M40.3 XD
The absolute pinnacle of speaker design
Recommended as “the most musical monitor ever made”.
This is the result of a passion for and relentless pursuit of audio perfection. Building on the global success of the award-winning M40.2 40th Anniversary Edition, the new generation of Harbeth achieves a leap in performance. Stunning realism, expansive bass, and lifelike transparency deliver the ultimate experience even for the most discerning listener.
The M40.3 XD is adaptable to various listening environments, accurate across the entire audio frequency range, emotionally engaging, and easy to drive, taking the acclaimed Harbeth sound to a new level.
Get ready for an unprecedented and truly enjoyable musical experience.
TECHNICAL SPECIFICATIONS
Technical Features
3-way vented:
300mm Harbeth bass unit;
200mm Harbeth RADIAL2™ mid;
25mm ferrofluid-cooled tweeter.
Frequency response
35Hz – 20kHz, ±3dB free-space, grille on, smooth off-axis response
Impedance
6-8 ohms, easy to drive
Sensitivity
86dB/2.83V/1m axial
Amplifier suggestion
Works with a wide range of amplifiers – suggested from 35W/channel
Power handling
650W programme
Dimensions
750 x 432 x 388 mm (+12mm for grille and binding posts)
Connectors
Two WBT-nextgen binding posts
Weight
38kg each (without packing)
Space needs
Ideally free-space away from walls.
Stands
Optimally to bring ears level with tweeters. (Tweeter: 660mm up from cabinet base)
Packing
Single speaker per protective carton
Grille colour
Black






