Sennheiser

Sony

HD-451

MDR-ZX750AP-R

Wired Headphone Specification

Wired Headphone Specification

Over Ear

On Ear

Neodymium

Neodymium

NA

40 mm

32 Ohms

40 Ohms

108 dB/mW

104 dB/mW

20 Hz-20,000 Hz

5 Hz - 25,000 Hz

100 mW

1000 mW

Yes

NA

Black, Blue, Grey

Black, White

3.5 mm Gold Plated Plug

3.5 mm Gold Plated Plug

1.2 m

1.2 m

380 g

205 g

- Vibrant stereo sound with powerful bass response
- Closed around-ear design, delivers stereo sound with powerful punchy bass
- 2-year warranty
- Eye catchy design

- Beat Response Control for enjoyment of tight and deep bass
- 40mm dynamic driver unit for high quality sound
- High energy neodymium magnets deliver powerful sound
- In-line remote and microphone for hands-free phone calls
- Slim, swivel folding style for easy portability
- Pressure relieving earpads for extended comfort

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