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SupraPlus Mono Voice Tube Headset – DISCONTINUED

Discontinued – Click for more info

Purchasing for business

  • As an authorized reseller of this product, business discounted pricing is only revealed via email as we cannot show it to the general public.
  • Every business order includes unlimited lifetime support from our Headset Helpdesk, saving you time and money.

Plantronic SupraPlus Wideband Headsets are Engineered to Deliver Life-like Fidelity When Used With the Latest Wideband VoIP Systems!

  • Manufacture Discontinued 10/18 – Replaced by EncorePro 510 Voice Tube Headset 
  • Connecting cable or amplifier required to connect to phone or PC (purchased separately – please contact BTP if you need to know which adapter is compatible)
  • Quick Disconnect feature provides walkaway convenience and compatibility with all Plantronics USB and desk phone audio processors and direct connect cables
  • Built for 24/7/365 usage
  • Clear voice tube (non-noise cancelling)
  • Spare voice tube included in SupraPlus package
  • The headset delivers richer, more natural communication as part of a wideband-enabled VoIP system
  • Wideband audio improves speech clarity and decreases errors, repeats, and listener fatigue
  • The highest level of performance for wideband VoIP communications
  • Non-noise cancelling; background noise, other voices, keystrokes, etc may be heard by customers
  • Adjustable rubber coated headband for comfort & good looks does not create pressure points on your head
  • Headset provides all day wearing comfort and reliability
  • A wider receive-side frequency response reduces miscommunication
  • Enhanced audio for greater listening accuracy
  • Soft donut-style foam ear cushions
  • Headset is designed for the most demanding environments
  • Replaced H251 March 2010
  • 2 year manufacture warranty
BTP Model: PL-HW251
MFR Part: 64336-31

Additional information

Weight 0.375 lbs
Dimensions 7.00 × 5.25 × 2.25 in


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User Guide PL-HW251

Data Sheet PL-HW251

Our Unmatched, Value-added Service Saves You Time, Money and Hassles:

  • Experienced consultants help you choose exactly the products you need, preventing unnecessary purchases
  • Free user setup help and training
  • 100% satisfaction guaranteed
  • Our team is committed to answering every call live during business hours
  • Same-day response to emails
  • Same-day shipping
  • Full warranty facilitated by BTP


For customer service, sales inquiries, and technical support, contact us Monday“Friday, 8-5 Pacific Time. (After-hours messages and emails are promptly returned the following business day.)

Call: 800-457-4287 or 425-649-9262

Email: info@btpi.com

Manufacturer discontinued.


“Thank you so much for the prompt, detail oriented and efficient effort with my order. You can now call me a repeat customer because of this, as the thisRead more

Christine N. (Seattle, WA)
Business Services