Yes you can. You would wire a non inductive resistor of at least 25 - 50 watts power rating in series with each speaker in the positive wire. The resistance should be between 3-5 ohms. http/www.parts-express.com/4-ohm-100w-non-inductive-dummy-load-resistor--019-015
http/www.sears.com/unique-bargains-25w-3.9-ohm-5-power-wirewound/p-SPM7783881823?prdNo=1&blockNo=1&blockType=G1
Yes you can. You would wire a non inductive resistor of at least 25 - 50 watts power rating in series with each speaker in the positive wire. The resistance should be between 3-5 ohms. http/www.parts-express.com/4-ohm-100w-non-inductive-dummy-load-resistor--019-015
http/www.sears.com/unique-bargains-25w-3.9-ohm-5-power-wirewound/p-SPM7783881823?prdNo=1&blockNo=1&blockType=G1