Having established its credentials as a high-end true wireless earbud front-runner with two generations of its Momentum True Wireless, Sennheiser’s now turned its attention to the less rarefied area where Apple, Microsoft, Sony and all the rest duke it out. At £169 / $199 / AU$299, the CX400BT are pitched right into the thick of the action.
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https://www.techradar.com/reviews/sennheiser-cx-400bt-true-wireless
