How To Wire 2 Channel Amp To 4 Speakers

Right channel a positive b negative.

How to wire 2 channel amp to 4 speakers. If you need to wire more than four speakers particularly in a commercial installation see the article on distributed speaker systems. He shows a 2 channel set up and a 4. Ive put together some really detailed information to help make this as painless and inexpensive as possible. Yes two 4 ohm speakers in parallel will net a 2 ohm load.

Most often you accomplish this by connecting the positive wire from the subwoofer to the positive lead of one channel on the amp and then connecting the negative wire to the negative lead of the other channel. Now as you can see the amp will produce 60w per channel at 8 ohms and 120w at 4 ohm. So say the amp is 50x2 at 4 80x2 at 2. A positive and a negative for the right channel and likewise for the left channel.

Now from my days of car audio amps subs etc i remember that with a 2 channel amp you could run 4 speakers from it with no problem provided the amp can run at the appropriate resistance. Using a speaker selector switch is the simplest and safest way to connect four or more speakers with a 2 channel amplifier. Amplifiers have both a minimum and a maximum level of impedance and it is important to stay within these limits. On a 2 channel amp there are four terminals.

Which one to choose depends on both the speakers and the amplifier specifically their impedance levels and limits. However theyre intended for use with 4 speakers or 2 speakers and a sub not both. Wiring speakers in series raises the impedance delivered to the amplifier while wiring them in parallel lowers it. A common setup with a 4 channel amplifier is to wire 2 speakers each in parallel to channels 1 and 2 for a total of 4 then bridging channels 3 and 4 for the subwoofer.

Each terminal will be labeled as follows. How to wire four speakers to a 2 channel amp. 4 channel amps are great and have a lot of flexibility for the most part. To bridge a two channel amplifier locate the amp terminals.

For a practical discussion on how to wire just 2 speakers to an amplifier 4 speakers to a stereo amp see my article on how to connect 2 speakers to 1 amplifier. How to bridge a two channel amp. However it is possible to wire a 4 channel amp to 4 speakers and a sub. Lorenzo shows you how to wire your speakers to your factory wiring harness being powered by the head units amplifier or an aftermarket kenwood amplifier.

To connect your speakers using this method all you need to do is to connect the input wires of the selector box to the output jack of the amp and then connect all the speakers you have.