Why Choose Us

With 20,000+ drivers trusting us with their builds, we’ve earned our name in the Phoenix car scene. We’re family-owned, hands-on, and obsessed with performance because we’re gearheads too.

Owned by a
Family of Locals

We’re a Phoenix-based, family-run shop that takes car amplifier installs seriously. Every amp we mount is treated like it’s powering our own system.

Built to Handle
Real Volume

We choose amplifiers that can push true RMS power without clipping or shutting down. If it can’t perform well, it won’t go in your ride.

Tuned for
Impact

We calculate load, match speakers, and set crossover settings so your car amplifier runs efficiently.

Quality You
Can Trust

We install proven amplifier brands known for reliability and output. No budget amps that fade out after a few months.

Powerful
& Safe

We route power cables safely and make sure your amp install supports your vehicle’s factory setup. Should any issue arise, we're also available for amplifier repair.

Modern
Integration

From multi-channel amp integration to mono blocks with DSP control, we integrate modern amplifier tech into any build.

Typical Configurations for Car Amplifiers

From simple front-door upgrades to full-ride sound machines, the right amplifier configuration makes all the difference. Here’s a look at the most common car amplifier installation setups we do:

Mono Block Amplifiers

Best for subwoofers and heavy bass setups. Delivers focused low-frequency power for deep, strong bass performance.

2-Channel Amplifiers

Great for powering a pair of speakers or bridging to a single sub. Commonly used for front speakers or smaller upgrades.

4-Channel Amplifiers

Combines four speaker channels and one dedicated subwoofer channel in a single unit. It’s designed to run a full interior speaker setup plus a sub from one amp.

5-Channel Amplifiers

Combines four speaker channels and one dedicated subwoofer channel in a single unit. It’s designed to run a full interior speaker setup plus a sub from one amp.

Multi-Channel Amplifiers (6+)

Multi-channel amp integration can power six or more speakers and subs at once. They give you maximum control, clean power distribution, and full-cabin sound.

Need a car amplifier repair? Let the pros handle it.

Give us a call today.

Sound Up! Explore Our Car Audio Amplifier Installation Process

Consultation &
Power Planning

We inspect your vehicle’s layout and electrical system to determine how much it can handle.

Amp Selection
& Quote

We spec the correct amplifier, wiring kit, and any needed electrical upgrades. Get a clear breakdown of the full car amplifier installation cost.

Amp
Installation

We start mounting, running gauge power, installing fuses, and wiring car amplifiers.

Sound
Check

Before you leave, we test output, set crossover points, match gains correctly, and fine-tune the system.

Why Our Clients Love Streetfighter Motorsports

They did a great job! They were super friendly and fixed my HIDs quickly. They even replaced my rusted hood pins with some new chrome ones without me asking 😊 definitely recommend going here!

− Erin C

Great service & knowledgeable. Rebecca always takes care of us. Communication is awesome. Have brought multiple vehicles all makes and models. Highly recommend if you are searching for someone that specializes in their craft.

− Nick Rodriguez

Whole team is super nice and they do quality work! Very happy with how everything turned out. Dropped my car off in the morning and it was done that afternoon. These guys don't drag their feet. Highly recommend Streetfighter Motorsports

− Justin Dean

Had the stock woofer taken out and replaced with two new ones in my Durango. Streetfighter did a fantastic job. Finished product is completely hidden and sounds perfect. Couldn’t be happier. You definitely get what you pay for with these guys. Am going to use them again for a few other jobs. Highly recommend.

− Joe Moley

Got me scheduled quickly, identified the cause of the issues:
- Stereo cutting out when turning or driving on a bumpy road. Caused by lose screws on one of the door speakers (my fault haha)
- Subwoofer not putting out any sound. Caused by my 15 year old amp not doing it's job ...

− Aaron Treptow

They had an excellent turn around time for work, helped me install some sound deadening after I got in over my head on it. Price was very reasonable. Owners are nice people, my car is very quiet now on the freeway. I’d definitely come back here for work in the future.

− Carter O'Neill

I had an incredibly horrible experience with Audio Express. Someone referred Rebecca at Streetfighter Motorsports LLC for my Mercedes. She knows her stuff and was so incredibly helpful. I got a new stereo, amplifier and speakers I am thrilled to death with my service and this business. Added a viper car alarm while I was at it! Thank you Streetfighter Motorsports LLC

− Hangar Girl

NOTE: As a family-operated small business, customer satisfaction is our number one goal, so we appreciate any and all feedback and suggestions on how we may improve. Please feel free to post comments, suggestions, or questions to our Facebook Page, Google, or on Yelp. We monitor these pages and will usually respond within 24 hours.

Additional Services We Offer

Safety & Security

Navigation & Connectivity

Marine & Powersports

Boat Audio & Lighting
Motorcycle Installs
ATV & UTV Installs
Marine-Grade Audio Systems

Lighting & Accessories

Diagnostics & Electrical

Electrical Automotive Repairs
Battery, Fuse & Wiring
ECU & Module Services

Our Recent Builds & Custom Installations

Browse Full Portfolio

Experience Phoenix’s Best for Car Amplifier Installs

When it comes to car amplifier installation, power is nothing without precision.

At StreetFighter Motorsports, we use only proven, high-quality amplifiers and components that can handle real RMS power. We stay transparent from start to finish, so you know exactly what’s going into your system and why.

You hear that? That’s the sound of your next upgrade calling.

SCHEDULE AN APPOINTMENT

Max Out Your Output With Custom Car Amplifier Installation & Tuning