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HA40 Portable Handset Amplifier for Desk Phones by Clarity



Who we are logo, BTP representative with headsets

Every order includes unlimited lifetime support from our Headset Helpdesk, saving you time and money.

The Clarity HA40 Portable Telephone Handset Amplifier featuring Clarity Power technology makes telephone conversations not only louder, but also clearer and easier to understand.

  • Compatible with single line or multi-line desk phones, standard and electric phones
  • Connects easily between handset and telephone base
  • Increases incoming sounds up to 40 decibels
  • Adjustable incoming volume control
  • Adjustable tone control (600-2400Hz)
  • Boost button allows for even more amplification and eliminates background noise and feedback by muting the microphone in the handset
  • Not compatible with cordless phones, cell phones, or princess style land line phones
  • Battery powered (9-volt battery included)
  • Manufactured by Clarity
  • Replaced CE225 8/13
  • 1 year manufacturer’s warranty
BTP Model: PL-HA40
MFR Part: 1933

Additional information

Weight 0.4375 lbs
Dimensions 9.00 × 6.50 × 1.75 in


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User Guide PL-HA40

Data Sheet PL-HA40

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

Quick ship, standard stock.

This item is normally in stock. Orders received Monday-Friday by 2:30 pm Pacific Time, ship the same day.

If this product is out of stock or on backorder from the manufacturer, a BTP Customer Service Representative will notify you by phone or email with an estimated ship date. If your order includes some in stock products, you may request a partial shipment of in stock item(s) with the out of stock item(s) to follow when available.

BTP does everything possible to eliminate delays and unnecessary expense associated with returns. At least two members of the BTP team will review your order for accuracy. If we have any questions or concerns about your order, such as two incompatible products, we will contact you right away.


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