Yes if the 2 channel amp you bought has high level speaker level inputs you can run the speaker wiring signal to the 2 ch. The rest of your system should resemble this amplifier wiring diagram with your second battery essentially taking the place of the diagrams capacitor.

Memphis Audio Srx1244 12 500w Srx Subwoofer Vented Box Mono
Memphis amp wiring diagram. View and download memphis 16 pr1x500 owners manual online. Download 51 memphis car amplifier pdf manuals. All memphis audio wire is 100 pure copper and the best wire in the business. Please refer to our wire gauge sizing chart for the proper gauge of wire for your particular amp. I just bought my son 2 memphis audio 12s and the memphis audio 16 mcd500 watt amp to go with them used the amp is a one channel mono amp. 16 pr1x500 car amplifier pdf manual download.
Theres absolutely no problem doing this. Subwoofer and speaker wiring diagrams using subwooferspeaker impedance and quantity to illustrate correct method to wire drivers at the correct impedance. Amp for front channel use. Wire them like this diagram. Because those amplifiers have line level outputs you can daisy chain their connections to get inputs. Help wiring up some memphis subs and amp subwoofer wiring diagrams hmm well there in a obcon box the amp is the memphis prd i messed with.
I have 1 2 ohm dvc and 1 4 ohm dvc can they be wired to be used in same amp. 800 together will work better with your amp. User manuals memphis car amplifier operating guides and service manuals. Cca copper clad aluminum wire is an inferior wire to copper and transmits significantly less current compared to the same size wire in copper. Rca line level connections are preferred but this should be fine also. Zach wire each sub to its amp like this diagram.