Best Overall
Audio-Technica ATH-M40x
Key details
- Cable
- Detachable
- Impedance
- 35 ohm
- Driver Size
- 40 mm
- Frequency Range
- 15 Hz - 24,000 Hz
The ATH-M40x is the pair in this set that Audio-Technica explicitly tunes flat, and that is the right place to start for mixing. The 40 mm drivers and closed-back cups give you a contained sound, while the 35-ohm impedance means it runs from a laptop or a basic interface without a dedicated amp. The detachable cables and 90-degree swiveling cups are practical studio details: you can replace a damaged cable and listen with one ear when you need to check a room or a take.
We kept the M40x on for balance checks because it doesn't flatter low end the way some closed-back pairs do. It won't match an open-back model for width, but the trade is isolation and less bleed into a microphone. That flat-leaning tuning is the reason it earns top pick: it gives you a stable reference without asking for extra gear. We also appreciate that the cups fold and the case keeps the spare cable with the headphones.
For a first serious mixing pair, this is the one we hand to someone who wants a neutral starting point and doesn't want to rebuild their desk around a headphone amp. It is less forgiving of a poor mix than the M50x, and that is the point. The M40x tells you what is there rather than adding excitement.
Pros
- Flat-leaning tuning for balance checks
- Detachable cables are easy to replace
- Swiveling cups help one-ear monitoring
- Closed-back cups limit bleed
Cons
- Firm clamp on larger heads
We recommend the ATH-M40x as the default mixing pair here: its flat-leaning tuning, closed-back isolation, and detachable cables make it a dependable first reference without an amp.