Sennheiser’s first true wireless headphones outside the Momentum range offer the same superb sound quality without such a steep price tag

Superb sound quality; Stable connection; Quick, seamless pairing;

No splash proofing; No ANC; Not cheap;

The first pair of standalone earbuds I bought was the Sennheiser CX 400-II . It was 2009 and at the time, it seemed preposterous to spend money on an accessory that was bundled for free with every phone or iPod.

Sound These are the best-sounding true wireless buds I've tried; Controls They're customizable in the app, and give neat feedback through different tones for double and triple taps; App You can customize the equalizer and easily switch your buds' connection between multiple phones and computers.

No independence The right earbud is the master. You can't use the left one alone as only the right one works in mono mode; Missing features Besides the lack of ANC, these don't have proximity sensors, a transparency mode, wireless charging, or an IP rating of any kind.

Good quality easy set-up very happy

A battery that just doesn't give in

With its third set of true wireless earbuds, Sennheiser’s CX 400BT is a more affordable option. The company manages to mostly retain the stellar sound quality from the Momentum True Wireless 2 along with customizable and reliable touch controls.

Great sound; Customizable controls; Configurable EQ

No ANC; No ambient sound; No automatic pausing; No wireless charging

The Sennheiser CX 400BT True Wireless earbuds have an understated design but pack 7mm full range dynamic drivers for the detailed and wide sound that belies its modest looks. Add in a light build and comfy ear tips for comfortable extended wear when working from home or on the go and you have an...

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;

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.