Audio-Technica ATH-M40x Professional Studio Monitor Headphone, Black (AUD ATHM40X)
Audio-Technica ATH-M40x, black: wired, closed-back headphones with 40 mm drivers and detachable cables, according to the manufacturer. Specifications checked November 3, 2026; see the source notes below.
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ATH-M40x: manufacturer specifications
Audio-Technica lists this wired, closed-back model with 40 mm drivers, 90-degree swiveling earcups, a folding design, and detachable cables. Its stated weight is 240 g without the cable and connector.
Cables and accessories
The manufacturer lists a 1.2–3.0 m coiled cable, a 3.0 m straight cable, a carrying pouch, and a 6.3 mm adapter. Its overview calls the adapter snap-on, while its specification table says screw-on. Confirm the exact adapter and package contents on the Amazon listing before ordering.
Before you buy
Check your device’s audio connection and any adapter you need. Use our phone-and-laptop buying checklist.
Sources checked November 3, 2026: Audio-Technica ATH-M40x product specifications and Amazon.com black ATH-M40x listing (B00HVLUR54). These are manufacturer/listing claims, not our hands-on findings. We have not tested sound, isolation, or comfort.
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