We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black monaural wired headset with padded earpiece, over-the-head band and 2.5mm adapter

Plantronics

Plantronics HW251N SupraPlus Monaural Wired Headset with 2.5mm Adapter

SKU CH-YX7B-MKSNM

Monaural wired headset with noise-cancelling microphone, padded earpiece, quick disconnect and included 2.5 mm adapter for wideband VoIP phones

  • ColorBlack
  • Monaural design keeps one ear free for office awareness
  • Noise-canceling microphone filters background sound for clearer calls
  • Wideband audio support enhances speech clarity on VoIP phones
  • Quick Disconnect lets you step away without removing the headset
  • Padded earpiece and over-the-head band provide all-day comfort

Product identity

The Plantronics HW251N SupraPlus is a wired monaural headset with a 2.5 mm adapter for wideband VoIP phones. It targets office professionals who need clear calls in noisy surroundings while keeping one ear free for nearby conversation.

Thermals noise power

Passive operation means no active cooling, zero fan noise and no external power requirement. The noise-canceling microphone suppresses background sound so the caller hears clean speech without added electrical hum.

Build and connectivity

Over-the-head frame with a padded single earpiece and Quick Disconnect fitting allows fast walk-away from the desk. The 2.5 mm adapter connects directly to compatible desk phones for immediate use.

Highlights

  • Monaural design keeps one ear free for office awareness
  • Noise-canceling microphone filters background sound for clearer calls
  • Wideband audio support enhances speech clarity on VoIP phones
  • Quick Disconnect lets you step away without removing the headset
  • Padded earpiece and over-the-head band provide all-day comfort

Specifications

BrandPLANTRONICS
ColorBlack

Questions about this item

How do I connect the HW251N to my desk phone using the 2.5mm adapter?

Plug the headset's Quick Disconnect into the coiled cord, then insert the 2.5mm adapter into the phone's headset jack; the step often missed is setting the phone to headset mode so audio routes correctly.

Which part of the HW251N wears out first and needs replacement?

The padded earpiece and microphone boom are the main wear items; replacement ear cushions and windscreens are available separately for the SupraPlus series.

How long can I wear the HW251N on calls before comfort becomes an issue?

The single-ear, over-the-head design with a padded earpiece is built for all-day use, but individual tolerance varies; take short breaks if pressure builds.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.