Upcoming Events

Upcoming Events

Check out the Sound Off Series events coming up:


Stay Tuned for our 2020 Schedule 

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2019 SOS winners


May 2017

Sound Off Series Tour -Myrtle Beach
Courageous Kids

June 2017

Sound Off Series Tour -Detroit
Bottomless Toy Chest

August 2017

Sound Off Series Tour - Philadelphia
Divas for a Cure & Praise is the Cure

June 2018

Sound Off Series Tour -Michigan
Kids On the Go

Past Event Winners

Past Event Winners

Here are our previous event champions!

Boom Boom ROom
Boom Boom Room

3 vs 3 Team Battles

1st Place

Steve , Daniel Hearn , Robert McMillion

Boom Boom Room 2nd
Boom Boom Room

3 vs 3 Team Battles

2nd Place

Brian Parker , Edward Mansur Harden,Tennessee 

Boom Boom Room

3 vs 3 Team Battles

3rd Place

Abdullah Gray , Ron Johnson , Melvin Crawley

Boom Boom Room LW
Boom Boom Room

King/ Queen of Da Hill


King Of the Hill
Boom Boom Room

King/ Queen of Da Hill

Middle Weight

Boom Boom Heavy Weight
Boom Boom Room

King/ Queen of Da Hill


Event Rules & Classes

SOS Rules

  • 1 Each bike will be registered at the SOS registration table with all proper information. It is the participants responsibility to assure they have provided the registration table with the correct information including class. Refer to “class” section on the TMC website.
  • 2 In the preliminary rounds judges will allow participants up to 90 seconds with a minimum of 60 seconds.
  • 3 Depending on the amount of participation in each class will determine how many bikes will be in the ring. Traditionally (4) motorcycles will be in the ring during each heat.
  • 4 You must have the SOS songs downloaded on a device and/or have the ability to search the web to obtain them. The judges MAY utilize a song from the list to break a tie. For those who arrive without the songs, please have USB or Bluetooth capabilities or risk being DQ'd.
  • 5 Registration cut off times will be strictly adhered to unless exigent circumstances arise, which at that time will be at the discretion of the SOS staff.
  • 6 Judging will be based on a series of things but not limited to bass, treble, clarity, song selection, volume control, speaker staging, etc. We are listening for quality sound systems.
  • 7 The motorcycle must be able to ride in and out of the SOS ring. (NO PUSHING)
  • 8 In the finals round, each participant will have one minute to play song selection(s) Of their choice and then transition to the selected song from the SOS Playlist. The judges will then score the participants for a final score to determine a winner.
  • 9 Compression horns WILL be counted as speakers due to the frequency range they are able to play i.e. Horns with waveguides and diaphragms. (See photos)" The smaller "dome" style tweeter, Hertz ST25,etc. will NOT be counted in the speaker count. (See photos)
  • 10 Clipping will count as an immediate disqualification.
  • 11 Participants to assure the contest moves efficiently, please make sure you are with your motorcycle when called to the lanes!!
  • 12 CHEATING Rule - if any participant is caught in violation of the requirements listed for the entered class, they will be immediately disqualified from the competition. It is the right and discretion of SOS officials to conduct a reasonable inspection of the participants motorcycle within reason.
  • 13 Tuning - During competition participants will only operate the volume on the main source I.e. Radio/ Bluetooth device/ cell phone . The use of a bass volume knob may also be used. Tuning/ adjusting of crossovers, DSP, equalizers whether onboard or Bluetooth will be prohibited.
  • 14 Technical Issues: Each participant will have (2) two minutes to address any technical issues while in the ring. If the participant is unable to fix the issue he/she will we asked to exit the competition ring. The participant may return to the ring after all other participants in that class have competed at which time they will be given the opportunity to be scored. The participant will receive a FIVE (5) point deduction from their overall score for that round.

SOS Classes


Maximum of 6 speakers No sealed bags No speaker larger then 8”
NO SUBWOOFERS Compression horns COUNT...

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Up to 8 speakers NO speakers bigger than 10"mid and (no subs) **No more than two 10" Mids allowed**...

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9-14 speakers with a subwoofer/ Mid-bass restriction. You ARE permitted to have the following saddlebag enclosure restrictions...

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Unlimited speaker count/ Unlimited Subwoofer count...

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For full SOS Rules, please visit our Rules & Judging Criteria Page

SOS Featherweight Class:
Pounding the ground and your ear drums

  • Requirements:
  • Maximum of 6 speakers
  • No sealed bags
  • No speaker larger then 8”
  • Compression horns COUNT
  • (Lids can be sealed off with a baffle design or similar to avoid cancellation)

SOS Lightweight:
Don’t let the word “LIGHT” fool you!!!

  • Up to 8 speakers NO speakers bigger than 10"mid.
  • There is a total of (2) 10” Speaker limit in the lightweight class. This includes in the saddlebags or tour pack i.e. (Voodoo tour pack or similar)
  • Subwoofers are PROHIBITED.
  • NO SADDLEBAG ENCLOSURE ALLOWED. i.e. Sealed enclosure, Partially sealed enclosures. NO REMOVABLE ENCLOSURE PLATES/ CEILINGS ETC.
    (Refer to the photos for an example)
  • Saddlebag lids may be enclosed to separate the lid speaker(s) from the saddlebag to avoid cancellation. You must be able to open the lid for an inspection. (Refer to photos for an example)
  • Tour pack enclosures are permitted to be sealed.
  • Saddlebags walls MAY be reinforced with fiberglass, sound deadening material etc.

SOS Middleweight:
A notch or two above stock… OK… about five notches above stock…

  • 9-14 speakers with a subwoofer/ Mid-bass restriction. (Read Below)
  • You ARE permitted to have the following saddlebag enclosure restrictions:
  • (4) Four 8” subwoofers/ Mid-bass (Ex. Two (2) in each saddlebag)
  • (2) two 10” Subwoofers/ Mid-bass (Ex. One (1) in each saddlebag)
  • (2) two 12” MID-BASS (Ex. One (1) 12” mid in each in saddlebag NO SUBWOOFERS)
  • Tour Pack speaker restrictions: You are allowed the following (4) for 8”, (2) two 10” or (1) one 12” Subwoofers/ Mid-bass speakers will be allowed in the tour pack. This is in addition to whatever combination you have in the saddlebags.
  • Ex. (1) 10” in each saddlebag + (1) 12” Sub/Mid in the tour pack
  • Ex. (2) two 10' subs/mids total in the saddlebags + (2) 10" subwoofer/mid i the tour pack.*
  • Tour pack must be to manufactures specs. No oversized Tour packs**
  • Participants MAY NOT widen saddle bags from manufactures specifications.
  • Participants are permitted to alter the saddle bag mounting options i.e. rails etc.
  • Participants are permitted to mold side covers to the saddlebag to make ONE piece as part of your build.


Unlimited speaker count/ Unlimited Subwoofer count

This is a class designed for the highest level of motorcycle audio competition.
Saddlebags may be modified but must maintain the design of a touring motorcycle.

This includes: Molded side covers, widened and stretched saddle bags, wood bags, fiberglass bags, modified saddle bag lids.
(Must be road worthy rideable motorcycle. No rolling jukeboxes)
* - Trikes
* - Cycles with side cars
* - Heavily modified motorcycles

**If you have a saddlebag speaker enclosure you will be in the middleweight or heavyweight class depending on your speaker count and setup.**

Photo Gallery

Photo Gallery

Check out pictures from our previous events:



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