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etymotic - Page 2

post #16 of 18
11/27/11 at 11:14pm

Definately need an amp for the 4P, it brings it alive!

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Gear mentioned in this thread:

Etymotic Research ER4S MicroPro Reference Earphones
post #17 of 18
4/23/12 at 4:56pm

The amp seems to help the freq response to even out. ie, adds bass to an otherwise vacant curve.

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post #18 of 18
4/23/12 at 5:52pm

There is always a p to s prepared for 4p, which makes it really convenient to change the sound. However, there is still a little difference between 4s and 4p+p2s, so I tested and found out that p2s features 68.3 ohms which is slightly smaller than expected, maybe that is the reason count for the difference.smily_headphones1.gif

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Gear mentioned in this thread:

Etymotic Research ER4S MicroPro Reference Earphones