M4 Upgrade

$2,400.00

Designed to be a direct replacement for the crossover box that shipped with your original M4 speakers. However, the wiring inside the M4 baffle would also need to be changed to accommodate the new 2.5-way design for a significant improvement.

What you can expect from any of the upgrades offered - Improved soundstage, more precise imaging, more open/holographic presentation. Better clarity and detail across the entire frequency spectrum and deeper bass extension.

  • 2.5-way crossover (change from 2-way original)**

  • -5 dB sensitivity from stock

  • 4 ohm impedance

  • 27 Hz - 40 kHz frequency response

  • baffle wiring upgrade

  • 45-day in-home trial

  • price includes crossover shipping to contiguous United States

  • Price shown for pair

    ** customer must pay to ship baffles to/from Spatial Audio Lab for wiring change

Designed to be a direct replacement for the crossover box that shipped with your original M4 speakers. However, the wiring inside the M4 baffle would also need to be changed to accommodate the new 2.5-way design for a significant improvement.

What you can expect from any of the upgrades offered - Improved soundstage, more precise imaging, more open/holographic presentation. Better clarity and detail across the entire frequency spectrum and deeper bass extension.

  • 2.5-way crossover (change from 2-way original)**

  • -5 dB sensitivity from stock

  • 4 ohm impedance

  • 27 Hz - 40 kHz frequency response

  • baffle wiring upgrade

  • 45-day in-home trial

  • price includes crossover shipping to contiguous United States

  • Price shown for pair

    ** customer must pay to ship baffles to/from Spatial Audio Lab for wiring change