Denon

Sony

AH-D400

MDR-1A-B

Wired Headphone Specification

Wired Headphone Specification

Over Ear

Over Ear

Neodymium

Neodymium

50 mm

40mm Dynam

32 Ohms

24 Ohms

110 dB/mW

105 dB/mW

5 Hz - 37,000 Hz

3 - 100,000Hz

1800 mW

1,500 mW (IEC*)

NA

NA

Black

Black

3.5 mm Gold Plated Jack

3.5 mm Gold Plated Plug

1.5 m

1.2m Silver-coated OFC cable

310 g

225 g

- Powerful Bass
- Eye-catching color combinations
- Built-in headphone amplifier and rechargeable battery for explosive sound

- High-Resolution Audio 40mm HD driver unit
- Aluminum-coated Liquid Crystal Polymer Diaphragms for absolute clarity
- L/R separated ground cable for reduction of cross talk 
- Silver-coated Oxygen-Free Copper cable
- Hands-free calls with in-line remote and microphone
- Comfortable, ergonomic ear pads
- Plug - Gold-plated L-shaped Stereo Mini; Four-Conductor Gold-plated L-shaped Stereo Mini

Microphone
- Unit/Type : Electret Condenser
- Open circuit voltage level : -40dB(0db=1V/Pa)
- Effective Frequency of Microphone : 20Hz-20,000Hz