Sennheiser has a reputation for top-quality sound, and both the Momentum True Wireless and its sequel, the Momentum 2 True Wireless, scored very highly on sound quality when we reviewed them. But along with that excellent sound comes a fairly steep price — $300 is what you’ll pay for these earbuds. Clearly, that eliminates a lot of potential buyers. So the challenge for Sennheiser was to create a set of true wireless earbuds that cost less without sacrificing the biggest reason for buying them in the first place: High-quality sound. Its answer to that challenge is the $200 CX 400BT True Wireless. Their price is definitely more palatable, but do their overall feature set and performance make them a worthwhile investment when you consider how many other excellent earbuds can be had for the same, or similar, money? Let’s take a look. The CX 400BT’s relatively plain cardboard box contains the earbuds, their charging case, a set of four sizes of silicone eartips (large, medium, small, and e...
Superb sound quality; Responsive and customizable controls; Highly adjustable onboard EQ;
Lacks features for the money; Possible fit and comfort problems;