2021 GMC Sierra AT4 - Endgame High End SQ Audio System - 2026 Update/System Overview

Current Build: Front Stage Accuton Automotive Black Diamond 1.5AM - Tweeters Accuton Automotive C100AM - Midranges Purifi PTT6.5X04 - Midbass Front Subwoofer Illusion C10 Rear Stage Steg MS30 Rear Subwoofers Acoustic Elegance IB18AU-4 Copper DSP Brax DSP ESS w/ Conductor Pro Source Apple iPad Mini 7 or iPhone Digital Coax to DSP via SMSL PO100 Pro LLJ Customs Harness (High Level) for Phone Calls/Chimes/Navigation Amplification Micro Precision 7 Series v2 Mono Amp - L Tweeter Micro Precision 7 Series v2 Mono Amp - R Tweeter Micro Precision 7 Series v2 Mono Amp - L Mid Micro Precision 7 Series v2 Mono Amp - R Mid Brax GX2000 Ch 1 - L Midbass Ch 2 - R Midbass Brax GX2400 Ch 1/2 Bridged - Front Subwoofer Ch 3/4 Bridged - Rear Subwoofer Power/Wiring Stinger/KnuKonceptz/Micro Precision Resonix Solderless RCA System Sound Treatment Resonix Sound Solutions - Everywhere Custom Fab Work Matt Kim (Audio In Reach) - Custom A Pillars Nick Apicella - Dash Pods Balance of work completed by RW Soundworks (me)

We Tested Every Big Name Subwoofer AGAIN! | Ultimate Subwoofer Sound Test Part 2
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We Tested Every Big Name Subwoofer AGAIN! | Ultimate Subwoofer Sound Test Part 2

The 2026 GMC Sierra Denali Ultimate is a better V8 truck than a RAM 1500 Tungsten
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The 2026 GMC Sierra Denali Ultimate is a better V8 truck than a RAM 1500 Tungsten

Stinger Heigh10 Final Thoughts...... LOC to DSP to Head Unit + DSP W/ BIG GAINS !!!!!!!
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Stinger Heigh10 Final Thoughts...... LOC to DSP to Head Unit + DSP W/ BIG GAINS !!!!!!!

Project GCSQ - Complete! - Stealth Ultra SQ Audio System - Full Walkthru
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Project GCSQ - Complete! - Stealth Ultra SQ Audio System - Full Walkthru

Dual Voltage Finally Done Right! Cadillac Escalade 14,000 watt sound system (4 Victron Step Downs)
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Dual Voltage Finally Done Right! Cadillac Escalade 14,000 watt sound system (4 Victron Step Downs)

2019 GMC Sierra full Lithium upgrade!
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2019 GMC Sierra full Lithium upgrade!

Morel Demo Car on Another Level! - Nissan GTR R35 High-End Audio System by Pssound
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Morel Demo Car on Another Level! - Nissan GTR R35 High-End Audio System by Pssound

ResoNix Sound Solutions GUS-15 Shallow Subwoofer Unboxing!
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ResoNix Sound Solutions GUS-15 Shallow Subwoofer Unboxing!

Audi A8 - Pure SQ High-End System - Accuton, Pioneer, Brax, Scan Speak, Audio Solution, GZ, Resolut
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Audi A8 - Pure SQ High-End System - Accuton, Pioneer, Brax, Scan Speak, Audio Solution, GZ, Resolut

GMC Yukon Denali EV - Upgraded Audio System EXPLAINED!
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GMC Yukon Denali EV - Upgraded Audio System EXPLAINED!

GM KILLED the 5.3 and 6.2 V8 — The 2 Replacements Left Every GM Owner SPEECHLESS
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GM KILLED the 5.3 and 6.2 V8 — The 2 Replacements Left Every GM Owner SPEECHLESS

2021 GMC SIERRA AT4 – 6 MONTH REVIEW! 🔥 Annoying Issues, Cool Features & Must-Know Answers!
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2021 GMC SIERRA AT4 – 6 MONTH REVIEW! 🔥 Annoying Issues, Cool Features & Must-Know Answers!

I BOUGHT A BROKEN GT3RS THAT PORSCHE REFUSED TO FIX
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I BOUGHT A BROKEN GT3RS THAT PORSCHE REFUSED TO FIX

World's Winningest Center Seat Sound Quality Vehicle! Pate's Honda Civic!
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World's Winningest Center Seat Sound Quality Vehicle! Pate's Honda Civic!

Under $250! Adding a Subwoofer to My GMC Sierra 2500 HD // Pioneer TS-WX140DA Review
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Under $250! Adding a Subwoofer to My GMC Sierra 2500 HD // Pioneer TS-WX140DA Review

The 7 Greatest Hi-Fi Speakers Ever Built (And Why You've Never Heard of Half of Them)
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The 7 Greatest Hi-Fi Speakers Ever Built (And Why You've Never Heard of Half of Them)

How Subwoofers, Speakers, and Enclosures are Made! CAF Visits the JL Audio Factory!
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How Subwoofers, Speakers, and Enclosures are Made! CAF Visits the JL Audio Factory!

THIS Is Why Modern Cars Are Getting EVEN WORSE in 2026
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THIS Is Why Modern Cars Are Getting EVEN WORSE in 2026

Skoda Superb High-End SQ System - Accuton, Mundorf, DLS, Morel, One Audio, Fiio, Helix
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Skoda Superb High-End SQ System - Accuton, Mundorf, DLS, Morel, One Audio, Fiio, Helix

2020 GMC Sierra AT4 - Custom Stereo Upgrade Parts and New Shop Overview
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2020 GMC Sierra AT4 - Custom Stereo Upgrade Parts and New Shop Overview