What diagram do I use to have four 8-ohm speakers with a 4-ohm receiver? - Quora
How to connect four 8-ohm speakers in an 8-ohm amplifier? I have two channel amplifiers. Each channel I need to connect 4 speakers. Is that possible - Quora
Speaker Wiring Configurations - Celestion
NEW 8" Woofer Speaker.8 ohm. Home Audio Stereo Sound Replacement.100 watts.8inch | eBay
Combining 8-Ohm & 16-Ohm Loads | DIYMobileAudio.com Car Stereo Forum
How To Wire Two 8 Ohm Speakers To Equal 8 Ohms - BoomSpeaker