The M-series closed-back headphones by Audio-Technica offer great solutions for monitoring in a variety of situations, but selecting the correct set can be challenging if you are unfamiliar with the series. We are going to take a look at the lineup, and then add some comparisons to help you make the right choice.
Looking at the lineup
ATH-M20x
The ATH-M20x headphones offer an excellent entry point into professional audio, making them a smart choice for beginners and budget-conscious engineers alike. With a closed-back design, they're well suited for tracking and monitoring in both home studios and group recording environments. Equipped with 40mm drivers, these headphones deliver clear sound with a focus on enhanced low-frequency response.
ATH-M30x
The next entry into the series, the ATH-M30x, are the perfect headphones for field recording, video editing, and other monitoring applications. Featuring the same 40mm drivers as the ATH-M20x headphones, these are tuned for enhanced detail with strong mid-range definition, such as dialog. Another feature that differentiates it is the foldable design, which makes it perfect for travel and location work.
ATH-M40x
When it comes to monitoring, the ATH-M40x features a flat frequency response gives you unbiased listening across the entire frequency range. With incredibly accurate sound quality these studio headphones are perfect for tracking, mixing, and monitoring.
ATH-M50x
If you are looking for headphones that do it all, the ATH-M50x is an easy choice. Featuring larger 45mm drivers, these headphones deliver accurate audio and deep bass response. Whether you are mixing, tracking, or just unwinding listening to your favorite band, the ATH-M50x are a solid choice.
ATH-M60x
Featuring the same 45mm drivers as the ATH-M50x headphones, the on-ear ATH-M60x headphones offer a low-profile option. Ideal for studio, broadcast, and mobile applications, the M60x headphones are a great choice, especially if you are already familiar with the M50x sound.
ATH-M70x
With pure professional performance in mind, the ATH-M70x Headphones are designed to accurately reproduce extreme low and high frequencies while maintaining perfect balance. Crafted for lasting durability, they are ideal for studio mixing and tracking, DJ's, mastering, post-production, audio forensics, and personal listening.
Comfort Comparison
No matter how good a set of headphones sounds, long term comfort can make or break your session. All of the over-ear models use the same size ear pads, and feel fairly comfortable for longer listening sessions. Here is a breakdown of how the models compare for comfort:
| Model | Weight | Padding & Fit | Clamping Force | Overall Comfort Level |
| ATH-M20x | 190g | Basic padding, non-detachable cable | Moderate to firm | Decent for short sessions |
| ATH-M30X | 220g | Slightly improved padding | Moderate to firm | Slightly better than M20x |
| ATH-M40x | 240g | Detachable cables, better ear pads | Noticeable clamping | Good, but tight fit initially |
| ATH-M50x | 285g | Detachable cables, larger headband | Strong clamping force | High-quality feel, but can be tight |
| ATH-M60x | 200g | On-ear design, less padding | Light clamping | Less comfortable for extended use |
| ATH-M70x | 280g | Premium build, spacious ear cups | Balanced clamping | Most comfortable for extended wear |
Sound Quality Comparison
While all of the models sound great, they have different tunings and sound characteristics that provide different listening experiences.
| Model | Frequency Response | Sound Signature | Bass Response | Sensitivity |
| ATH-M20x | 15-20,000 Hz | Basic, Slightly scooped mids | Mild, not punchy | 96 dB |
| ATH-M30X | 15-22,000 Hz | Balanced, defined mid-range | Slightly improved over M20x | 96 dB |
| ATH-M40x | 15-24,000 Hz | Neutral, flat response | Tight & Controlled | 98 dB |
| ATH-M50x | 15-28,000 Hz | V-shaped (boosted lows & highs) | Deep & Punchy | 99 dB |
| ATH-M60x | 15-28,000 Hz | Neutral, on-ear design | Less bass due to fit | 102 dB |
| ATH-M70x | 5-40,000 Hz | Extended range, ultra-flat, analytical | Accurate, not boosted | 97 dB |
Build Quality Comparison
Possibly one of the biggest differences between the various models is the build quality, which not only affects
| Model | Material Used | Durability Level | Design Features | Portability |
| ATH-M20x | Mostly plastic | Basic | Fixed Cable, minimal padding | Lightweight |
| ATH-M30X | Plastic with better finish | Moderate | Improved ear cup design | Foldable |
| ATH-M40x | Pro-grade plastic & metal | High | Detachable cables, swiveling earcups | Foldable & rugged |
| ATH-M50x | Metal-reinforced headband | Very High | Detachable cables, collapsible design | Highly portable |
| ATH-M60x | Compact metal & plastic | Moderate | On-Ear, lightweight, durable | Ultra-portable |
| ATH-M70x | Premium metal & composites | Very High | Sleek, reinforced frame, pro-grade pads | Highly portable |
The Audio-Technica M-Series offers a versatile lineup of closed-back headphones tailored for everything from casual tracking to professional mastering. While all models deliver solid performance, selecting the right pair depends on you specific needs - whether it's budget, sound accuracy, comfort, or durability.
