Audio-Technica ATH-M40x vs Sony WH-CH720N
The Verdict
Audio-Technica ATH-M40x delivers professional-grade sound with a flat, neutral response ideal for audio monitoring and mixing, featuring 40mm drivers with rare earth magnets and dual detachable cables. Sony WH-CH720N offers versatile wireless connectivity with Bluetooth 5.2, active noise cancellation, and exceptional 35-hour battery life with ANC enabled, plus adaptive sound control and DSEE audio upscaling. Sound quality favors the M40x for critical listening tasks due to its monitoring-focused tuning, while the Sony excels for everyday convenience with modern wireless features and portability at 192g versus 240g. Budget-conscious professionals prioritizing accurate audio should choose the M40x. Those seeking all-day wireless freedom with ANC justification prefer the Sony WH-CH720N, which justifies its 50% price premium through active features and battery endurance.
Who Should Buy
Buy the Audio-Technica ATH-M40x if…
- →Flatter, more neutral tuning than the M50x — preferred by some engineers
- →Excellent value at $99 for professional-grade monitoring
- →Lightweight at 240 g for comfortable extended mixing sessions
Buy the Sony WH-CH720N if…
- →Exceptional 35-hour battery life with ANC is class-leading
- →Ultra-lightweight at 192 g for comfortable all-day wear
- →LDAC codec support for high-resolution wireless audio
Category Scores
Pros & Cons
Audio-Technica ATH-M40x
Pros
- Flatter, more neutral tuning than the M50x — preferred by some engineers
- Excellent value at $99 for professional-grade monitoring
- Lightweight at 240 g for comfortable extended mixing sessions
- Foldable and portable with detachable cables
- Reliable build quality trusted by studios globally
Cons
- Wired only — no wireless option
- Bass response is intentionally restrained — not for bass lovers
- Ear pads are thin and may need replacement for comfort
- Plastic build feels less premium than metal competitors
- No carrying case included
Sony WH-CH720N
Pros
- Exceptional 35-hour battery life with ANC is class-leading
- Ultra-lightweight at 192 g for comfortable all-day wear
- LDAC codec support for high-resolution wireless audio
- Multipoint Bluetooth for seamless dual-device switching
- Solid noise cancellation at a very competitive $149 price
Cons
- ANC is noticeably weaker than premium XM5 headphones
- 30mm drivers produce smaller, less dynamic soundstage
- Plastic build feels cheap compared to premium Sony models
- No water resistance for gym or outdoor use
- Ear cushions are thinner and less comfortable than XM5
Full Specifications
| Spec | Audio-Technica ATH-M40x | Sony WH-CH720N |
|---|---|---|
| Active Noise Cancelling | ||
| Type | over-ear | over-ear |
| Weight | 240 g | 192 g |
| Battery | ||
| Battery life | N/A (wired) | 35 hrs (ANC on), 50 hrs (ANC off), 3 min = 1 hr playback |
| Charging | N/A | USB-C |
| Drivers | 40mm large-aperture dynamic driver | 30mm |
| Features | Flat, neutral frequency response for accurate monitoring, 40mm drivers with rare earth magnets and copper-clad aluminum wire, 90-degree swiveling ear cups, 2 detachable cables included, Foldable for portability, Circumaural design | Adaptive Sound Control, Speak-to-Chat automatic pause, DSEE upscaling for compressed audio, Multipoint Bluetooth, Sony Headphones Connect app with EQ |
| Connectivity | ||
| Wired option | ||
| Codecs | AAC, SBC, LDAC | |
| Bluetooth | None (wired only) | 5.2 |
| Multipoint | ||
| Water Resistance | None | None |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in headphones, see all Audio-Technica products or all Sony products. View full details for the Audio-Technica ATH-M40x or the Sony WH-CH720N.

