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alaTest has collected and analyzed 6 reviews of PSB M4U 4. The average rating for this product is 4.1/5, compared to an average rating of 4.0/5 for other Headphones for all reviews. People are impressed by the portability and durability. The comfort and design also get good comments. Views are divided on the sound. Many are critical about the bass quality and price.

usability, design, comfort, durability, portability

price, bass quality

We analyzed user and expert ratings, product age and more factors. Compared to other Headphones the PSB M4U 4 is awarded an overall alaScore™ of 86/100 = Very good quality.

Review analysis

(Based on 6 reviews)

Expert Reviews  

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Showing 1 - 3 of 3 Show Reviews: in English | in other languages (3)

Expert review by : What Hi-Fi? (

PSB M4U 4 review


Premium in-ear headphones with a pleasant, easy-listening vibe...

Solid sound ; Smooth presentation ; Good detail and weight ; Comfortable and sturdy design

Bass is too rich and sludgy ; Sound could be more exciting ; Pricey

They’re not perfect, but these pricey in-ears are worth a listen for their easy-listening vibes

Feb, 2016

Expert review by : What Hi-Fi? (

PSB M4U 1 review


Clean, lively treble ; Energetic sound

Sound loses composure at high volume

An upbeat, unfussy pair of headphones that should find many fans

Jan, 2014

Sound & Vision TOP PICK

Expert review by : Steve Guttenberg (

PSB Speakers M4U 4 Headphone


The PSB Speakers M4U 4 blocks a good amount of external noise, feels comfy, and sounds sweet. What's not to like? But can I ask if you have been using the Comply foam tips? For me, they deaden the treble so I use the small supplied silicone tips...

Two-way hybrid dual-driver design; User-replaceable cables; Two-year warranty

Resolution no match for all-armature in-ear designs

Dec, 2015

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