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#5 CHANNEL AMP 4 SPEAKERS 1 SUB WIRING DIAGRAM HOW TO#

The rating shown on the amp or in the owner’s manual serves as a warning. The speaker impedance or “Ohms” rating of a speaker (also called the speaker load) is the resistance to the flow of electrical current that the amplifier sees at the speaker terminals.Īmplifiers are designed to handle a minimum speaker load. Today’s 4 channel (and other) car amplifiers have a minimum speaker load they can handle. Never run an amplifier with a speaker load that’s lower than the rating! Your amp will run hot and possibly become damaged. Most car amps today have a minimum of 2 ohms per channel in standard (stereo) use and 4 ohms minimum when bridged.

Image showing a typical 4 channel amplifier’s minimum speaker load (Ohms) rating. What does the minimum impedance (Ohms) rating mean for an amp? That being said, don’t worry too much! You can still enjoy the music you love with a nice-sounding 4 speaker + subwoofer system.

Driving 4 speakers from 2 channels means the speakers are sharing the amp’s power, so you’ll have less power available to each of those.

If yours doesn’t, you’ll need a work-around I’ll show you.

Most but not all car amps today can handle speaker loads down to 2 ohms.

You’ll likely have to give up front-rear fader control ability as you’re giving up 2 channels for the rear speakers to drive a sub (2 front/2 rear).

To drive 4 speakers and a sub with a single 4-channel amp you’ll have to make a few compromises. Let’s get a few things out of the way before we go any further.

Additional suggestions & parts you may need.

What crossover settings should I use on my 4 channel amp?.

#5 CHANNEL AMP 4 SPEAKERS 1 SUB WIRING DIAGRAM HOW TO#

How to get around the lack of a front/rear fader.Using power resistors for harder installations (4 ohm min.DIAGRAM – How to wire a 4 channel amp to 4 speakers and a sub.What is “bridging” an amp? Why is this best for driving a subwoofer?.Speakers don’t measure exactly 4 or 8 ohms!.How to measure speaker Ohms with a multimeter.Minimum speaker loads for wiring a 4 channel amp to 4 speakers and a subwoofer.What does the minimum impedance (Ohms) rating mean for an amp?.