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<blockquote data-quote="crx4luke" data-source="post: 2860691" data-attributes="member: 559304">You&#039;ll need to replace the speakers if you want the head unit to run without the factory amp. the bose speakers are almost always 2 ohm or 1 ohm speakers, so if the head unit runs those speakers directly, then you will eventually burn up the built in amp in the radio.I&#039;ve never tried it on the older acuras, but on the newer hondas like the element and the civic i&#039;ve wired up the speaker wires on the aftermarket harness to RCA&#039;s so that the RCA outputs on the aftermarket radio run a lower level signal into the factory amp. That may work without having to replace all the speaker, but like I said I couldn&#039;t be positive as I haven&#039;t tried it on an older acura.The best way to get it to work would still be to replace all the speakers and have the factory amp taken out of line and the aftermarket radio directly run the speakers. The speakers are probably needing to be replaced anyway if they are still factory paper from 1991 anyway If its too much for you, then you may want to take it to a professional.</blockquote>

[QUOTE="crx4luke, post: 2860691, member: 559304"] You'll need to replace the speakers if you want the head unit to run without the factory amp. the bose speakers are almost always 2 ohm or 1 ohm speakers, so if the head unit runs those speakers directly, then you will eventually burn up the built in amp in the radio. I've never tried it on the older acuras, but on the newer hondas like the element and the civic i've wired up the speaker wires on the aftermarket harness to RCA's so that the RCA outputs on the aftermarket radio run a lower level signal into the factory amp. That may work without having to replace all the speaker, but like I said I couldn't be positive as I haven't tried it on an older acura. The best way to get it to work would still be to replace all the speakers and have the factory amp taken out of line and the aftermarket radio directly run the speakers. The speakers are probably needing to be replaced anyway if they are still factory paper from 1991 anyway If its too much for you, then you may want to take it to a professional. [/QUOTE]

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