Not unless they are wired in series.
2 ohm speakers are 2ohm. Wire 2 2ohm speakers in parralel and you get 1ohm, wire in series you get 4 ohm, this is the resistance that the amp encounters the other end of the cable.
Your components, are they a matched pair with crossover? If they are supplied as a set rated at 4ohm then thats the end resistance. If you bought 4ohm mids and 4ohm tweeters, and wired together, the amp is seeing either 2 or 8 ohm.
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