However theyre intended for use with 4 speakers or 2 speakers and a sub not both. Ive got dash and doors wired to the front channel rear shelf speakers to the rear channel.

How To Wire Car Speakers Speakergy
Wire door speakers to amp. How to wire new speakers when you are installing new speakers in your car or truck. When using an amp on your door speakers it is very important to have this set up correctly. However it is possible to wire a 4 channel amp to 4 speakers and a sub. The speaker wires from the new stereo arent used. Soldering will give you a better and longer lasting result. With the addition of an excess speaker to the output signal of an amplifier youre adding to the rest of the amplifier.
My sub is going through an alpine sub amp. If you amp both the front and back speakers and have the controls set up wrong then the back speakers can cause distortion from what you hear up front. Dashfronts on 2 channels with crossover as a component set rear doors on 2 channels and the sub on 1 channel. 2 get some type of active crossover for the dash and front door speakers and wire all the speakers up to the amp. Hu is alpine cda9833. Here is a great soldering kit.
But since were using an external amplifier for the speakers the speaker wires from the car get diverted to the amp thats the bundle of wires on the bottom plug heading left to the amplifier. Just took car out of storage and im getting no sound. Ive got dash door and rear speakers all 2 way wired to an alpine 4 channel amp. The manner in which your speakers in a multi speaker system are wired together determines the overall impedance. Many amplifiers can deal with a load of 2 speakers. Wiring configuration for 2 speakers in parallel two 4 ohm speakers 2 ohm load.
Thats two speakers will be double a load of a single speaker. If both speakers share the same positive wire connection theyre in parallel. Theyre either connected in parallel like for running at 1 or 2 ohms or separately inside a box. Multiple speakers on one amplifier. The wires would run from one black connector to the other the right side of the photo below. 4 channel amps are great and have a lot of flexibility for the most part.
Ive put together some really detailed information to help make this as painless and inexpensive as possible. Well actually speakers are bridged at the amp not in the box. You need to match them correctly for whatever ohms rating your amp has. Questions for option 2.