Our Take
Koss SB45 communication headsets deliver a full range of sound that enables you to not only hear clearly, but also speak clearly. Featuring Koss’ Clear Voice Technology (CVT), the SB45 noise-reduction microphone eliminates excessive background noise. This enables PC voice applications, such as speech recognition, much easier to use.
Product Details
The Koss SB45 is a professional-grade, full-size communication headset engineered for gamers, remote workers, and anyone seeking superior audio and voice clarity. Featuring Koss’ Clear Voice Technology (CVT), the SB45’s noise-reducing electret condenser boom microphone effectively eliminates excessive background noise, ensuring your voice is transmitted with exceptional clarity during calls, gaming, or speech recognition tasks.
Equipped with dynamic drivers and anisotropic ferrite magnet structures, the SB45 delivers high sensitivity, reduced distortion, and a full-range stereo sound with a frequency response of 18 Hz to 20,000 Hz—ideal for immersive gaming or multimedia experiences. The headset’s circumaural, closed-back ear cups provide maximum isolation, while soft leatherette ear cushions and an adjustable headband ensure all-day comfort during extended sessions
Designed for convenience, the SB45 features an 8-foot straight cable with independent 3.5mm plugs for headphone and microphone connections, and a foldable design for easy storage and portabilityDurable construction and a limited lifetime warranty make the Koss SB45 a reliable choice for demanding environments
Tech Specs
| Type | Wired, Full-size Communication Headset |
| Design | Over-the-head, circumaural, closed-back ear cups |
| Driver | Dynamic drivers with anisotropic ferrite magnet structure |
| Frequency Response | 18 Hz – 20,000 Hz |
| Microphone | Noise-reducing electret condenser boom microphone with Clear Voice Technology (CVT) |
| Microphone Type | Noise-reducing, adjustable boom |
| Sensitivity | High sensitivity, reduced distortion |
| Ear Cushions | Soft leatherette |
| Headband | Adjustable for comfort |
| Cable Length | 8 feet (approximately 2.4 meters) |
| Connectors | Dual 3.5mm plugs (one for headphones, one for microphone) |
| Foldable Design | Yes, for easy storage and portability |
| Weight | Lightweight design (exact weight not specified) |
| Warranty | Limited lifetime warranty |
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