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The Daily Insight

How do you hook up a sound equalizer?

Author

David Ramirez

Published Mar 10, 2026

How do you hook up a sound equalizer?

Connect one pair of RCA cables between the receiver and equalizer. Connect one pair of cables to the pre-amp output channels on the receiver and the other end of the cable to the left and right channel inputs on the equalizer. You will usually find these channels on the rear of the equalizer.

How do you connect EQ to preamp?

Locate the preamp in and preamp out at the back of each unit. Connect one pair of the cables to the preamp output port on the amplifier and the rear end to the preamp input port on the equalizer. Then, work with the other pair. Attach the cable from the output port on the equalizer to the input port on the amplifier.

Should I use an equalizer?

So people usually use equalizers to make their speaker’s frequency response flat or uncolored. Trying to improve your audio system’s sound with an EQ can either be for the better or worse. You can definitely improve your audio setup with an equalizer if you know what you’re doing.

Can I use an equalizer as a preamp?

Yes, you’ll need two sets of RCA cables to do that. 1) Use the power amp input for the EQ, instead of for the preamp. Connect it to the EQ output with one set of RCA cables. 2) Use the output on your preamp and connect that to the EQ input with the other set of RCA cables.

What are good equalizer settings?

What are frequency ranges?

  • 20 Hz – 60 Hz: Super low frequencies on the EQ.
  • 60 Hz to 200 Hz: Low frequencies requiring a bass or lower drums to be reproduced.
  • 200 Hz to 600 Hz: Low mid-range frequencies.
  • 600 Hz – 3,000 Hz: Mid-range frequencies.
  • 3,000 Hz – 8,000 Hz: Upper mid-range frequencies.

What is a graphic equalizer used for?

Why use a graphic equalizer? A recording of music or spoken word can pick up a variety of tones, not all of them pleasant. A graphic equalizer (EQ) offers a simple solution: boost or cut (make louder or softer) a specific range of frequencies to improve sound quality.

What’s the best way to hook up an equalizer?

Most receivers have either preamp-in and preamp-out connections or tape monitor connections. In most cases, these are the best way to connect an equalizer to your stereo. However, if your receiver does not have these channels then some amplifiers allow you to connect the equalizer directly.

Do you need a monitor to hook up a graphic equalizer?

If your unit does not have a tape monitor or pre-amp/amp connectors, you’ll need to open the receiver case and install an input/output connection between the amplifier and the pre-amplifier. This is best accomplished by a trained audio technician.

What does an equalizer do in an audio system?

An equalizer is a useful piece of audio equipment that allows the user to adjust the frequency responses of an audio signal. They are available in a range of different prices and features, but all perform the same basic function: adjustment of the sound level at different frequencies.

How do I get the EQ effect on my equalizer?

When you want to get the eq effect, you press the tape button on your amplifier and select the source you wish to hear on your amplifier (input select). Make sure the tape monitor button is off on your equaliser to hear what is selected with the input select knob.

How do you hook up an equalizer to a receiver?

Connect one pair of RCA cables between the receiver and equalizer. Connect one pair of cables to the pre-amp output channels on the receiver and the other end of the cable to the left and right channel inputs on the equalizer. You will usually find these channels on the rear of the equalizer.

How do you hook up an equalizer to a tape monitor?

Connect one pair of cables to the tape monitor output channels on the receiver and the other end of the cable to the left and right channel inputs on the equalizer. You will usually find these channels on the rear of the equalizer. Connect the other pair of RCA cables between the receiver and equalizer.

Where is the yellow wire on an equalizer?

The yellow wire (could be red or another color- check your manual) on your equalizer is the 12V power cable. Connect this cable either to the power cable attached to the receiver or to a 12V variable power source in the fuse box (such as the wiper fuse).

When you want to get the eq effect, you press the tape button on your amplifier and select the source you wish to hear on your amplifier (input select). Make sure the tape monitor button is off on your equaliser to hear what is selected with the input select knob.