Martin Logan EFX Electrostatic On-Wall Surround Black In-Ceiling Speakers Therefore we designed it to

Therefore we designed it to be regulated and well filtrated for better performance of the complete package

Use low-voltage CAT6 cables to deliver power to your speaker safely and efficiently

the MC-low and MC-high impedance (gain) inputs each have independent MC transformers and are selectable using the MC impedance lever switch

With its integrated powerful amplifier and comprehensive connectivity options

Martin Logan EFX Electrostatic On-Wall Surround Black In-Ceiling Speakers Therefore we designed it toProduct Overview Get off the floor and on the wall with the EFX electrostatic on wall speaker. This versatile on wall electrostat is the perfect surround speaker for any MartinLogan home theatre system. Surround Yourself with EFX MartinLogan is proud to introduce the slim, on wall EFX hybrid electrostatic loudspeaker, featuring XStat technology, dramatically reducing cabinet size, yet establishing new standards for efficiency, dynamics and precision.