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Sony MDR-EX31BN
Rs.4,459.00

Beyerdynamic MMX 102 IE
Rs.4,400.00
Brand
Sony
Beyerdynamic
Model No
MDR-EX31BN
MMX 102 IE
Wired / Wireless
Earphone Specification
Earphone Specification
Headphone Type
In Ear Canal
In Ear Canal
 
Magnet Type
Neodymium
Neodymium
Driver Diameter
13.5mm
NA
Impedance
16 ohm (1KHz)
23 Ohms
Sensitivity
105 dB/mW
104 dB/mW
Frequency Response
20 - 20,000Hz
10 Hz - 23000 Hz
Maximum Power Input
NA
NA
Noise Cancelling
Yes
NA
 
Available Colors
Black, White, Blue, Red, Green
Black, White
Connector Plating
3.5 mm Gold Plated Jack
3.5 mm Gold Plated Jack
Cable
40cm cord
1.2 m
Weight
Approx 34g
13 g
Other Features
- Wireless Stereo Dynamic In-Ear Headset
- 13.5mm high sensitivity driver
- Hybrid silicone rubber earbuds (S,M,L) supplied fitting and long-term wearing comfort
- Bluetooth Power Class2, Noise Cancelling set

Bluetooth
- Output :- Bluetooth power class2
- Maximum Communication Range :- Line of sight approx. 30ft (10m)
- Frequency Band :- 2.4GHz band (2.4000GHz-2.4835GHz)

Microphone
- Unit/Type :- Electret Condenser
- Directivity :- Omnidirectional Microphone
- Frequency Range :- 100Hz - 4,000Hz

General
- Type :- Closed, dynamic
- Power Source / Battery Type :- Built-in Li-ion Rechargeable Battery
- Battery Life :- (NC ON) Approx. 9.0 Hours, (NC OFF) Approx. 10.5 Hours
- Battery Charging Time :- Approx. 2.5 Hours
- Impressive sound due to neodymium HD acoustic drivers
- Powerful and precise bass response
- Remote control with high-quality hands-free microphone
- Compatible with portable devices with mini jack socket (3.5 mm)
- Supplied with 3 pairs of ear tips in different sizes, cable clip,
- VoIP adapter and case with a quick acting closure
- High-quality hands-free microphone
- High-resolution, crystal clear sound
- Fascinating bass
- HD Neodymium acoustic transducer
- Refined lightweight metal housing

Compare Sony MDR-EX31BN with:

Compare Beyerdynamic MMX 102 IE with:

Key Differences

The driver size differs between the two (13.5mm vs NA), which can influence sound depth, bass response, and overall audio clarity. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. From a usability standpoint, both models provide a reliable and premium headphone experience. Sony MDR-EX31BN and Beyerdynamic MMX 102 IE offer different noise cancellation capabilities (Yes vs NA), which can impact how effectively they block external noise. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel. If you're comparing Sony MDR-EX31BN and Beyerdynamic MMX 102 IE, both models offer a strong combination of sound performance, comfort, and modern wireless features. Impedance levels vary (16 ohm (1KHz) vs 23 Ohms), which can affect compatibility and audio output when used with different devices. The frequency response differs (20 - 20,000Hz vs 10 Hz - 23000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. There is a noticeable difference in weight (Approx 34g vs 13 g), which may affect comfort during extended use.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.

Top Differences

  • Noise Cancelling: Yes vs NA
  • Driver Size: 13.5mm vs NA
  • Weight: Approx 34g vs 13 g
  • Impedance: 16 ohm (1KHz) vs 23 Ohms