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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

Web site design by:
SS 16.4

Product Overview

The Broadcast Tools SS 16.4 provides matrix audio switching of 16 stereo inputs to 4 stereo plus 4 monaural outputs. Matrix switching allows any or all inputs to be assigned to any or all outputs. The SS 16.4 may be controlled via front panel switches, contact closures, 5-volt TTL/CMOS logic and/or the multi-drop RS-232 or RS-485 serial port. Installation is simplified with removable screw terminals (Euro).


  • True matrix switching, any or all inputs may be assigned to any or all outputs.
  • Three switching modes. Interlock, overlap and mix.
  • Logic functions via microprocessor and non-volatile memory.
  • Internal audio activity/silence sensors monitor all four-output channels. Each is equipped with front panel "ACT" LED indicators; adjustable alarm delay and restore duration. Sensitivity is factory set at -34db.
  • Front panel input selection switches are provided for each input channel with separate output indicator LED's.
  • Power-up selection of inputs to outputs, mute or last source selected.
  • Sixteen user configured macros.
  • Most configuration options via rear panel dipswitches.
  • 24 input GPI port (PIP) with LED indicator.
  • 16 open collector channel status outputs or programmable via burst commands.
  • 8 spst relay outputs. Programmable via burst commands.
  • Multi-turn input level controls.
  • Single turn output level controls.
  • Electronically balanced stereo inputs.
  • Electronically balanced stereo and monaural outputs.
  • Remote control of front panel functions and status.
  • Multidrop RS-232 or RS-485 serial port with data activity LED.
  • Multiple units may be cascaded to expand inputs.
  • Depluggable screw (EURO) terminals for ALL connections.
  • 2-RU chassis.
Applications Stereo audio matrix switching

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.