Harbeth Monitor 40.3 XD

The pinnacle of speaker design

The Harbeth Monitor 40.3 XD marks the pinnacle of audiophile loudspeaker technology and sets new standards in sound reproduction. As a further development of the award-winning M40.2 40th Anniversary, the M40.3 XD offers an unprecedented combination of realistic transparency, impressive bass and emotional depth. For demanding listeners who are looking for absolute sound perfection, this loudspeaker delivers an incomparable music experience.

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Outstanding sound quality – for the highest demands

The Harbeth Monitor 40.3 XD is a 3-way bass reflex loudspeaker with groundbreaking technology:

• 300mm Harbeth bass unit: For deep, precise and powerful bass.
• 200mm RADIAL2™ midrange driver: Outstanding clarity and detail reproduction, ideal for vocals and acoustic instruments.
• 25mm ferrofluid-cooled tweeter: Perfect high-frequency reproduction for a balanced sound.

The frequency reproduction (35Hz – 20kHz) and the seamless integration of the drivers ensure a realistic and immersive sound experience.

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flexibility and adaptability

The M40.3 XD is optimized for a wide range of listening environments. With an impedance of 6-8 ohms and a sensitivity of 86 dB, it can be easily driven with a wide range of amplifiers. Thanks to its precise construction, it is suitable for both private music lovers and professional applications in recording studios.

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Design and workmanship – quality that convinces

The handcrafted cabinets of the Harbeth M40.3 XD are made of the finest veneers, which are not only visually impressive but also acoustically impressive. The elegant design fits seamlessly into sophisticated living spaces, while the construction guarantees maximum acoustic performance.

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Target group – For demanding listeners and audiophiles

This speaker is aimed at:

• Audiophiles who are looking for absolute sound precision and musicality.
• Professional sound engineers who require unadulterated sound reproduction.
• Music lovers who want a top-class speaker system for their home listening environment.

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Care and Maintenance – For lasting perfection

To preserve the beauty and performance of your Harbeth M40.3 XD , please follow these care instructions:

• Clean the case with a soft, dry cloth to remove dust.
• Avoid direct sunlight to protect the precious veneers.
• To ensure optimal sound quality, place the speaker in a well-ventilated location.

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Technical data:

• Technical features:
  • 3-way bass reflex:
    • 300mm Harbeth bass unit
    • 200mm RADIAL2™ midrange driver
    • 25mm ferrofluid-cooled tweeter
• Frequency response: 35Hz – 20kHz, ±3dB (free space, with cover)
• Impedance: 6-8 Ohm, easy to drive
• Sensitivity: 86dB/2.83V/1m axial
• Amplifier recommendation: From 35 W/channel, suitable for up to 650W amplifier power
• Dimensions: 750 x 432 x 388 mm (+12mm for cover and connections)
• Weight: 38 kg (per speaker, without packaging)
• Connections: Two 4mm Harbeth binding posts
• Optimal placement: Freestanding, away from walls
• Stand: Optimal position with tweeter at ear level (660 mm from the bottom of the cabinet)
• Grille color: Black
• Case finish: Handcrafted veneers with unique color and structure variations