
Sony MDR7506
Score: 73/100
Sony WH-CH720N White
Score: 75/100Rankings

The Sony WH-CH720N are lightweight over-ear Bluetooth headphones offering up to 50 hours of playback and active noise cancellation. Their ANC and sound quality are only moderate, and the design lacks a folding mechanism. Ideal for budget-conscious commuters seeking long battery life.

The Sony MDR-7506 is a professional closed-back studio headphone known for its accurate sound reproduction and excellent isolation. Lacking wireless connectivity and on-headset volume controls makes it less versatile for modern mobile use. Best suited for audio engineers and broadcasters who need reliable wired performance.
| Attribute | ![]() | ![]() |
|---|---|---|
40 mmbest | 30 mm | |
| ↓ lower better | 260 g | 100 gbest |
63 Ωbest | — | |
106 dB SPLbest | — | |
| ↓ lower better | — | 210 minutesbest |
— | 10 mbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(1) | ||
Wireless Connectivity | false | true |
Audio(4) | ||
Frequency Response | 10-20000 | 7-20000 Hz (Active), 20-20000 Hz (Bluetooth) |
Driver Size (mm) | 40 mm | 30 mm |
Impedance (Ω) | 63 Ω | 325 Ω (On), 31 Ω (Off) Ω |
Sensitivity (dB SPL) | 106 dB SPL | 108 dB/mW (On), 99 dB/mW (Off) dB SPL |
Build & Design(3) | ||
Weight (g) | 260 g | 100 g |
Dimensions (H×W×D) (mm) | 246x84x185 mm | 237.2 x 55.0 x 207.2 mm mm |
Foldable Design | true | false |


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

Professional reviewers consider the MDR-7506 a studio staple, emphasizing its closed-back architecture for superior isolation, the 40 mm neodymium-driven drivers for accurate bass and dynamics, and its foldable, portable build with a long coiled cable that resists snags. Editors highlight its comfort during long sessions and its ability to deliver ample volume even from low-impedance sources.
Everyday users consistently commend the headphones for their clear stereo imaging, robust noise isolation, and practical foldable design. The long coiled cable and included adapters receive positive remarks for flexibility, while the most common complaint centers on the absence of an on-headset volume control and lack of wireless connectivity.

Professional reviewers consider the WH-CH720N a solid mid-tier offering, commending its lightweight design, long battery life, and V1 processor-driven ANC that delivers respectable low-frequency reduction. However, they note that the ANC depth, sound distortion, and average timbre fall short of premium competitors, positioning the headphones as a value-focused choice rather than a high-end audiophile solution.
Everyday users generally praise the headphones for their comfort, impressive battery endurance, clear call quality, and the flexibility of the Sony app for sound tuning. Recurring criticisms focus on the moderate ANC effectiveness, earpad heat and stickiness, a tight fit for glasses wearers, and occasional Bluetooth stability issues.
“extraordinary acoustic isolation”

