Ideal for gamers who enjoy deep bass, the SB45 features a dynamic

element constructed of anisotropic ferrite magnet structures the

deliver high sensitivity and reduced distortion for premium sound

at all volume levels. Incorporating a frequency response of 18Hz ~

20,000Hz, the SB45 delivers a full-range of sound that will bring

your favorite games to life. Utilizing oxygen free copper voice

coils for improved signal transmission and conduction, sound comes

through loud and clear.

Whether you are alone or online, the SB45s sound will be so

efficient that you will hear your opponent before they even know

you are there. Its large, closed ear cups surround the ear for

maximum isolation so you can stay focused on saving the world or

kicking a forty-yard field goal.

Soft, leatherette ear cushions envelope your ears without creating

pressure for long lasting comfort. Koss' Clear Voice Technology

(CVT) noise canceling electret condenser microphone eliminates

excessive background noise for a greater ease of use with PC voice

applications, such as speech recognition.

The SB45 has an adjustable headband to fit most head sizes. Built of

durable plastic, the SB45s headband can stand up to the rigors of

daily wear and tear for a fits-like-new feel after years of use.

The SB45 also folds up for compact storage to reduce pains from

your desktop clutter and to conveniently fit in your briefcase or

backpack if you are gaming on the road.

Built to last, the SB45 is covered under Koss' No-Questions-Asked

Lifetime Warranty - the only warranty of its kind in the

stereophone industry.

-- SPECIFICATIONs ------------------------------------

FREQUENCY RESPONSE- Stereophone: 18 ~ 20,000 Hz

Microphone : 100 ~ 16,000 Hz

IMPEDANCE - Stereophone: 100 ohms

Microphone : Same as load resistance

SENSITIVITY- Stereophone: 103dB SPL/1mW

Microphone : -56dB +/- 3dB per 1V/ 1KHz

(-36dB +/- 3dB, V/Pa)