Stock FAQs

how to install amp and subs with stock head unit

by Elody Stiedemann Published 2 years ago Updated 2 years ago
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Part of a video titled Add Aftermarket Subwoofer and Amp to Factory Stereo.
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So the first thing you do is you want to run your power cable. So you'll see there's a fuse. So ifMoreSo the first thing you do is you want to run your power cable. So you'll see there's a fuse. So if you get an amp wiring kit it'll come with that.

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The best way to connect it to a factory system is to tap into the stereo's speaker outputs for the amp's input signal. Then send the amp's outputs back to the stereo's harness, and on to the speakers through the factory wiring.

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Adding an amplifier to a factory stereo often requires running a lot of new speaker wire — from the stereo to the amplifier and then from the amp to the speakers. This can feel like an impossible nightmare. Fortunately, we have a way to make it a little easier.

How do I connect my amp to my car stereo system?

The positive and negative wires on the left are going directly into one of my subwoofers. I wired the subwoofers accordingly to a crutchfield diagram for 2 subs on a mono channel amp. The fuse is intact and not broken in any way.

Can you add an amplifier to a factory stereo?

Where do the positive and negative wires go on a subwoofer?

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Can you hook up subs and amp to stock stereo?

So now you know – it's definitely possible to install a subwoofer and amplifier to your factory system, and still have it sounding good. If you'd like to know more about how to get a killer system set-up in your car without swapping your stereo, give us a call at 510-527-9888.

Can you wire SUBS to a stock head unit?

Adding a subwoofer to a factory stereo is an excellent method to boost your sound while retaining your factory controls. The nifty devices can produce bass and sub-bass sounds at low frequencies. Thankfully, it's pretty simple to wire one into an existing car stereo system.

Can you install amp to factory head unit?

Usually, you'll be installing a 4-channel amplifier with speaker-level inputs. The best way to connect it to a factory system is to tap into the stereo's speaker outputs for the amp's input signal. Then send the amp's outputs back to the stereo's harness, and on to the speakers through the factory wiring.

How do I connect my amp to my head unit?

2:064:34How to install a car amplifier | Crutchfield DIY video - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe turn on wire is included in your amp wiring kit. Run these cables behind the dash to your stereoMoreThe turn on wire is included in your amp wiring kit. Run these cables behind the dash to your stereo. The turn on wire connects to a remote turn on lead in your stereos wiring harness.

Do I need to bypass factory amp?

Bypassing the factory amp takes a little more work because you have to run the bypass harness to the factory amp, which is often located in some other part of the car. It's usually worth the extra effort because you'll get better sound from your new stereo, even if you're keeping those factory speakers.

Can you run a sub without an amp?

In nearly all cases, the answer is yes. Unless you have a system in your car or boat that is already powering a subwoofer, you'll need to find an amplifier that will power your sub. Your head unit will typically provide a low-power signal (RCA output) that can be used for an amplifier to power your subwoofer.

How do you hook up subs to a stock radio?

2:3616:02How to Install Subwoofer WITHOUT aftermarket Radio - YouTubeYouTubeStart of suggested clipEnd of suggested clipThese ones we will have to tap into the black speakers. Um and then from there we can actually plugMoreThese ones we will have to tap into the black speakers. Um and then from there we can actually plug a pair of rcas. Right here and the other pair is going to go to the amp. Which are going to go.

How do you hook up a amp without a RCA jack?

There are almost three methods available to hook up your amplifier without using any RCA jacks.Connect Speaker Wire To RCA Adapter.Install Using High-Level Amp Inputs.Hook-Up Amp Using Line Output Converter(LOC)

Where do you connect the remote wire on a stock radio?

2:435:08How to: Wire an amp w/ Stock Radio - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd now they give you a remote out source the remote out wire will plug in to the remote wire inMoreAnd now they give you a remote out source the remote out wire will plug in to the remote wire in your amp. So whenever this line up converter gets a signal.

How do you hook up amps and subwoofers to a factory radio?

0:036:05How to: Add Aftermarket Subwoofer and Amp to Factory Stereo. - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the first thing you do is you want to run your power cable. So you'll see there's a fuse. So ifMoreSo the first thing you do is you want to run your power cable. So you'll see there's a fuse. So if you get an amp wiring kit it'll come with that.

Do head units have built in amps?

The majority of head units and stereos receivers do not have built-in amps. Because they're not a massive selection of head units with built-in amps, many opt to add an external amplifier instead. Some head units include built-in amplifiers, and others don't.

Can you run 4 speakers and a sub off a 4 channel amp?

A four-channel amp works to power: Four speakers; Two speakers and a subwoofer—you can use a four-channel amp to power a subwoofer and two rear full-range speakers by bridging two of the channels to power the sub.

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