Monitor 40.3 XD


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Harbeth Monitor 40.3 XD

The Absolute Pinnacle Of BBC Loudspeaker Design

Priced & Sold Per Pair


The result of a passionate and tireless quest for audio perfection. Built on the success of the global award winning M40.2 40th Anniversary, this new generation Harbeth achieves a leap in performance delivery. Stunning realism, expansive bass and lifelike transparency delivers an ultimate experience for even the cognoscenti Adaptable to a wide range of listening environments, accurate across the entire audio band, emotionally engaging and easy to drive, the M40.3 XD takes the acclaimed Harbeth sound to its highest level.

More efficient, adaptable to a wide range of listening environments, perfectly balanced across the entire audio band, more transparent, engaging and easier to drive, the M40.2 takes the acclaimed Harbeth sound to a new level of realism.

With a mesmerising and addictive presentation, Harbeth’s flagship produces a grand, dynamic and unforgettable sonic experience. A loudspeaker certainly, but not a speaker listening experience.


Transducer system: 3-way vented: 300mm Harbeth bass unit; 200mm RADIAL2™ mid; 25mm ferro-cooled soft dome tweeter

Frequency response: 35Hz - 20kHz ±3dB free-space, grille on, smooth off-axis response

Impedance: 6-8 ohms, easy to drive

Sensitivity: 86dB/1W/1m

Amplifier suggestion: Works with a wide range of amplifiers, suggested from 35W/channel

Power handling: 650W program

Connectors: Two 4mm gold-plated binding posts for wires or plugs

Dimensions: 750 x 432 x 388mm (+12mm for grille and binding posts)

Space needs: Ideally free-space away from walls

Stands: Optimally to bring ears level with tweeters. (Tweeter: 660mm up from cabinet base)

Weight: 38kg each

Packing: Single speaker per protective carton

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