MartinLogan EFX On-Wall Electrostatic Speaker (Pair)

Legendary Electrostatic Sound. Designed for the Wall.

Bring MartinLogan's unmistakable electrostatic clarity to your home theater with the MartinLogan EFX, a sophisticated on-wall loudspeaker combining exceptional transparency, precise imaging, and space-saving design.

Featuring MartinLogan's renowned XStat CLS electrostatic transducer, the EFX delivers the speed, detail, and realism that have made MartinLogan a favorite among serious music and home theater enthusiasts.

Its slim 6.5-inch-deep cabinet incorporates a high-performance 6.5-inch woofer for rich, articulate midbass, while the large electrostatic panel reproduces vocals and fine musical details with remarkable accuracy.

Designed for use as a premium surround speaker or a wall-mounted front-channel loudspeaker, the EFX includes an adjustable wall-mounting bracket that allows precise positioning toward the listening area.

Key Features

• XStat CLS electrostatic panel for exceptional transparency and detail

• 241-square-inch electrostatic radiating area

• High-performance 6.5-inch fiber-cone woofer

• Slim, wall-mounted hybrid electrostatic design

• Included pivoting wall-mount bracket

• Precision Vojtko crossover network

• Custom five-way speaker binding posts

• Low-voltage DC power supply for electrostatic panel operation

• Excellent complement to MartinLogan electrostatic home theater systems

• Elegant black finish

Technical Specifications

Speaker Type: Hybrid electrostatic on-wall loudspeaker
Frequency Response: 68 Hz – 22 kHz (±3 dB)
Electrostatic Panel: XStat CLS, 28" × 8.6"
Radiating Area: 241 square inches
Woofer: 6.5" high-excursion fiber-cone driver
Sensitivity: 90 dB / 2.83V / 1m
Nominal Impedance: 6 ohms (1.3 ohms at 20 kHz)
Recommended Amplifier Power: 20–300 watts/channel
Crossover Frequency: 530 Hz
Horizontal Dispersion: 30°
Dimensions: 48.8" H × 9.4" W × 6.5" D
Weight: 24.5 lbs each
Connections: Five-way binding posts
Mounting: Included pivoting wall bracket
Finish: Black
Sold Individually

Experience MartinLogan at Audible Elegance

At Audible Elegance in Cincinnati, we specialize in premium stereo and home theater systems that deliver exceptional performance without compromise.

Whether you're creating a dedicated theater or upgrading an existing MartinLogan system, our team can help you select the right speakers, amplification, and installation approach for your room.

Visit our Montgomery showroom and discover the extraordinary clarity of electrostatic sound.

Shop Online. Hear It Here.