Sony MDR-EX750NA-B vs Sennheiser PMX 686G – Which Headphones Are Better? (2026)

- L-shaped gold-plated 4-pole mini plug - Y-shape Tangle Free cable - High-Resolution Audio capability - Digital Noise Cancelling utilizing Dual Noise Sensors reduce ambient noise - 9mm high-sensitivity drivers reproduce up to 40kHz - Built-in Li-ion batt for 16 hours non-stop music all day - Hands-free calls with in-line remote and microphone - Style statement with the distinctive single shape design Rechargeable Battery Details - Battery Charging : DC3.7V : Built-in litium-ion rechargeable battery; DC 5 V (When charged using USB) - Battery Life : Approx. 16 Hours (Fully charged); Approx. 10 Hours of continuous communication after 1 Hour charge - Charging Time : Approx. 2.5 Hours (Full charge) - Passive Operation : Yes (Use as passive headphones even when power supply is OFF) Microphone Features - Unit/Type : Electret Condenser - Directivity : Omni directional - Frequency Range : 20 Hzâ€“20,000 Hz - Open circuit voltage level : â€“40 dB (0 dB = 1 V/Pa)

- Inline smart remote and mic on the cable are compatible with most smartphones and portable players (including Android, Windows Mobile and Blackberry devices) - Maximum ruggedness and durability â€“ Sweat and water-resistant - Vertical in-ear design for greater situational awareness and safety - Antimicrobial ear adapters (SteriTouch) - Ultra-lightweight neckband for a secure, comfortable fit - Para-aramid-reinforced cable provides superior strength and reliability - Oval-shaped cable ensures a tangle-free listening experience and reduced cable noise - Convenient storage pouch and cable clip included - 2-year warranty

If you're comparing Sony MDR-EX750NA-B and Sennheiser PMX 686G, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. There is a noticeable difference in weight (5 g vs NA), which may affect comfort during extended use. The driver size differs between the two (9 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (5 Hz - 40,000 Hz vs 18 Hz -20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Sony MDR-EX750NA-B and Sennheiser PMX 686G offer different noise cancellation capabilities (Yes vs NA), which can impact how effectively they block external noise. Impedance levels vary (32 Ohms vs 30 Ohms), which can affect compatibility and audio output when used with different devices. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.

Top Differences

Noise Cancelling: Yes vs NA
Driver Size: 9 mm vs NA
Weight: 5 g vs NA
Impedance: 32 Ohms Vs 30 Ohms

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Top Differences