How to Hook Up a 2 Channel Amp

Connecting a two channel amplifier can shore up a new or existing system.

Two channel amplifiers have many uses. Whether shoring up the front channels on a surround system, driving speakers in a second zone, or powering speakers in a conventional stereo system, these units are flexible. Connecting a two-channel amp is also fairly straightforward, with most amplifiers' terminals labeled for function. Not much is required to connect a two-channel amp to an existing system, but the result can be a huge difference or a sublime one.

Things You'll Need

• Speaker wire
• Preamplifier
• Stereo RCA cables

Instructions

1. Access the rear of the preamp and amplifier. Locate the RCA preout jacks on the preamp, and the corresponding RCA input jacks on the amp. Plug the RCA cables from the preamp outs to the amp inputs.

2. Connect the left and right speaker outputs to the two speakers driven by the amplifier via the binding posts. Rotate the banana plug caps counterclockwise, exposing the holes on the posts. Insert the wires and rotate the caps clockwise to secure the inserted wire.

3. Plug the AC power cord into a nearby AC outlet. Turn on the preamp and amplifier to confirm proper operation.

Tips & Warnings

• Do not make speaker or RCA connections with the amplifier turned on to prevent short circuits.

References

• DIY Audio and Video: Speaker/Amplifier Wiring FAQ
• Practical Home Theater Guide: A Guide to Home Theater Wiring

Resources

• Crutchfield: Speaker Wire: Choosing and Installing