Custom car audio system with amplifiers, speakers and subwoofers installed by Radio Waves, Gqeberha
Home/Car Audio/Speakers, Subs & Amps
Speakers · Subwoofers · Amplifiers

Everything that
makes a car
sound better.

Components up front, subs in the boot and clean power to drive them — matched to your car, crossed over and tuned properly, by technicians who build systems for a living, not a hobby.

Authorised Rockford Fosgate dealer Speakers · Subs · Amps · DSP · Deadening
The signal chain

Every link, done right.

A great system is only as good as its weakest link — so we get the source, the speakers and the power all working together.

Head unit and source

Head Units & Sources

Where it starts

Android touchscreens with CarPlay and Android Auto, or clean OEM integration — a strong, clear signal to build on.

Car speaker and subwoofer

Speakers & Subwoofers

What you hear

Components up front for detail and staging, subs in the boot for the bass — matched and crossed over properly.

Car amplifier and DSP processor

Amplifiers & DSP

The power & the polish

Clean amplification plus DSP tuning, so the whole system plays loud, clean and balanced for every seat.

Jeep Gladiator Rubicon fitted out by Radio Waves, parked off-road at sunset in the Eastern Cape
Speakers · Subwoofers · Amplifiers ·

Bass with a Backbone.

Also part of the job Wiring & Looms Reverse Cameras Battery & Power Big-3 Upgrades Acoustic Treatment
01 — Speakers

The part you actually hear.

Factory speakers are built to a price, not a standard — thin paper cones, weak magnets and no real tweeter. They run out of detail the moment you turn it up. A proper speaker upgrade is the single biggest jump in sound quality you can make.

We fit speakers to suit how you listen and what your car can physically take, then cross them over so the highs, mids and bass each land where they should.

  • Component sets — separate tweeters and mids for a wide, lifelike soundstage up on the dash where it belongs.
  • Coaxials — clean, simple drop-in upgrades that lift clarity and volume without major fabrication.
  • Proper crossovers & tweeter placement so vocals sit centre-stage, not down by your knees.
  • Sealed-in baffles & deadened doors so the energy goes into the cabin, not into rattling panels.
02 — Subwoofers

Bass with a backbone.

A sub takes the strain off your door speakers and adds the low end music is mixed with — done right, it's tight and musical, not boomy.

01

Sealed

Tight, accurate and fast — the audiophile's choice for clean, controlled bass that suits any kind of music.

02

Ported

Louder and deeper for the same power — the go-to for hip-hop, dance and anyone who wants the bass felt as much as heard.

03

Custom Enclosures

Moulded and fibreglassed to your exact boot — stealthy or show-piece — keeping your space while hitting hard.

04

Under-seat & Compact

Slim active subs that add real low end to factory systems without giving up your boot — perfect for daily drivers.

Jeep Gladiator Rubicon fitted out by Radio Waves, parked off-road at sunset in the Eastern Cape
Speakers · Subwoofers · Amplifiers ·

Every Link, Done Right.

Matched to Your music Your boot space The right amp Daily or show
03 — Amplifiers & DSP

The power & the polish.

Your head unit's built-in power is the first thing to give up when you turn it up. A proper amp gives speakers and subs clean, controlled power — then DSP makes the whole system sing.

Clean, rated power

Amplifiers matched to your speakers and subs so they play loud without strain, clipping or distortion.

Headroom that lasts

Running an amp comfortably means it stays cool, sounds clean all night and protects your speakers long-term.

Multi-channel & mono

From a tidy 4-channel for your doors to a mono block for the sub — the right configuration for your build.

DSP tuning

Digital signal processing sets levels, crossovers and time alignment — the difference between loud and genuinely good.

Time alignment

We line up the sound so it arrives at your ears together — vocals dead-centre, a proper stage, every seat covered.

Solid, safe wiring

Correct gauge, fused power, upgraded grounds and Big-3 where needed — so the system is reliable, not a fire risk.

01 — The brands behind the sound

Amplifiers, Speakers & Subwoofers.

Power, drivers and bass from the brands we trust, stock and install — backed by genuine warranty.

Authorised & stocked brands
Bespoke installs

If it doesn't fit, we build it.

Off-the-shelf doesn't always suit the car — or the vision. Our workshop fabricates the parts that make a system look factory and hit like aftermarket.

Every custom build starts with your car, your budget and how you actually listen.

Plan a custom build
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Custom Sub Enclosures & Solutions

Sealed, ported or moulded boot builds — designed around your car's space, stealthy or flashy, and the experience you're after.

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Dash & Fascia Integration

Screens and head units fitted flush, with factory steering controls, chimes and cameras kept working.

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Amp Racks & Custom Boot Layouts

Show-quality amplifier and processor installs, mounted solid and wired clean.

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Acoustic Treatment

Silent Coat treatment to kill rattles, drop road noise and tighten up the bass.

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Finishing & Detailing

Trim, lighting and tidy looms, so it looks like it left the factory that way.

Rockford Fosgate AUTHORISED Dealer
Punch the clouds

A PREMIUM Rockford Fosgate dealer.

Radio Waves is an authorised Rockford Fosgate dealer in the Eastern Cape — full access to the Prime, Punch, Power, Marine, Motorcycle and ATV ranges, fitted and tuned by people who know the kit inside out. Genuine product, full warranty, expert installation.

Build a Rockford Fosgate system
How we work

Installed right, tuned right.

A straightforward process that protects your car's electronics and gets the sound right before you leave.

01

Listen & Plan

We talk through your car, your music and your budget, then spec a system to match.

02

Supply & Fit

Genuine product installed by our own technicians, with clean wiring and CANbus-safe integration.

03

Deaden & Integrate

Sound deadening where it counts, and factory screens, controls and cameras kept working.

04

Tune & Hand Over

DSP-tuned by ear and measurement, tested, and walked through with you before you drive out.

Common questions

Speakers, subs & amps — FAQ.

What people ask most before upgrading the sound in their car.

What's the best first upgrade for car sound?+
A proper front speaker upgrade. It's the single biggest jump in clarity and detail you can make, and it works with your factory radio. From there, an amp and a sub take it to the next level.
What's the difference between component and coaxial speakers?+
Coaxials have the tweeter built into the main speaker — a clean, simple upgrade. Components split the tweeter out so it can be mounted higher up, which lifts vocals onto the dash and gives a far wider, more lifelike soundstage.
Do I really need an amplifier?+
If you want clean volume, yes. A head unit's built-in power distorts as you turn it up, which sounds bad and can damage speakers. A properly-rated amp gives clean, controlled power with headroom to spare.
Sealed or ported sub — which should I get?+
Sealed is tight, accurate and musical; great for rock, jazz and all-rounders. Ported is louder and deeper for the same power; ideal for hip-hop, dance and anyone who wants to feel the bass. We'll match the enclosure to your music and your boot.
What is DSP tuning and is it worth it?+
DSP (digital signal processing) sets levels, crossovers and time alignment by ear and measurement so every seat sounds right. It's one of the biggest improvements you can make to a system's clarity and staging — the difference between loud and genuinely good.
Will adding all this drain my battery or strain the car?+
Not when it's wired correctly. We use the right cable gauge, proper fusing, upgraded grounds and Big-3 upgrades where needed, so the system runs reliably without putting your electrics at risk.
Are you a Rockford Fosgate dealer?+
Yes — Radio Waves is an authorised Rockford Fosgate dealer in the Eastern Cape, with genuine product, full warranty and expert installation across the Prime, Punch and Power ranges.

Make it sound
like it should.

Book a fitment or stop by the workshop in Newton Park. We'll spec the speakers, subs and amp to suit your car — and tune the lot.

Call 041 365 0680 ↗