Wharfedale DIAMOND12.3DI 3D Atmos Surround Speaker Pair Walnut

Wharfedale Diamond 12.3Di – Precision Surround Sound, Refined for Modern Systems

The Wharfedale Diamond 12 Series has long been celebrated for delivering high-value, high-performance audio across music and cinema setups. With the introduction of the updated Diamond 12i finishes, Wharfedale has expanded this design philosophy into the surround and height speaker category with the Diamond 12.3Di—a compact yet highly capable Atmos and surround solution crafted for modern home cinema environments.

Rather than redefining what made the Diamond 12 range so successful, Wharfedale has chosen to enhance it. The 12.3Di benefits from upgraded aesthetics and detailed engineering refinements, preserving the natural, balanced character of the Diamond range while heightening clarity, control, and immersion.

Designed to Blend In — Engineered to Stand Out

The Diamond 12.3Di integrates effortlessly into contemporary living spaces thanks to a choice of premium new finishes:

• All-Black – A deep semi-matte look that delivers a clean, understated presence.
• Classic Walnut with Black Baffle – A modern twist on a traditional aesthetic, combining warmth with sophistication.
• Stone Grey – A stylish, minimalist finish designed for today’s interiors.

Every finish elevates the visual appeal of the Diamond series without overshadowing its acoustic heritage.

Compact Form, Expansive Performance

As a dedicated 2-way height and surround speaker, the Diamond 12.3Di is tailored for immersive audio formats such as Dolby Atmos and DTS:X, as well as traditional multi-channel configurations. Its closed-box enclosure ensures precise acoustic behaviour when wall-mounted or ceiling-positioned, offering controlled low-frequency response and tighter integration with AV receivers and subwoofers.

Key Specifications – Wharfedale Diamond 12.3Di

• General Description: 2-way Atmos / surround speaker

• Enclosure Type: Closed-box system

• Bass Driver: 4" (100mm) Klarity™ cone

• Tweeter: 1" (25mm) textile dome

• Sensitivity: 82dB

• Recommended Amplifier Power: 20–100W

• Nominal Impedance: 8Ω compatible (minimum 4.3Ω)

• Frequency Response (+/-3dB): 110Hz – 20kHz

• Bass Extension (-6dB): 90Hz

• Crossover Frequency: 3kHz

• Cabinet Volume: 2.7L

• Dimensions (H × W × D): 145 × 180 × 310 mm

• Net Weight: 3.2kg each

Acoustic Engineering Highlights

Klarity™ Mid/Bass Driver

The 4" Klarity™ cone uses Wharfedale’s advanced polypropylene/mica blend for optimal stiffness, damping, and speed. The result is articulate dialogue, precise atmospheric cues, and seamless integration with the rest of the Diamond range.

Refined Textile Dome Tweeter

A 25mm woven polyester dome delivers smooth, extended high frequencies with excellent dispersion—crucial for convincing overhead effects and enveloping surround sound.

Closed-Box Accuracy

The sealed enclosure design ensures predictable acoustic behaviour in a wide variety of placements, from wall mounting to height-channel elevation. This enhances clarity and prevents unwanted resonance, particularly in constrained or reflective rooms.

A Seamless Extension of the Diamond 12i Family

The Wharfedale Diamond 12.3Di embodies the thoughtful evolution behind the Diamond 12i series: fresh, modern finishes paired with refined engineering and the same musical integrity that defines the Diamond name. Whether used for Atmos height channels or rear surrounds, the 12.3Di adds precision, cohesion, and immersive detail to any multi-channel setup.

A compact speaker that completes the Diamond ecosystem—beautifully, discreetly, and sonically with confidence.