Martin Logan ML-75R

The MartinLogan ML‑75R is a premium landscape-rock outdoor speaker that seamlessly integrates high-fidelity stereo sound into your outdoor space. Its faux-stone, weather-sealed enclosure is built to withstand the elements while dissolving into your landscape design. Featuring a 7.5″ woofer with dual voice coils and twin titanium tweeters, the ML‑75R delivers clear, full-range stereo quality—from a single unit.

Martin Logan ML-75R Outdoor Speaker

Stereo-ready turnkey design: Includes a 7.5″ mineral-filled polypropylene woofer with dual voice coils and two 1″ titanium dome tweeters—delivers left/right stereo from a single rock-style enclosure
Authentic rock appearance: Faux-stone, fully sealed, mineral-filled reinforced enclosure designed to blend into outdoor landscaping confidently
Weather-resistant construction: Features stainless-steel grilles resistant to water & UV exposure, built for long-term outdoor durability
Pre-installed stereo wiring: Dual input channels—enable full stereo playback from a single speaker or pair them for dual mono configurations
Robust size & weight: Measures ~15.2″H × 13.4″W × 13″D and weighs around 17 lb (7.7 kg)

Frequency Response

63–20,000 Hz ±2dB

Recommended Amplifier Power

20—80 watts per channel

Recommended Amplifier Power (Stereo)

20 watts × 20 watts ‒ 160 watts × 160 watts

Sensitivity

90 dB/2.83 volts/meter

Impedance

8 Ohms per channel/connection. Compatible with 4, 6 or 8 ohm rated amplifiers. Compatible with 4, 6, or 8 Ohm rated amplifiers.

Crossover Frequency

2500 Hz