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PRODUCTS
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PRODUCTS
Evolution Series Subwoofers & Flat Packs
Behind The Screen "BTS" Subwoofers 18" 21" 24"
Devastator-21 (21" ported horn) for Music & HT
Devastator-15 "G-SUB" (15" ported horn) for Gaming, Music, & HT
Roundover MartySubs v2.1 15" Flat Packs
Roundover MartySubs v2.1 18" Flat Packs
Roundover MartySubs v2.1 21" Flat Packs
Roundover MBMs v2.1 18" & 21" Flat Packs
SpeakerPower Amplifiers
Peavey Amplifiers
Crown Amplifiers
Behringer Amplifiers
Subwoofer Drivers
RESOURCES
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RESOURCES
Performance Comparison Table
Assembly Instructions and Builder's Guide
Frequently Asked Questions (FAQ)
GALLERIES
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GALLERIES
DIY Builds and Stories
Prefer to pay your GSG invoice over time with Buy Now Pay Later or Installment Payments?
PRODUCTS
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Evolution Series Subwoofers & Flat Packs
Behind The Screen "BTS" Subwoofers 18" 21" 24"
Devastator-21 (21" ported horn) for Music & HT
Devastator-15 "G-SUB" (15" ported horn) for Gaming, Music, & HT
Roundover MartySubs v2.1 15" Flat Packs
Roundover MartySubs v2.1 18" Flat Packs
Roundover MartySubs v2.1 21" Flat Packs
Roundover MBMs v2.1 18" & 21" Flat Packs
SpeakerPower Amplifiers
Peavey Amplifiers
Crown Amplifiers
Behringer Amplifiers
Subwoofer Drivers
RESOURCES
expand
Performance Comparison Table
Assembly Instructions and Builder's Guide
Frequently Asked Questions (FAQ)
GALLERIES
expand
DIY Builds and Stories
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Product Lines
G-SUB (Devastator 15) Finished Subs and Flat Packs
Devastator Horn Subwoofers (Flat packs and Fully Finished)
Behind The Screen "BTS" Subwoofers
Roundover MartySubs v2.1 15" Flat Packs
Roundover MartySubs v2.1 18" Flat Packs
Roundover MartySubs v2.1 21" Flat Packs
Roundover MBMs v2.1 18" & 21" Flat Packs
SpeakerPower Amplifiers
Behringer Amplifiers
Subwoofer Drivers
Classic MartySubs (Non-roundover) 15" Flat Packs
Classic MartySubs (Non-roundover) 18" Flat Packs
Classic MartySubs (Non-roundover) 21" Flat Packs
Classic MBMs (Non-roundover) 18" & 21" Flat Packs
Evolution Series Subwoofers (Flat packs and Finished Subs)
Crown Amplifiers
Peavey Amplifiers
