How to Connect 4 Speaker to a 2 Channel Amplifier? - Improve Stereo
How To Wire A 4 Channel Amp To 4 Speakers And A Sub: A Detailed Guide With Diagrams
Amazon.com: BLAUPUNKT AMP1404 1500 Watts Maximum Output Power 4-Channel Full Range Car Audio Amplifier + AUDIOBANK 6.5 Coaxial Car Audio Speakers 400 Watts Peak Power - (4 Speakers) : Electronics