As long as you don’t find their treble response puts your teeth on edge too badly, there’s really no reason not to give them thorough consideration.

Wide-open; lavishly detailed and informative sound; Fine touch- and app-control; More comfortable than they look

Don’t really look or feel the money’s-worth; Periodically spiky treble; Humdrum battery life

It would be foolish to spend upwards of £100 on an MP3 player and then not bother to upgrade the headphones, and when you do there's a raft of companies vying for your money. Sennheiser has always been strong on the budget headphones front and its latest CX400s - the follow-up to the incredibly...

While slightly compromised in the features department, the CX 400BT are sonic marvels – and, at this price, hugely appealing

Lively; detailed sound; Lightweight fit; Excellent value for money

Battery life below the best; Not waterproof

Great sound quality and I prefer these over my Beats headphones. Sale price was 50 percent off so great value.

These buds need break in, both sound and ear tips. After a few days they really perform, so be patient.

sounds great

If you’re one of those people who enjoy listening to music while on the go, don’t worry, you’re not alone. Music soothes and keeps us going during hectic days, so you’d want a pair of earbuds that produce superior sounds.

Sennheiser want to demonstrate that — in addition to their excellent Momentum True Wireless , which are right at the top of the charts both in terms of hit lists and price — they are quite capable of catering to the upper mid-range of the market.

Some may lament the lack of ANC, but the CX 400T deliver where it counts: sound. With a similar audio performance to the premium Momentum TW2, they offer excellent audio at a more affordable price.

Excellent sound; Pretty comfortable to wear; Unassuming design

Volume limited; Slightly disappointing battery life

Some may lament the lack of ANC, but the CX 400T deliver where it counts: sound. With a similar audio performance to the premium Momentum TW2, they offer excellent audio at a more affordable price.

Excellent sound ; Pretty comfortable to wear ; Unassuming design;

Volume limited ; Slightly disappointing battery life;