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

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

Part Numbers

Symbol Key Descriptions:

††
This symbol next to a part means this part number is Going Obsolete. Check availability with customer service.
This symbol next to a part means No Discounts Allowed. Contact customer service if you have any questions.
PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
ETSKLF200 LF Aftershock Siren System, includes: (2) 100 Watt Speakers, 200 Watt Amplifier & Universal Brackets 3 Years $1268
ETSSLF100 Low Frequency Speaker, 100 Watt w/ Universal Bracket 3 Years $816
ETSKLF100 LF Aftershock Siren System, includes: 100 Watt Speaker, 200 Watt Amplifier and Universal Bracket 3 Years $974

Accessories

PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
ETSSLFVBK16 Aftershock Speaker Bracket (no drill) for the Dodge Ram 1500 (5th generation only) 2019 - 2022, Frame Mount/Passenger Side 3 Years $85
ETSSLFVBK09 Aftershock Speaker Bracket (no drill) for Ford Utility 2020 - 2022, Frame Mount Driver Side 3 Years $59
ETSSLFVBK15 Aftershock Speaker Bracket (no drill) for the Dodge Ram 1500 (5th generation only) 2019 - 2022, Frame Mount/Driver Side 3 Years $85
ETSSLFVBK14 Aftershock Speaker Bracket (no drill) for Chevrolet Tahoe Pursuit & Civilian 2021 - 2022, Frame Mount Passenger Side 3 Years $97
ETSSLFVBK13 Aftershock Speaker Bracket (no drill) for Chevrolet Tahoe Pursuit & Civilian 2021 - 2022, Frame Mount Driver Side 3 Years $97
ETSSLFVBK12 Aftershock Speaker Bracket (no drill) for Dodge Ram 1500 (Classic/SSV) 2014 - 2022 capable of holding up to two kits, Frame Mount Driver/Passenger Side 3 Years $103
ETSSLFVBK11 Aftershock Speaker Bracket (no drill) capable of holding up to two speakers for Ford F-150 2018 - 2022, Frame Mount Center 3 Years $113
ETSSLFVBK10 Aftershock Speaker Bracket (no drill) capable of holding up to two speakers for Chevrolet Silverado 1500 SSV only 2019.5 - 2021, Frame Mount Center 3 Years $60
ETSSLFVBK01 Aftershock Speaker Bracket (drill required) for Dodge Durango 2016 - 2020, Frame Mount Center 3 Years $59
ETSSLFVBK07 Aftershock Speaker Bracket (no drill) for Ford Utility 2020 - 2022, Frame Mount Passenger Side 3 Years $59
ETSSLFVBK08 Aftershock Speaker Bracket (no drill) for Dodge Charger 2011 - 2022, Bumper Mount Driver Side 3 Years $75
ETSSLFVBK03 Aftershock Speaker Bracket (no drill) for Ford Utility 2015 - 2019, Frame Mount Driver Side 3 Years $97
ETSSLFVBK02 Aftershock Speaker Bracket (no drill) for Dodge Durango 2016 - 2022, Frame Mount Passenger Side 3 Years $59

Service Parts

PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
PTSSLFHN02 Adapter Harness for Low Frequency Speaker - connects the siren to the amplifier 2 Years $22
PTSSLFHN01 Harness for use with Low Frequency Speaker 3 Years $22
PSRNLFANR2 Low Frequency Amplifier, 200 Watt 3 Years $658