Alphasonik PSW408 DVC

[MrBright24]

I have 2 of these brought over 10 years ago and many cars ago never installed. I have no specs or parameters tried to get in touch with manufacture of them but no help, if I have to I will just guess until I smell smoke!! and they die. Help anyone!!!
Alphasonik 400 series

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[THATpurpleKUSH 5,000+ posts]

Buy a Dayton Audio DATS and measure the parameters. That model isn't in my Bass Box Pro database