Do you have a question about the Fusion MS-DA51600 and is the answer not in the manual?
Connect to the +12V battery terminal via an inline fuse or circuit breaker.
Ensure a clean metal surface for a good ground connection to prevent system damage.
Check power, remote wire, and fuses for issues preventing the amplifier from powering on.
Instructions for wiring dual voice coil subwoofers in parallel to achieve 2 Ohm impedance.
Instructions for wiring dual voice coil subwoofers in series to achieve 8 Ohm impedance.