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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 4.4

Product Overview The SS 4.4 provides matrix audio switching of four stereo inputs to 4 stereo outputs. Matrix switching allows any/or all inputs to be assigned to any/or all outputs. The SS 4.4 may be controlled via front panel switches, contact closures and/or the multi-drop RS-232 serial port. Additional features include stereo silence sensor with SPDT relay, front panel stereo LED VU meters, stereo headphone jack with level control, powered monitor level control all with output selection switching, 16 Trigger(PIP)inputs, four GPO- open collectors and four SPDT relays. Installation is simplified with pluggable euroblock screw terminals. The SS 4.4 is supplied in a 1-RU chassis.

  • Separate input selection push buttons are provided for
    each output channel.
  • Three switching modes; Interlock, overlap and mix.
  • Internal silence sensor monitors output one and is
    equipped with a front panel LED indicator; SPDT alarm
    relay and adjustable SS alarm delay and restore timing
  • Stereo LED VU meters with front panel output selection
  • Stereo headphone amplifier with front panel output
    selection switch, headphone jack and level control.
  • Stereo powered monitor output with front panel output
    selection switch and level control.
  • Power-up selection of inputs to outputs, mute or last
    source selected.
  • Most configuration options via rear panel dipswitches.
  • 16 input “PIP” (GPI / Triggers) port (or remote control)
    with front panel LED indicator.
  • Four open collector status outputs or programmable via
    burst commands.
  • Four SPDT relays with selectable multiplex function on
    inputs assigned to output two.
  • Multi-turn input and output level controls.
  • Electronically balanced stereo inputs and outputs with
    low noise and distortion circuitry.
  • Multi-drop RS-232 serial port (USB and/or Ethernet
    optional) with power and data activity LED.
  • Multiple units may be cascaded to expand inputs.
  • Plug-in euroblock screw terminals for ALL audio I/O and
    remote control connections.
  • 1-RU aluminum enclosure.
  • Universal switching power supply.

  • Broadcast Automation audio switcher with trigger inputs.
  • Studio source selector
  • Transmitter site source selector.

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.