Plantronics SupraPlus SDS 2490 is a special modified HW251N with a dynamic noise canceling microphone for super clear, uninterrupted voice transmission.  It has a Plantronics quick disconnect (QD) end.  This headset is design for important, mission critical applications.  part# 92490-01

Key Features:

• Built and designed for mission-critical use and comfort. Special Plantronics engineered dynamic microphone with noise canceling and extended boom blocks nearly 75% of unwanted background noise, ensuring excellent transmission clarity in busy, noisy setting.

• Cable and Quick Disconnect. Single-cable design with robust PU (polyurethane) jacketing material and Quick Disconnect options. Excellent audio quality. Extended frequency response improves intelligibility

• Plantronics SupraPlus Circumaural Leather Ear Cushions (sold separately) is also available to further reduce the background noise for the user.

• call for availability (special order)

Optional Accessories for SupraPlus SDS 2490

Plantronics Foam Ear Cushions Supra Plus (2 pairs)

Plantronics Leatherette Ear Cushions SupraPlus

Plantronics SupraPlus Circumnaural Leather Ear Cushions

For more detail information: See SupraPlus SDS 2490 datasheet