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Office Hours
Monday through Thursday, 8:00 am to 5:00 pm Pacific Time; closed Fridays

Broadcast Tools, Inc. will be closed in observance of the following holidays:

New Year’s Day, Thursday, January 1, 2015
Memorial Day, Monday, May 25, 2015
Labor Day, Monday, September 7, 2015
Thanksgiving Day, Thursday, November 26, 2015
Christmas Day, Friday, December 25, 2015

Designed and Assembled in
Washington State, USA

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Product Overview The New Broadcast Tools HPA-2 dual input headphone amp. This compact high-power stereo headphone amplifier will let you monitor between two independent stereo input sources, at a inexpensive price. The HPA-2 may be desktop mounted, under counter or with the optional HR-1/MP or HR-1/MP-XLR mounting plates, which may be turret or counter-top mounted.


  • High-power stereo amplifier
  • Front panel input selection switch
  • Front panel headphone level control
  • 1/4" and 3.5mm headphone jacks
  • Professional quality at all volume levels
  • Independent input level controls
  • Direct coupled low-noise NJM4580 output operational amplifiers.
  • Pluggable euroblock screw input terminals
  • AC 12-Volt adaptor included
Applications Ideal for monitoring between two stereo sources.

131 State Street • Sedro-Woolley, WA 98284
Ph: 360.854.9559 • support@broadcasttools.com • Fax: 866.783.1742
Monday through Thursday 8:00 AM to 5:00 PM Pacific Time

Broadcast Tools® is a registered trademark of Broadcast Tools, Inc.
All Sentinel® labeled products are a registered trademark of Broadcast Tools, Inc.
Copyright ® 1989 - 2015 by Broadcast Tools, Inc. All rights reserved.
Pricing and availability are subject to change without notice.