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Audiolab M-EAR 4D Earphones


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Found it cheaper? Click here. SKU: ADLMER4D
Ex VAT: £582.50

High end IEMs with a 3-way design that features 4 drive units; 1 each for HF/mids and 2 for bass. We also sell the 2-way M-Ear 2D earphones

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Condition: Brand new in original retail packaging

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Warranty length 2 Years
Colour Black
Brand Audiolab

Tech Specs

- Config: 4 bal armature drivers
- Crossover: Three-way system
- Noise isolation: -26dB
- Freq response: 20Hz-20kHz
- Impedance: 66 Ohms (@1kHz)
- Out (Sensivity): 115dB @ 0.1V (1kHz)
- Cable: 1.45m detachable
- In-line microphone: SiSonic MEMS
- Weight: 20.5g


- 6 memory foam ear tips
- carrying case

Product Description

Audiolab M-EAR 4D Earphones, along with the 2 way M-Ear 2D, presents the brand's move into the world of high-end headphones. They were created in partnership with IEM specialists ACS.


M-Ear 4Ds feature a three-way design with four drive units; one for high frequencies, another for midrange and two for bass. The bass drivers also have a ported balanced armature design. It features ACS technology, including SSI (‘sound stage imaging’) which aims to widen the soundstage.


Audiolab is renowned for its hi-fi components, particularly amplifiers, CD players and DACs including the Award-winning M-DAC. Headphones are new territory for the British brand but if their previous products are anything to go by, these new M-Ear earphones are set to be a hugely successful and popular range.

Best Sound

Both M-EAR models feature ACS’s patent-pending IRIS (Intelligent Resonance In Silicone) technology, created to maximise the musical potential of balanced armature drivers. IRIS construction methods allow precise acoustic tuning, fusing the crisp, open detail that characterises high-performance balanced armature IEMs with a musical warmth and fluidity that other manufacturers fail to match. Additionally, the M-EAR 4D incorporates a ported balanced armature design for the bass drivers, with a cavity in the silicone that is precisely balanced to the driver – this is unique to ACS.

SS Imaging

Another ACS feature integrated in both M-EAR models is SSI (Sound Stage Imaging); a tuning technique derived from ACS’s purpose-designed manifold technology. This widens the soundstage and creates more space around individual instruments and voices, enhancing sonic definition and the feeling of being present at a live musical performance. The result, in the case of the M-EAR 2D, is a pair of discrete IEMs delivering taut, punchy bass, captivating midrange clarity and crisp, clean high-frequency detail, with no harmonic interference. Invest in the M-EAR 4D and the sonic return is even greater space, scale and dynamic expression.


There’s an in-line microphone for hands-free calling, which is designed to work well in noisy environments. The 4D comes with a 1.45m detachable cable, six pairs of memory-foam ear tips in three different sizes, and a carry case.

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