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. Once a part number is discontinued, it will no longer show up in the part numbers list below.
This symbol next to a part means No Discounts Allowed. Contact customer service if you have any questions.
PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
ETSKLF100 LF Aftershock Siren System, includes: 100 Watt Speaker, 200 Watt Amplifier and Universal Bracket 3 Years $807
ETSKLF200 LF Aftershock Siren System, includes: (2) 100 Watt Speakers, 200 Watt Amplifier & Universal Brackets 3 Years $1050
ETSSLF100 Low Frequency Speaker, 100 Watt w/ Universal Bracket 3 Years $571

Accessories

PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
ETSSLFVBK01 Upper & Lower Frame Mount Bracket for the Aftershock Low Frequency Speaker for installation on Dodge Durango 2016 – 2021 3 Year(s) $50
ETSSLFVBK02 Aftershock Low Frequency Speaker Frame Mount Bracket (no drill) for installation on Dodge Durango 2016 – 2022 3 Year(s) $50
ETSSLFVBK03 Lower Frame Mount Bracket for the Aftershock Low Frequency Speaker for installation on Ford Utility 2015 - 2019 3 Year(s) $83
ETSSLFVBK07 Lower Frame Mount Bracket for the Aftershock Low Frequency Speaker for installation on Ford Utility 2020-2022, mounts 1 speaker on passenger side (only) 3 Year(s) $50
ETSSLFVBK08 Aftershock Low Frequency Speaker Frame Mount Bracket (no drill) for installation on Dodge Charger 2011 – 2022 3 Year(s) $64
ETSSLFVBK09 Lower Frame Mount Bracket for the Aftershock Low Frequency Speaker for installation on Ford Utility 2020-2022, mounts 1 speaker on Driver side (only) 3 Year(s) $50
ETSSLFVBK10 Frame Mount Bracket (no drill) for the Aftershock Low Frequency Speaker for installation on Chevrolet Silverado 1500 SSV (VIN starts with 1G) 2019.5 - 2020-2021, mounts 2 speakers 3 Year(s) $51
ETSSLFVBK11 Frame Mount Bracket (no drill) for the Aftershock Low Frequency Speaker for installation on Ford F150 2018-2022, mounts 2 speakers 3 Year(s) $96
ETSSLFVBK12 Frame Mount Bracket (no drill) for the Aftershock Low Frequency Speaker for installation on Dodge RAM 1500 2014-2018, RAM 1500 2019-2021 4th GEN (SSV & Classic), mounts 1 speaker to either driver or passenger side 3 Year(s) $88
ETSSLFVBK13 Frame Mount Bracket (no drill) for the Aftershock Low Frequency Speaker for installation on Chevrolet Tahoe Police Pursuit & Civilian Vehicles 2022, Driver Side 3 Year(s) $83
ETSSLFVBK14 Frame Mount Bracket (no drill) for the Aftershock Low Frequency Speaker for installation on Chevrolet Tahoe Police Pursuit & Civilian Vehicles 2022, Passenger Side 3 Year(s) $83

Service Parts

PART NUMBER DESCRIPTION WARRANTY UNIT PRICE
PTSSLFHN01 Harness for use with Low Frequency Speaker 3 Year(s) $15
PTSSLFHN02 Adapter Harness for Low Frequency Speaker - connects the siren to the amplifier 2 Year(s) $15
PSRNLFANR2 Low Frequency Amplifier, 200 Watt 3 Year(s) $545