First ensure both your amplifiers are both powered off and remove any bridges connected to the binding posts of your speakers then follow the steps provided below to bi amp your speakers. Second upload today some have asked about my method of running two amps together sohere it is.

A Beginners Guide To Matching Speakers And Amplifiers
How to connect 2 amplifiers. Set slave amplifier output masterinput slave switch to slave input. Amplifier switching product options. Plus both sides of the left signal into the right and left inputs of the one amplifier. Connect the master amplifier to the head unit duh and set the amplifiers output masterinput slave switch to output master. If you have 2 amps but only 1 set of speakers heres the solution. This first product is in such a rare space it doesnt even have a name although.
How to connect two analog mixing consoles together duration. Run speaker wire in exactly the same way from the back of the second amplifier into input b. Run speaker wire from the back of one amplifier into input a on the back of the switch box making sure to connect right. Raj sound 498496 views. How to connect two amplifiers without mixerहद duration. Then feed the other the right signal in the same fashion.
The main factors that you need to consider when you wire in two or more amps are how you will deal with the power cable grounding each amp and whether or not the remote turn on signal from your head unit is strong enough to split between multiple amps. Connecting two amplifiers takes only three basic steps. 3 ways to connect a compressor to a mixing board without a send. Run speaker wire from the. The input of the amps should be a stereo input. Connect an rca cable from the pre out of your first amplifier to the inputs of your second amplifier.
2 way amp amplifier receiver to 1 one pair of speakers selector switch switcher splitter combiner. Feed the one a left signal by splitting the left signal input cable into two separate but still identical signals. You can wire two amplifiers or even multiple amps in one car audio system but it takes some extra planning. Connect 2 speakers in series to calculate the total load impedance of speakers in series simply add the impedances together if both speakers are less than 8 ohms or the amplifier requires a total load impedance greater than 4 ohms then it is best to connect the speakers in series.