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<blockquote data-quote="elpruss" data-source="post: 8552749" data-attributes="member: 672326">I just installed a Zapco ST-5X, rated at 80X4 and 160X1 @ 4 ohms, paired with JL Audio C2-650 components and one JL Audio 10W0V3 sub (4ohms, 300 watts RMS)I&#039;m disappointed with Zapco because their website says the amp is rated 80X4 + 350x1 @ 4 ohms, but after getting the amp and reading the manual, it says 160 @ 4 ohms and 320 @ 2 ohms.I set the gain by ear using a 40Hz sine wave, and it seemed to start clipping really low (like at 30%). I&#039;m not sure if it was clipping or another vibration in my vehicle I was hearing, but I think I got it right.Anyway, bottom line is that I&#039;m not happy with the bass output. I don&#039;t want to rattle windows on homes or anything, but currently the highs/mids seem to overpower the base.So, would I see a significant boost in sub output by upgrading my sub to a JL Audio 10W1V3-2 which is a 2ohm sub, rated at 300 watts RMS&nbsp; and should increase the amp output to 320 watts RMS?I really don&#039;t want to add another amp.</blockquote>

[QUOTE="elpruss, post: 8552749, member: 672326"] I just installed a Zapco ST-5X, rated at 80X4 and 160X1 @ 4 ohms, paired with JL Audio C2-650 components and one JL Audio 10W0V3 sub (4ohms, 300 watts RMS) I'm disappointed with Zapco because their website says the amp is rated 80X4 + 350x1 @ 4 ohms, but after getting the amp and reading the manual, it says 160 @ 4 ohms and 320 @ 2 ohms. I set the gain by ear using a 40Hz sine wave, and it seemed to start clipping really low (like at 30%). I'm not sure if it was clipping or another vibration in my vehicle I was hearing, but I think I got it right. Anyway, bottom line is that I'm not happy with the bass output. I don't want to rattle windows on homes or anything, but currently the highs/mids seem to overpower the base. So, would I see a significant boost in sub output by upgrading my sub to a JL Audio 10W1V3-2 which is a 2ohm sub, rated at 300 watts RMS and should increase the amp output to 320 watts RMS? I really don't want to add another amp. [/QUOTE]

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