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Message: <blockquote data-quote="Zenn" data-source="post: 1258212" data-attributes="member: 15503">when the 4ch is bridged it becomes 2 ch amp with double the power. interesting to note that it is 2ohm stable at all 4 channels, however the increase in power is only 8watts, hehe funny la this amp. for the monoblock and sub it depends on few more things that moght confuse u, how u wire the subs and what ohm ratings they are is how u know what power will be coming out of the amp. normal senario, your 2 subs are single voice coil 4 ohms, wired in parallel to give a 2ohm load, now the mono amp is giving 600W @ 2ohm, but each sub gets 300W each.the amp gain is to increase the signal strength received from your HU, careful not to over do it as speakers will rosak when its clipping/distorted. thats why ppl pay more for Hu with high voltage pre out so they can run their amps at zero gain for the cleanest sound.your connection to amp can only come before the amp, not after the amp. the el. crossover is used to divide the sound frequency to the proper speaker driven by their respective amps. so the crossover will filter the low sub sounds to the sub amp to the subwoofer. this way the tweeter will not get this sub sound and blow itself up.your coaxials dont have passive but they have a small coil or capacitor to separate the sounds going to mid and tweeter. together with your electronic crossover for the 2 amps that means youre running semi-active, hehe...now u owe me teh o ais limau + roti bakar 2 set</blockquote>

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