Looking for a contract Broadcast Engineer in your area?
Check out this link.
Having trouble with Lightning Damage?
Check out these websites:

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

Web site design by:

Product Overview The tiny TOOLS SUM-4 provides four line level high Z inputs, which accept a balanced or unbalanced source; stereo and monaural balanced low Z outputs; individual front panel level controls; stereo mixing/link port for input expansion and removable screw terminal connectors. The SUM-4 is designed to afford superior headroom and high definition audio. The SUM-4 may be set on a desktop, mounted on a wall or up to four units mounted on the RA-1, Rack-Able mounting shelf.

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.