First connect them with a resistor or a car lightbulb in between to limit the current. Typically the max power rating is 2 … the amps must be the same and it very beneficial to gain match the amps to be sure each coil is getting the same power and the same mono signal as to not try to feed a stereo signal to one speaker. You can wire two amplifiers, or even multiple amps, in one car audio system, but it takes some extra planning. Sticking a wire in a terminal lug and filling the cup with solder, NO. One SLA at 12 V and another at 11 V will cause VERY LARGE CURRENTS to flow as one charges the other. There are continuous and max power rating. If the sub receiver is not two channel then set it to stereo (no subs). Example. I'm not sure what you're trying to get at, but in general unless you want 3 different sound systems, you can't add power that way. Connect the subs to the receiver front speaker connections. 2.) Which means you could not strap your amps to a 3ohm load. I have 2 (two) Class D Stereo Amplifiers that are Bridgeable, they can support 2 x 8ohm (min 6ohm) speakers in Stereo and 1 x 4ohm Speaker in Mono (Bridged), it's also working properly and the Audio Input is the same as the Audio Decoder, a 3 … You will have two places to adjust sub level (sub out on main receiver, main volume on sub receiver). Your options wiring the subwoofers together to strap the amps, would be 1.5ohm and 6ohm. NEC 110.14b Says you can solder or braze current carriers if they are mechanically bonded and electrically secure even with out solder. Your best option is to run one sub per amplifier at 3ohm. four 1.2 volt 2,000 mAh wired in parallel can provide 1.2 volt 8,000 mAh (2,000 mAh x 4). Two amplifiers, each rated 100 watts maximum for an impedance of 4 Ω (four Ohms); in bridge mode they will appear as a mono amp, rated 200 watts into 8 Ohms.This is the most commonly misunderstood mode of operation and it requires additional circuitry to implement if the pair of amplifiers does not have the facility built in. They must be strapped if possible ending up as one amp anyway, or you feed two amps to two coils on the same sub (one amp per coil). Same type, model and capacitance. To accommodate 3 amps and 2 pairs of speakers you can daisy-chain 3 switches made according to the same principle as my switch. You can connect this to any input on the 2nd receiver that is line level (any one other than phono). minimalist is right, pre-amp outputs are the way to go, but there's a small issue. You're limited to only the power output of your second amplifier, not the combined power of your two amps. Re: Splicing two different types of wiring - Is it ok to do? 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