Our overall take, at a glance
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
The Bose QuietComfort Ultra Earbuds are premium wireless in-ear headphones designed for users seeking top-tier ambient noise reduction in a highly portable format. They aim to deliver the powerful active noise cancellation performance typically associated with the brand's larger over-ear headphones inside a compact, travel-friendly design.
The Audio-Technica ATH-M40x is an over-ear, dynamic closed-back headphone designed primarily for studio monitoring and audio production. Introduced as part of a remastered M-Series lineup in 2014, it features 40mm drivers with neodymium magnets and copper-clad aluminum voice coils. Operating with a 35-ohm impedance and a frequency response of 15 to 24,000 Hz, it is tuned to provide a flatter, more accurate sound profile with minimal coloration.
Which is the better deal for the price
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Weigh them up, then compare real dimensions in 3D
Bose QuietComfort Ultra is 13 g (5%) heavier than Audio-Technica ATH-M40x.
Hand-picked expert reviews for each product
The full spec sheet, side by side