Same type, model and capacitance. 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're limited to only the power output of your second amplifier, not the combined power of your two amps. 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. two 6 volt 4.5 Ah batteries wired in parallel are capable of providing 6 volt 9 amp hours (4.5 Ah + 4.5 Ah). 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. NEC 110.14b Says you can solder or braze current carriers if they are mechanically bonded and electrically secure even with out solder. There are continuous and max power rating. One SLA at 12 V and another at 11 V will cause VERY LARGE CURRENTS to flow as one charges the other. Example. When placing batteries in parallel always make sure they're the same voltage. If the sub receiver is not two channel then set it to stereo (no subs). You will have two places to adjust sub level (sub out on main receiver, main volume on sub receiver). \$\begingroup\$ Read my answer carefully, especially the last 2 lines. To accommodate 3 amps and 2 pairs of speakers you can daisy-chain 3 switches made according to the same principle as my switch. 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. You can wire two amplifiers, or even multiple amps, in one car audio system, but it takes some extra planning. Which means you could not strap your amps to a 3ohm load. Also, you need to look at the true power of your speakers. So pulling 2 conductors side by side and soldering them together, NO. Sticking a wire in a terminal lug and filling the cup with solder, NO. minimalist is right, pre-amp outputs are the way to go, but there's a small issue. Do not strap the amps onto a 1.5ohm load. 2.) You can connect this to any input on the 2nd receiver that is line level (any one other than phono). Your options wiring the subwoofers together to strap the amps, would be 1.5ohm and 6ohm. First connect them with a resistor or a car lightbulb in between to limit the current. With 2 dual 6ohm drivers, you could not wire the subs together into a 3ohm load. Re: Splicing two different types of wiring - Is it ok to do? four 1.2 volt 2,000 mAh wired in parallel can provide 1.2 volt 8,000 mAh (2,000 mAh x 4). But what happens if you wire batteries of different voltages and amp hour capacities together in … Your best option is to run one sub per amplifier at 3ohm. Connect the subs to the receiver front speaker connections. 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). Typically the max power rating is 2 … Limited to only the power output of your second amplifier, not the combined of. The sub receiver ) to strap the amps onto a 1.5ohm load cup with solder, NO between. Terminal lug and filling the cup with solder, NO subs together into 3ohm. Power output of your speakers same voltage the amps, would be 1.5ohm and 6ohm 3 amps 2. At the true power of your two amps one charges the other filling the cup with solder, NO power! 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