Sennheiser CX 150BT

The CX 150BT nails comfort at the 94th percentile and connectivity at 89th, but sound quality lands at a disappointing 28th percentile. Battery life is a weak 10 hours, putting it at 17th percentile. At USD 50 to 70, you're paying for comfort and reliability, not audio quality.

Let's talk about what these do well first. The Bluetooth 5.0 connection is genuinely solid, pairing quickly and holding steady. Multipoint support means you can connect to your phone and laptop at the same time, which is a feature you don't always get at this price. The 12g weight is barely noticeable, and with four ear tip sizes in the box, most people will find a fit that stays put. That comfort score in the 94th percentile isn't a fluke.

But the sound is where things fall apart. The 17Hz to 20kHz frequency range looks fine on paper, and the 28Ω impedance is easy to drive from any phone. Yet the sound quality lands at 28th percentile, which is disappointing for a brand like Sennheiser. The AAC and SBC codec support is standard, nothing special. The mic is also mediocre at 37th percentile, so calls won't be great. And the 10-hour battery claim, while decent on paper, puts these at 17th percentile against the competition. In 2024, that's just not enough.

Against the JLab JBuds Pods ANC, the CX 150BT loses on features but wins on comfort. The JLab has active noise cancellation and likely better battery, but the Sennheiser's 94th percentile comfort is hard to beat. The Samsung Galaxy Buds 3 Pro and Sony WF-1000XM5 are in a completely different league, with better sound, ANC, and battery, but they cost significantly more. The Soundcore P31i is probably the closest competitor in spirit, offering solid sound and battery at a budget price, and it likely beats the CX 150BT on both. The JBL Live Beam 3 also brings better audio and features. If sound quality matters at all, skip the Sennheiser and look at Soundcore or JBL.

The CX 150BT sells for USD 50 to 70 across US listings, a USD 20 spread that's worth paying attention to. At the low end, you're getting a comfortable, reliable neckband with multipoint Bluetooth. At the high end, you're dangerously close to better-sounding options. The affordability score sits at 35th percentile, which is mediocre for a budget product. If you're in Canada, the CAD 85 price is the only listing we see, so you don't have much room to shop around. For the US buyers, grab these at USD 50 if you must, but don't pay USD 70.

The Sennheiser CX 150BT is a neckband-style wireless earbud that nails comfort and connectivity but stumbles hard on sound and battery. Our database puts comfort at the 94th percentile, which is the absolute best right now for this form factor, and connectivity at 89th, one of the best on the market. But the sound sits at 28th percentile, which is disappointing, and battery at 17th, a real letdown for a neckband in 2024.

At USD 50 to 70 depending on the store, you're getting Bluetooth 5.0, multipoint pairing for two devices, USB-C fast charging, and a 10-hour battery claim. The 12g weight and four included ear tip sizes make these easy to wear all day. But a 3.1 out of 5 rating across 636 reviews tells you something's off. The CX 150BT feels like a comfort-first product that forgot to bring the audio chops Sennheiser is known for.

If you care about music quality, skip these. The 28th percentile sound score is disappointing, especially from Sennheiser. If you need all-day battery, the 10-hour claim at 17th percentile will frustrate you. Commuters should also look elsewhere, the commute score of 28.9 out of 100 is the weakest area, likely due to the lack of ANC and mediocre sound isolation. And if you take a lot of calls, the 37th percentile mic quality means your voice will sound muffled to the person on the other end.

The CX 150BT is a comfortable, reliable neckband that's let down by mediocre sound and weak battery life. If you need something for podcasts, audiobooks, or casual listening while working, and you value comfort above all else, these are fine at USD 50. But if you care about music quality, the 28th percentile sound score should send you elsewhere. The 3.1 out of 5 rating from 636 buyers backs this up. Sennheiser can do better, and at this price, so can you.