Hello. I own Infinity Kappa subwoofer with a switchable impedance 2ohm/4ohm. According to factory manual, T/S parameters change slightly when switching the impedance. Right now the subwoofer is running in 2ohm mode in a 1cu ft box (after driver displacement) with 1 pound of polyfill stuffed in it. Can I expect any improvement in SQ if I switch into 4ohm mode? I really don't want to try the actual switch right now because my amplifier is probably not strong enough to drive it with 4ohm load (only ~160watt RMS at 4ohm), but I could consider buying a new amplifier if any improvement in SQ can be expected, even though I enjoy its SQ as is already. The T/S specs are on the attached image.
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