Find the audio upgrades that actually fit your car.
Pick your vehicle and I’ll build you a step-by-step upgrade path — the right signal, speaker sizes, bass, and amp for your exact setup, with the gear I’d actually buy.
Start with your vehicle
Two quick questions and your plan is ready.
This is how I tailor the picks and the budget — no long survey, I promise.
2020 Ram 4500
Your 2020 Ram 4500 has a factory-integrated dash screen — it's not going anywhere, so the build works around it. The first move is an integration adapter that converts the factory source into a clean signal your amp can use. Speaker sizes aren't confirmed for your trim, so measure every location before you order. With a premium budget and a full-system-build goal, do it all at once: components up front, coaxials in the rear deck, a subwoofer in a sealed or ported enclosure in the trunk, and amplification across the full system. The 2020 Ram 4500's trunk is well-suited for a sub enclosure — the sealed space works in your favor for acoustic loading, and a box built to spec will perform cleanly at the volumes this build can deliver. Take the time to plan the run for power and signal before you start pulling panels.
The upgrade path
4 steps · ordered by impact · with DIY difficultyThe 2020 Ram 4500's dash screen is factory-integrated — it handles audio, navigation, and climate in one unit, and a head-unit swap would break those functions. The right move is a vehicle-specific integration or line-output adapter that taps the factory system's audio outputs and converts them into a clean signal your aftermarket amplifier can use. Metra, Scosche, and iDatalink make kits specifically for setups like this — many also preserve steering-wheel controls so you keep full factory functionality. Because the factory amp status is unconfirmed on your 2020 Ram 4500, check whether you need an active or high-level input adapter versus a passive line-out converter; your installer or the product compatibility listing will clarify. Get this step right and the rest of the build — speakers, amp, sub — all connect cleanly downstream.
No head-unit swap here — your factory screen stays. The right vehicle-specific integration adapter for your build is matched in a later step of the rollout.
Speaker sizes for your 2020 Ram 4500 aren't confirmed — measure every location before ordering. With a premium budget and a full system build, you're replacing all speaker positions at once. Component speakers at the front doors are the centerpiece of the front stage: a dedicated woofer, separate tweeter, and passive crossover give you accurate imaging and frequency response that a coaxial can't match. In a sedan like the 2020 Ram 4500, the rear deck coaxials fill the cabin from behind — they're straightforward to swap into deck cutouts and blend naturally when the components are doing the primary work up front. Because this build includes an amp, all of these speakers will get proper power — pick drivers with sensitivity and power handling that suit the amp channels you're planning. The combination of good components, real power, and a properly built sub in the trunk is what makes a full system build feel cohesive.
Why it’s the pick: The 5030cx has been my reliable 5.25" component pick for years because it threads the needle: easy to power on a deck but scales cleanly with an amp. Infinity’s edge-driven textil…
A full system build in a sedan needs real bass foundation, and the 2020 Ram 4500's trunk is the right place to build it. Skip the all-in-one powered sub — choose a quality component subwoofer, have an enclosure constructed to its manufacturer's recommended specs, and drive it with a dedicated mono amp. Done right, the bass from the trunk integrates cleanly with the front stage instead of just thumping independently. As a DIY install, keep the mono amp in the trunk near the enclosure to minimize power and signal cable runs. Getting the enclosure volume right for the sub you choose is the single most important factor in how it performs.
Why it’s the pick: JL’s W7 has been the reference standard for two decades because it blends control and command: deep extension without bloat, slam without smear. Its W-Cone assembly and OverRoll s…
For a full system build at a premium budget, an aftermarket amplifier isn't optional — it's the engine of the system. The factory amp status on your 2020 Ram 4500 is unconfirmed, but the answer is the same either way: the new speakers and subwoofer need clean, properly rated power, and the factory system can't deliver it reliably. Plan one channel for each speaker in the build plus a dedicated mono channel for the subwoofer. That can be a single multi-channel amp with enough channels, or a stereo amp for the speakers and a separate monoblock for the sub — both are legitimate depending on the power ratings you're matching. Because the 2020 Ram 4500's head unit is integrated, signal gets to the amp through an integration adapter. Match the amp's RMS output to the speakers' ratings and you'll have clean headroom across the board.
Why it’s the pick: VXi gives pro-grade tuning without extra boxes. JL’s NexD2 Class-D platform is efficient and quiet, and the integrated DSP plus TüN™ software can run active fronts and a sub from…
2020 Ram 4500 audio — common questions
What is the best subwoofer setup for a 2020 Ram 4500?
For the trunk, an all-in-one powered sub is the easiest big win; a slim/shallow sub keeps more trunk space, and a component sub + box delivers the most output.
Can you replace the head unit in a 2020 Ram 4500?
The 2020 Ram 4500 uses a factory-integrated screen, so the move is to keep the screen and integrate a clean signal with the right vehicle-specific adapter — not a head-unit swap.
Everything on CarAudioNow for your 2020 Ram 4500
Fitment is a guide, not a guarantee. Speaker sizes and fit details are based on your selected year, make, model, and audio package and can vary by trim, options, and prior modifications — always confirm before buying.
Your plan is guidance built from your selections (vehicle, goal, budget), not a guarantee of fit, sound, or results, and not a substitute for professional installation advice. Prices are pulled from retailers and may change at checkout.
CarAudioNow is reader-supported — some links are affiliate links and we may earn a commission at no extra cost to you. See our FTC disclosure and privacy policy.
