Audio-Technica ATH-M20x vs Sennheiser HD 600
A side-by-side look at Audio-Technica ATH-M20x and Sennheiser HD 600 for podcasters: pricing, features, and where each one wins.
Audio-Technica ATH-M20x
The sub-$50 closed-back that outperforms every consumer headphone in its class
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Sennheiser HD 600
The audiophile open-back that pro audio engineers have used as a reference for 30 years
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Check price on AmazonAt a glance
| Audio-Technica ATH-M20x | Sennheiser HD 600 | |
|---|---|---|
| Starting price | See site | See site |
| Free plan | No | No |
| Free trial | No | No |
| Best for | First-time podcasters and recording students who want a real monitoring headphone at the lowest reasonable price | Experienced audio producers who want a world-class open-back reference for final mix review and critical listening |
Key features
Audio-Technica ATH-M20x
- Closed-back, over-ear design
- 40mm neodymium dynamic drivers
- Fixed 3m straight cable, left-side exit
- 15 Hz - 20 kHz frequency response
- 47 ohm impedance - drives from any source
- Lightweight at 190g without cable
Sennheiser HD 600
- Open-back, over-ear design - NOT for recording
- 42mm driver with acoustic silk for airflow control
- 16 Hz - 30 kHz frequency response
- 300 ohm impedance - dedicated amp required
- THD 0.1%, Sensitivity 97 dB
- Detachable cable with dual 3.5mm connectors
Pros and cons
Audio-Technica ATH-M20x
Pros
- Exceptional value - accurate monitoring at minimal cost
- Genuine closed-back isolation for tracking
- Identical driver tech to the more expensive M-Series models
- Available in black and white
Cons
- Fixed non-detachable cable
- Thinner earcup padding than the M30x and M40x
- Bass extension is the most limited in the M-Series
Sennheiser HD 600
Pros
- World-class reference transparency - the 30-year standard
- Exceptional midrange detail and tonal accuracy
- Comfortable for extremely long sessions
- Fully serviceable with replaceable cable and pads
Cons
- 300 ohm impedance demands a quality headphone amp - non-negotiable
- Open-back bleeds sound - cannot record while wearing
- Premium price reflects its audiophile and professional positioning
The verdict
Choose Audio-Technica ATH-M20x if
First-time podcasters and recording students who want a real monitoring headphone at the lowest reasonable price.
The M20x punches well above consumer headphones and costs less than a nice dinner. The closed-back isolation is real, the frequency response is honest, and the build quality is recognizably Audio-Technica - not plastic toys. For a first recording setup…
Choose Sennheiser HD 600 if
Experienced audio producers who want a world-class open-back reference for final mix review and critical listening.
The HD 600 has a 30-year track record as a professional reference standard - sound engineers, mastering engineers, and broadcast veterans reach for it when they need to hear exactly what is on the recording, uncolored and unembellished. The 300-ohm…