Koss

Sony

QZPRO

XB450BV

Wired Headphone Specification

Wired Headphone Specification

Over Ear

Over Ear

Neodymium

Neodymium

NA

30 mm

32 Ohms

40 ohm

90 dB/mW

100 dB/mW

40 Hz - 20000 Hz

5 Hz - 22,000 Hz

NA

3 V DC

Yes

No

Grey

Black

3.5 mm Gold Plated Jack

Gold Plated Stereo 3.5 mm

1.2 m

Tangle-free cable

NA

273 gm

- 40-20,000 Hz frequency response offers a full range of deep bass and treble clarity for ultimate sound quality and reproduction
- Soft vinyl closed ear cushions create a tight seal around ears and reduce ambient noise
- Active noise reduction technology eliminates unwanted low-frequency noise, creating a peaceful listening environment
- Fully-collapsible design makes headphones perfect for travel
- Extra-soft, padded headband delivers lightweight comfort for extended listening sessions
- Approximately 30 hours of continuous play
- Includes a 4 foot, single-entry straight cord and two-prong airline adapter
- Covered under the Koss Stereo phones Limited Lifetime Warranty

Electro Bass Booster enhances deep beats without distorting vocals.
Vibration Bass vibrates to the beat.
Bass Booster delivers powerful bass.
Electro Bass Booster amp enhances low frequencies.
Deep clear audio with an extended frequency range.
A full-bodied musical experience awaits you.
L-shaped gold-plated stereo mini plug.
A swivel design in the housing allows you to lay your headphones flat, making them easy to carry.
The earpads provide wrap-around comfort with an improved acoustic seal. It also delivers powerful bass sound directly.
A durable, finely grooved serrated cable reduces tangling.