Bowers & Wilkins PI4
In-Ear HeadphoneProduct Gallery
Product Overview
Bowers & Wilkins PI4 are premium wireless in-ear headphones with active noise cancellation. They are powered by B&W's 14.2mm full-range dynamic drivers and offer a 10-hour battery life with support for fast charging.
The traditional in-ear form factor combined with the provided stability fins allow the PI4 to offer more assuredness in moving about. The larger 14.2mm driver also offers improved control over a wide frequency range compared to the PI5, which share much of the same features with the PI4 but are true-wireless earphones.
The B&W PI4 support the same set of advanced aptX Bluetooth codecs as do the flagship PI7. Their active noise cancellation, on the other hand, is the same as offered by the PI5. Two microphones are used for ANC, while another two for conversations.
For those who do not require ANC, the Bowers & Wilkins PI3 may be an interesting alternative.
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