4 ohm speaker on 16 ohm system

Thanks all.

Where in the heck did you find a 16 Ohm amplifier???

A family member upgraded their sound-system and gave me the old one (and yes, Old one).

What's the application, and what's the wattage rating on the amp?

Just a simple sound system. Not sure what the output is though (other than 16 ohm).

Best not to overload the output stage - something like 10 ohms in series will
protect the amp from over-current, but you'll waste most of the output power.

Okay. As above stated, it is an old used one, so any sound, however low, is better than nothing.

Thanks