
AKG K240STUDIO
Score: 79/100
Audio-Technica ATH-M20x White
Score: 67/100Rankings

The AKG K240 Studio headphones deliver precise, detailed audio with a semi-open design, making them ideal for professional mixing and mastering at a budget price. Their trade-offs include sound leakage, lower sensitivity that may need an amp, and a non-foldable build. Suited for audio engineers and musicians who prioritize sound accuracy over portability.

The Audio-Technica ATH-M20x is a wired over-ear studio monitor with 40 mm drivers, lightweight construction, and solid bass response. It offers no Bluetooth, a fixed non-detachable cable, and can become uncomfortable during extended sessions. Best suited for beginner to intermediate home-studio users seeking affordable monitoring.
| Attribute | ![]() | ![]() |
|---|---|---|
30 mm | 40 mmbest | |
| ↓ lower better | 240 gbest | 260.9 g |
55 Ωbest | 47 Ω | |
104 dB SPLbest | 96 dB SPL |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(4) | ||
Frequency Response | 15–25,000 Hz | 15-20000 |
Driver Size (mm) | 30 mm | 40 mm |
Impedance (Ω) | 55 Ω | 47 Ω |
Sensitivity (dB SPL) | 104 dB SPL | 96 dB SPL |
Build & Design(2) | ||
Weight (g) | 240 g | 260.9 g |
Dimensions (H×W×D) (mm) | 200×190×110 mm | 169.8×207.0×82.0 mm mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers consistently commend the K240 Studio for its precise, detailed sound and natural imaging, attributing this to the Varimotion transducers. They note the headphones are easy to drive, feature a detachable cable, and offer replaceable earpads, making them serviceable. Criticisms focus on the semi-open design's sound leakage, the vinyl earpads' durability issues, and the relatively low sensitivity that can demand extra amplification.
Everyday users appreciate the K240 Studio's affordable price, comfortable fit, and balanced sound for mixing and overdubbing. Common praise highlights the replaceable parts and overall value. Recurring complaints involve earpad wear, sound leakage in shared spaces, and occasional need for an amp to reach desired loudness.

“Exceptional sound quality for recording/mixing with solid bass, clear highs, and wide dynamic range - AKG spec sheet”

“"shattering expectations" for detail but flags inefficiency (91 dB sensitivity) - HomeStudioBasics”

“spacious, natural sound with precise imaging - Guitar Center”




Professional reviewers praise the M20x for its tight channel matching, low distortion, solid build, and strong bass response, noting excellent value for the price. However, they point out comfort issues after extended wear, a predominantly plastic construction, a fixed non-detachable cable, and occasional high-frequency inconsistencies.
Everyday users commend the headphones for strong bass, effective isolation, lightweight comfort in short sessions, and clear sound without needing an amp, while repeatedly citing ear fatigue after 1-2 hours, the non-removable cable, a plasticky feel, and minor high-frequency quirks as common drawbacks.