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<blockquote data-quote="maylar" data-source="post: 211670" data-attributes="member: 541144">If by &quot;tapping&quot; you mean using an RCA &quot;Y&quot; cable to send the signal to 2 inputs, yes you can do that without any noticible losses. Not a good idea with speaker level or balanced lines though.RCA outputs use ground as the signal return. The cables are a single wire inside a shielded jacket. This has been the standard audio preamp connection for 50 years.Balanced lines have a separate wire for signal return. They have better noise rejection than single-ended lines. They use differential drivers and receivers in the equipment, so they&#039;re more expensive to implement. Mostly found on studio and high end audiophile equipment.Speaker level inputs are just that - you can connect them directly to the speaker wires of the head unit. Amps with speaker level inputs are handy when hooking them up to factory decks that don&#039;t have preouts.</blockquote>

[QUOTE="maylar, post: 211670, member: 541144"] If by "tapping" you mean using an RCA "Y" cable to send the signal to 2 inputs, yes you can do that without any noticible losses. Not a good idea with speaker level or balanced lines though. RCA outputs use ground as the signal return. The cables are a single wire inside a shielded jacket. This has been the standard audio preamp connection for 50 years. Balanced lines have a separate wire for signal return. They have better noise rejection than single-ended lines. They use differential drivers and receivers in the equipment, so they're more expensive to implement. Mostly found on studio and high end audiophile equipment. Speaker level inputs are just that - you can connect them directly to the speaker wires of the head unit. Amps with speaker level inputs are handy when hooking them up to factory decks that don't have preouts. [/QUOTE]

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