Depending on how many you want to use. If you are using one then you would wire the DVC to give you 2 ohms. Most "mono" amplifiers are ClassD. Those amps will handle 2 ohms mono and in some cases, 1 ohm. If you are going to do two then you have a couple of options... you can wire it in stereo on a two channel amp at which point you would be running 2 ohm stereo, which personally I don't think is the best choice. You can run them in series and achieve 4 ohms. Then you would run that on a typical Class A/B amplifier running "bridged" to achieve 4 ohm mono, which I still probably wouldn't do that because A/B amps are not as effecient as Class D and they draw more current which in a boat is crucial to consider. The third option, which would be my preference, is to find the class D amps that are stable to 1 ohm mono. There are many of them out there. Massive Audio, Memphis, Orion, etc... Again, I hope that this helps. If you are running more than two let me know and we can re-evaluate your application. Dale
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