Our Verdict 
Not capable enough to worry the class-leaders, but still worth an audition – not least if looks are a priority
For 
Well-built, attractive design
Spacious, solid sound
Against 
Muggy midrange and treble
Need more dynamic subtlety
Reviewed on

Sony's had a great deal of success with its MDR-EX650AP budget in-ears, and now it's going for gold in the on-ear marekt with the MDR-ZX660APs.

One thing’s for sure, they certainly have the look of a title-holder.

Build

If you thought £50 could only stretch to economical materials and cheap-looking designs, think again.

A smart fusion of matte plastic and 'pleather', the Sonys come in a plush champagne finish, alongside white or black (we’d say it was more charcoal) to go with your best suit. There are also black finishes with choice of green, orange or blue trims.

These rugged Sonys are built to last, though not too big to hang around your neck or occupy the side pocket of your gym bag.

Even the flat (1.2m) cable, which guarantees you won’t spend the first song of your playlist untangling knots, is reliably hardy.

More after the break

The well-cushioned pads cling securely onto your ears like their life depends on it, but they are not so tight that it’s uncomfortable.

For cans without active noise-cancelling, they’re pretty good at keeping out street noise too.

And if the fit isn’t quite right the first time, the supportive headband’s sliding adjustment can extend both sides for greater flexibility.

MORE: Awards 2015: On-ear headphones

Sound

The first thing that hits us is their open, spacious sound. The monumental riffs in The Jeff Healey Band’s cover of While My Guitar Gently Weeps have acres of room, with accompanying instruments planted precisely and naturally around them.

There’s decent detail and texture too, and the delivery is lathered with rhythmic energy, encouraging enthusiastic toe-tapping to the walking bass line.

Generous helpings of bass (albeit not the punchiest around) lend a hand to a solid midrange, giving a hefty backing to the presentation.

Sadly, that pronounced low-end overrides the rest of frequency range. The knock-on effects are a slightly muggy midrange, where piano notes lose their crisp edge, and a subdued treble.

This not only costs the Sonys tonal balance, but outright bite and clarity too.

Verdict

They can’t compete with the class-leading AKG Y50s, which have the upper hand in dynamic subtlety too.

What's more, the MDR- ZX660AP’s monotone pitch can’t quite capture the intensity of the track’s dynamic swings.

Despite sonic deficiencies, these Sonys are a good option for the money, and they could well last a lifetime.

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Sony MDR-ZX660AP
£36.61
£44.99
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£44.99
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£25.75
The Competition 

AKG Y50

Our Rating 
85%
Price from £83.99

Beyerdynamic DTX 501 p

Our Rating 
100%
Price from £48.33

Philips CitiScape Downtown

Our Rating 
0%
Breakdown 
Sound
Build
Comfort
Features