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<blockquote data-quote="Lasherž" data-source="post: 8703796" data-attributes="member: 679555">God I hate how Sony hides all their power ratings on their website, annoying bs. You literally have to go into the manual to find out the RMS values lol, it&#039;s not on the specs.[URL unfurl=&quot;true&quot;]https://www.sony.com/electronics/support/res/manuals/4740/de0cea3deac418e2d4780819876b2f2a/47408851M.pdf[/URL]Page 20. So here&#039;s what I&#039;m thinking, you can either use your head unit to power the tweeters with its 20w RMS, or you can series a resistor with the tweeters and then link it to the front door in parallel, changing the resistance until their noise level is matched. I personally think using the Sony&#039;s internal amp for just the tweeters is the easier and less headache solution. That way the relationship between the volume of the tweeters and the other speakers will be determined by the settings on the amp. I&#039;m not sure if you&#039;ll have to baby those tweeters, if so you might need to just send the rear speaker RCAs to the amp and use &quot;2 channel input, 4 channel output mode&quot;, that way you can use your high pass filter settings inside the head unit to keep them safe from low tones that your amp may want to try and reproduce.</blockquote>

[QUOTE="Lasherž, post: 8703796, member: 679555"] God I hate how Sony hides all their power ratings on their website, annoying bs. You literally have to go into the manual to find out the RMS values lol, it's not on the specs. [URL unfurl="true"]https://www.sony.com/electronics/support/res/manuals/4740/de0cea3deac418e2d4780819876b2f2a/47408851M.pdf[/URL] Page 20. So here's what I'm thinking, you can either use your head unit to power the tweeters with its 20w RMS, or you can series a resistor with the tweeters and then link it to the front door in parallel, changing the resistance until their noise level is matched. I personally think using the Sony's internal amp for just the tweeters is the easier and less headache solution. That way the relationship between the volume of the tweeters and the other speakers will be determined by the settings on the amp. I'm not sure if you'll have to baby those tweeters, if so you might need to just send the rear speaker RCAs to the amp and use "2 channel input, 4 channel output mode", that way you can use your high pass filter settings inside the head unit to keep them safe from low tones that your amp may want to try and reproduce. [/QUOTE]

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