It is an entry level, economical mono headset. It has a comfortable design and noise-filtering microphone. The cable is equipped with volume control and mute Poly Plantronics Blackwire C3310 is a range of low-cost, USB-A headphones that provide users with great sound quality and are interoperable with both Windows and MacOS OS. The Plantronics Blackwire 3300 range headset is equipped with Plantronics SoundGuard technology, to have acoustic protection from noise peaks. Thanks to the Plantronics Manager Pro software it allows the IT administrator to monitor the Blackwire series headphones.

Headset Features:

Monaural

USB-A cable connection
Microsoft version (compatible with all softphones)

SoundGuard technology

Noise canceling microphone

Noise reduction microphone

Wideband audio - Wideband

The Sennheiser Century SC 630 USB ML headset features HD audio The Sennheiser Century SC 630 USB ML provides better audio quality than the standard, thanks to an ultra noise canceling microphone and a wide audio frequency band. It is built with specific materials to withstand the mechanical stress of those who use it intensively in their work, for hours a day. It has a light weight but robust and resistant construction. The stainless steel joints, Kevlar reinforced cable and aluminum parts are a guarantee of robustness. Very comfortable, it does not bother once worn, thanks to an adjustable and flexible headband and padded and hypoallergenic ear pads.

Headset features:

Noise canceling microphone

USB connection

Plug and play In-line controls (volume + volume -, mute)

Wideband audio

Microphone frequency 150 - 6800 Hz

Listening frequency: 50 - 18,000 Hz

Active guard advanced hearing protection

Neodyium earcups

Flexible and adjustable headband with ergonomic earcups

The EncorePro 545 USB is a convertible headset with USB connection, designed for professional, intensive use. The flexible microphone arm features special joints that allow you to adjust and adapt it to your needs. The wand includes visual and audio cues to optimally adjust the microphone position and a visual indicator will allow the user to see if the wand is positioned correctly for optimal microphone operation. The microphone is the lightest in its class, at only 22 grams. You can choose between three interchangeable wearing modes: ear contour (22g), headband (32g) over the head or neck contour (24g).

Headset Features:

PC Headset

Convertible: Headband, Neckband or Earhook

In-Cable Call Control

Noise Cancelling Microphone

SoundGuard Technology

HD Wideband Audio

Flexible Boom

Soft Foam Cushion

Visual Indicator for Perfect Microphone Positioning

The Koss SB45 USB headset is an excellent binaural device for speech recognition systems. Thanks to noise cancellation and low signal distortion – it guarantees a clear and clean signal at all times. In addition, the Koss SB45 USB headset guarantees maximum comfort for intensive, daily use.

Headphone Features:

Frequency Response: 18-20,000 Hz

Headphone Impedance: 100 Ohms,

Microphone: Same as Load Resistance

Headphone Sensitivity: 91dB SPL/1mW,

Microphone: -56dB +/- 3dB for 1V/1KHz; (36dB +/- 3dB, V/Pa)

Headphone Distortion: <1.0%

Cable Length: 2.5m