Its 6.5-inch aluminum midrange driver delivers impressive bass, and the Gen2 Obsidian Folded Motion Tweeter S works in combination with a Folded Motion waveguide to envelop your listening area with beautiful sound.

  • Motion Foundation B1

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    The Martin Logan Motion Foundatio B1 is small in size but reliable, the most compact model offering unprecedented performance with such a versatile size. The Obsidian Generation 2 Folded Motion TweeterS, the Folded Motion Waveguide, and the 5.5-inch aluminum midrange driver work together here to create a completely unexpected and immersive compact experience.

  • Motion 2i

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    The Martin Logan Motion 2 i is a passive wall-mounted speaker system. The presented model is suitable for both regular listening to music and as an element of a home theater for watching movies, games or videos on the Internet. The sensitivity of the system is 86 dB, and the frequency range is 115 Hz - 23 kHz.

  • Motion MP10

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  • Motion B10

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    The Martin Logan Motion B10 is a bookshelf speaker whose impressive performance, thanks to Gen2 FMT and Woven Fiberglass drivers, provides musicality and scale that are atypical for their size. With a depth of less than 10 inches, the Motion B10 is a practical option for placing on a shelf, table, cabinet or other flat surface.

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