
Celebrating 20 Years Of Innovation
Two decades of designing industry leading subwoofers and amplifiers.
Over-engineered and world record proven.
Powering In To The Winners Circle
Built To Break Records. Proven Power, Next-Gen Performance

Nightshade NS-Series NS6 10" 3500W Subwoofer NS v.6

Nightshade NS-Series NS6 12" 3500W Subwoofer NS v.6

Nightshade NS-Series NS6 15" 3500W Subwoofer NS v.6
5.0 / 5.0
(1) 1 total reviews

Nightshade NS-Series NS6 18" 3500W Subwoofer NS v.6
5.0 / 5.0
(6) 6 total reviews
SALT Series — 1,000W to 12,000W of competition Class D
Competition Power. Street Reliability. No Compromise.

SALT-200.4 4-Channel Amplifier

SALT-500.4 4-Channel Amplifier
5.0 / 5.0
(2) 2 total reviews

SALT-1700.5 5-Channel Amplifier

SALT-2000.6 6-Channel Amplifier

SALT-1 Class D Amplifier

SALT-1.5 Class D Amplifier
5.0 / 5.0
(2) 2 total reviews

SALT-2 Class D Amplifier
5.0 / 5.0
(3) 3 total reviews

SALT-3 3000W Class D Amplifier
5.0 / 5.0
(1) 1 total reviews

SALT-4 Class D Amplifier
5.0 / 5.0
(3) 3 total reviews

SALT-6 Competition Class D Amplifier
5.0 / 5.0
(1) 1 total reviews

SALT-8 Competition Class D Amplifier
5.0 / 5.0
(3) 3 total reviews

SALT-12 Competition Class D Amplifier
Make Your Build Yours
OFC And CCA Power, Ground, Speaker Wire. Your Color.

Full Tilt 50' 1/0 AWG OFC Power/Ground Cable
5.0 / 5.0
(3) 3 total reviews

Full Tilt 50' 1/0 AWG CCA Power/Ground Cable

Full Tilt 50' 4 AWG OFC Power/Ground Cable

Full Tilt 50' 8 AWG OFC Power/Ground Cable

Full Tilt Audio 100' 18 AWG 100% OFC Remote Wire
Real Basshead Reviews
Built By Experts.
As Master Trainer for Sundown Audio and XS Power, Ben Forman doesn't just teach the standard: he builds it. This 2013 GMC Yukon is Ben's personal showcase of what happens when a front stage tuned for accuracy meets a sub stage built for pressure, all backed by an electrical system engineered to keep every watt honest. It's a rolling reference point for work done right. Click here to read about Ben's full build.

Nightshade NS-Series NS6 15" 3500W Subwoofer NS v.6
5.0 / 5.0
(1) 1 total reviews

TEAM-10K
5.0 / 5.0
(2) 2 total reviews

SALT-2000.6 6-Channel Amplifier


Built for competition winners
Every Team Sundown member knows what it takes to dominate the audio game. Patrick Lissner’s build, featuring 4 Compact Neo V2 15s, Sundown wiring/RCA’s, and XS Power batteries/caps is more than a system; it’s a statement. Every Team Sundown setup is built to perform at the highest level because in this team, winners are standard.
GET LOUD FOR LESS
YARDSALE DEALS

Used X-Series v.3 18" Subwoofer

Refurbished Sundown Audio SFB5000D Amplifier
5.0 / 5.0
(1) 1 total reviews

Stereo Integrity SIQ 200.2 High-Fidelity 2-Channel Amplifier
5.0 / 5.0
(2) 2 total reviews

Refurbished Sundown Audio SFB2004 Amplifier
5.0 / 5.0
(1) 1 total reviews

Stereo Integrity SIQ 200.4 High-Fidelity 4-Channel Amplifier
5.0 / 5.0
(1) 1 total reviews

Stereo Integrity SIQ 75.4 High-Fidelity 4-Channel Amplifier
5.0 / 5.0
(1) 1 total reviews

Used Sundown Audio SFB5004 Amplifier

Used Sundown Audio SAEv32000D Amplifier
3.0 / 5.0
(1) 1 total reviews

Used Sundown Audio U v.1 Series 18
5.0 / 5.0
(1) 1 total reviews

Used Sundown Audio SFB1000 Amplifier
5.0 / 5.0
(2) 2 total reviews

Used SA-Series v.2 12" Subwoofer
5.0 / 5.0
(1) 1 total reviews

Used SD-Series v.4 10" Neo Subwoofer
5.0 / 5.0
(1) 1 total reviews
news and updates
Keep Up With Us

Hunstville Junefest 2025
The Huntsville Junefest presented by Spokes-N-Vogues was a fantastic car show, and we were ecstatic to have been invited as one of the premier vendors. JuneFest was a massive car...

SEMA 2024 Wrap-Up
Sundown is constantly developing the latest and loudest in high-power car audio. This year we brought a bevy of new gear to Vegas for the largest car show in the...
Knowledgebase
Jakes Corner

NS v.3 Historic Post
I wrote this back in 2014 regarding the NS v.3 - originally it had a super flexible sleeve system. We ended up making them all the "standard" gap after the...

NS v.4 Historic Post
I wrote this back in 2018 regarding the NS v.4 - we are currently on v.6 which is even better. Magnetically we upgraded to N52H and the heatsink cooling has...

Short Intro : Who is Jacob Fuller?
If you don't know me... I founded Sundown Audio in 2006. I was 23 years old at the time. After graduating South Iredell High School in 2001 I went to...

Sundown SA "Classic" Historic Post
I originally wrote this in 2014 to discuss the history of the SA Classic - which is STILL in our line to this day (since 2009):---------- We brought the SA-12...

Sundown X-Series History leading up to Xv.1 10/12/15/18
This is a historic article about the original Xv.1 subs that launched over a decade ago & I wrote this over a decade ago as well:----------- The Sundown X Series...

Subwoofers and Acceleration vs Frequency
A subwoofer has to accelerate MORE to play a lower frequency at the same SPL. Why? To go down one octave requires 4x the stroke - but it's only half...
