| If the sound is fine now then why mess with it ? If you feel the mids are lacking then the general plan would be to add midbass speakers; and it may be desirable (although not necassary) to increase your mid's crossover point at the same time.....
2ohms is fine for most amps especially at mid-high duty, and if you have a 2ch amp and want to add speakers there should not be a problem... the only hassel is that you don't have electronic xover control over the two speakers and will have to go passive for the midbass....
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SIC Audio | 
