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Re: 4 ohms/8 ohms
Most likely not. 4 ohm is 1/2 the resistance of an 8 ohm. Does not mean the speaker will play 2x as loud. Means the amp in the head unit can deliver more power to the speaker. Usually 2x the wattage but from this head unit I doubt it. Might see 25% more wattage to the speaker. Will it play louder, most likey not. Will it sound better, not because of the impedence, but yes because it is a better speaker. Lower impedence means more distortion from the amp as well. So keep that in mind. As does more heat. Hope this helps.
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