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Product Brand & Model: Model 73-46 Vanner Heavy Duty Automatic Throttle Control System MSPR $342.00. Comes with auto throttle solenoid and all relays. This was purchased to install on a SPL built vehicle to automatically bring the truck to 2000 RPM's with the push of a button. It was...

...run my ~600w RMS system with my car(engine) off for 60-90 minutes? I have a Cadence ZRS7000 amp for my sub (900w RMS @ 2 ohms @ 13.8v) and Zapco Ref750.2 for two speakers run out of my trunk (175w RMS x2 @ 4 ohms @ ?? volts) the ~600w RMS is an estimate as of course I won't be pushing my...