USA 
SB40 Full-Size Communication Headset with Noise-Canceling Microphone
Product Description
The SB40 Full-Size Communication Headset with Noise-Canceling Microphone from Koss delivers optimal sound at all volume levels. It is suitable for gamers who crave for deep bass. The headset is equipped with a noise-canceling microphone that eliminates excessive background noise for ease of use. The cable is 7.87' long. It is also equipped with large, closed earcups that surround the ear for maximum isolation and increased comfort. The headphones offers reduced sound distortion. Designed to withstand the rigors of daily wear, this Koss gaming headset fits like new even after years of use.
| Item Type | |
| Number of Included Headphones/Receivers | |
| Number of Included Transmitters | |
| Number of Included Headsets | |
| Number of Included Transceivers | |
| Headphone | |
| Earpiece Design | Over-Ear (Circumaural) |
| Earpiece Swivel | |
| Earpiece Connection / Wearing Style | Headband, Wired |
| Foldable | |
| Number of Earpieces | Dual Earpiece |
| Sound Field | |
| Earpad Size | |
| Driver Type | |
| Number of Drivers | |
| Driver Size | |
| Diaphragm | |
| Magnet Type | |
| Voice Coil | |
| Impedance | 120 Ohms |
| Active Noise Cancellation | Not Specified by Manufacturer |
| Controls/Microphone Location | Microphone: Adjustable Boom |
| Full Remote OS Support | |
| Sensors | |
| Contact Pressure | |
| Performance | |
| Frequency Response | 20 Hz to 20 kHz |
| Resonant Frequency | |
| Sensitivity | 96 dB SPL at 1 mW |
| Matching Tolerance | |
| Maximum Sound Pressure Level (SPL) | |
| Maximum Power Handling | |
| Functional Bias Voltage | |
| Electrostatic Capacitance | |
| Output Power | |
| Volume Limiting | |
| Noise Attenuation | |
| Total Harmonic Distortion (THD) | |
| SNR | |
| CMRR | |
| Channel Separation | |
| Storage Capacity | |
| Microphone | |
| Number of Mics | 1 |
| Beamforming Support | |
| Type | |
| Diaphragm Size | |
| Mic Boom Location | |
| Pickup Pattern | |
| Noise Canceling | |
| Frequency Response | |
| Operating Voltage | |
| Sensitivity | |
| Maximum SPL | |
| Impedance | |
| SNR | |
| Distortion | |
| Equivalent Noise Level | |
| Wireless Transmission | |
| Number of RF Channels | |
| RF Bandwidth | |
| Max Systems per Setup | |
| Wireless Modulation | |
| DECT Standard | |
| Duplex Mode | |
| RF Channel Access Method | |
| Latency | |
| Speech Encoding | |
| Transmission Speed | |
| Approximate RF Sensitivity | |
| Supported Audio Codecs | |
| Bluetooth Profiles | |
| Bluetooth | |
| Bluetooth Power Class | |
| Wireless Range | |
| Frequency | |
| Transmitter Power | |
| Multipoint Support | |
| Maximum Paired Devices | |
| NFC | |
| Wireless Chipset | |
| True Wireless Pairing Method | |
| Transmitter Host Connection | |
| Encryption | |
| Wired Connectivity | |
| Audio Connector to Source | 2 x 1/8" / 3.5 mm TRS |
| Connector Plating | |
| Adapter (Included) | |
| Cable Design | Y-Type |
| Audio Connector to Earpiece | |
| Cable Length | |
| Cable Length | 7.87' / 2.4 m |
| Cable Color | |
| Cable Conductor Material | |
| Battery Type | |
| Battery Type | |
| Battery Chemistry | |
| Battery Chemistry | |
| Capacity (mAh) | |
| Runtime | |
| Runtime | |
| Quick Charging Times | |
| Recharge Time | |
| DC Input Power | |
| Wireless Charging | |
| Charging Port | |
| Charging Cable Length | |
| Number of Channels | |
| Users per System | |
| I/O Connectors | |
| Antenna | |
| Audio Decoding | |
| Number of Charging Ports | |
| AC/DC Power Adapter | |
| AC Input Power | |
| Power Consumption | |
| Additional Runtime | |
| Battery Chemistry | |
| Capacity | |
| Charging Time | |
| Charging Interface | |
| Charging Temperature | |
| Operating Temperature | |
| Storage Temperature | |
| Operating Humidity | |
| Storage Humidity | |
| Certifications | |
| Physical | |
| Color | |
| Water Resistance | |
| IP Rating | |
| LED Indicator | |
| Material of Construction | |
| Dimensions | |
| Weight | |
| Warranty Length | Limited Lifetime Warranty |