It is still sealed packed.
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If there is no hole in your fire wall and you have to drill, make sure to avoid any of your car's vital components.
Hi Mike, If you have a stereo amplifier you are correct.
This is because two 4 ohm speakers in series makes the total load impedance 8 ohms.
The top has a curious, circular indentation whose purpose becomes clear when you flip the amp over -- it allows users to stack multiple amps, thanks to a rubber extrusion on the bottom.
The speakers are perfectly fine and sound great.
Repeat with the up button to set the minutes.