Connect directly to the positive battery terminal. A fuse must be installed on this wire within 18 inches of the battery to protect the vehicle's electrical system.
The is a vintage-style 2-channel MOSFET power amplifier often used to upgrade car audio systems. This model is typically recognized for its "100W + 100W" power rating, which can reach up to 250 Watts when bridged into a mono channel. Key Performance Specifications Jensen A220 Amp Manual
Attach the ground wire to a clean, unpainted section of the vehicle's chassis. Keep this wire as short as possible—ideally under 36 inches. Connect directly to the positive battery terminal
Stable down to 2 ohms in stereo mode ; however, a minimum of 4 ohms is recommended when bridged to prevent damage. Jensen A220 Amp Manual