Etymotic ER-4P Review
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Higher sensitivity for use with portable devices 9dB more output with a 1mV input than the ER-4S Slightly modified frequency...
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Summary
Higher sensitivity for use with portable devices 9dB more output with a 1mV input than the ER-4S Slightly modified frequency response. Due to customer requests we increased the low frequency sensitivity of the ER-4P relative to the ER-4S Features include: Unparalleled sound accuracy Virtual elimination of external background noise (20-25 dB isolation) Lightweight and portable (great for traveling) High-fidelity monitor earphones for real-ear measurements The ER-4MicroPro¿ earphone system includes: 5′ cord with 3.5 mm stereo phone plug 1/4″ stereo phone adapter plug 6 white flanged eartips 10 black (13mm) foam eartips Filter-changing tool with 4 filters Instruction booklet Shirt clip Carrying pouch Storage box.
