SoundOff Signal

LF Aftershock Siren System Product Image

LF Aftershock Siren System

Low frequency sound waves create deep warning tones for enhanced traffic clearing.

Features

Introducing Aftershock, SoundOff Signal’s first low frequency siren system for emergency vehicles. Aftershock’s low frequency sound waves produce deep warning tones, proven highly effective in
traffic clearing. Ideal for high traffic areas and busy intersections, Aftershock is available with
one or two speakers to meet your specific needs. Universal brackets included.

Customer support with unmatched can-do attitude

Contact Support

Tech Specs

  • Watts

    100 Watt
    200 Watt (with two speakers)

  • Input Voltage Range

    10-16 VDC

  • Current Draw

    8 Amps @ 100 Watts
    16 Amps @ 200 Watts

  • Output Voltage

    58-64Vpk-pk

  • Dimensions

    2.4" (6 cm) H x 4.7" (11.9 cm) W x 5" (12.7 cm) D

Resources

LF_Aftershock_Amplifier_IS
LF_Aftershock_Speaker_IS
sos_lfaftershock_productinfo_072919

Part Numbers

PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
ETSKLF100 LF Aftershock Siren System, includes: 100 Watt Speaker, 200 Watt Amplifier and Universal Bracket3 Years$769.00
ETSKLF200 LF Aftershock Siren System, includes: (2) 100 Watt Speakers, 200 Watt Amplifier & Universal Brackets3 Years$1,000.00
ETSSLF100 Low Frequency Speaker, 100 Watt w/ Universal Bracket3 Years$544.00

Accessories

PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
ETSSLFVBK09 Lower Frame Mount Bracket for the Aftershock Low Frequency Speaker for installation on Ford Utility 2020, mounts 1 speaker on Driver side (only)3 Years$45.00
ETSSLFVBK07 Lower Frame Mount Bracket for the Aftershock Low Frequency Speaker for installation on Ford Utility 2020, mounts 1 speaker on passenger side (only)3 Years$45.00
ETSSLFVBK08 Aftershock Low Frequency Speaker Frame Mount Bracket (no drill) for installation on Dodge Charger 2011 – 20193 Years$45.00
ETSSLFVBK01 Upper & Lower Frame Mount Bracket for the Aftershock Low Frequency Speaker for installation on Dodge Durango 2016 – 20193 Years$45.00
ETSSLFVBK02 Aftershock Low Frequency Speaker Frame Mount Bracket (no drill) for installation on Dodge Durango 2016 – 20193 Years$45.00
ETSSLFVBK03 Lower Frame Mount Bracket for the Aftershock Low Frequency Speaker for installation on Ford Utility 2015 - 20193 Years$65.00

Service Parts

PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
PTSSLFHN02 Adapter Harness for Low Frequency Speaker - connects the siren to the amplifier2 Years$14.00
PTSSLFHN02 Adapter Harness for Low Frequency Speaker - connects the siren to the amplifier2 Years$14.00
PTSSLFHN01 Harness for use with Low Frequency Speaker3 Years$14.00