Etymotic : ER-4P

รหัสสินค้า: 000478

รายละเอียด: หูฟัง Etymotic แบบ In ear รุ่ยยอดนิยม โดยรุ่นนี้มีค่า Impedance ที่ต่ำจึงเหมาะกับการใช้คู่กับเครื่องเล่น Mp3 หรือ gadget คู่ใจได้โดยไม่ต้องกังวลเรื่องกำลังขับจากเครื่องเล่นซึ่งต่าจาก ER4S ที่มีค่า impedance ที่สูงจึงเหมาะใช้คู่กับ Headphone Amp

The ER-4P MicroPro noise-blocking earphones from Etymotic Research offer realistic sound reproduction and noise isolation that far surpasses that of active noise-canceling earphones. The ER-4P earphones--which require no batteries--can be plugged into any audio source. They can be used with portable CD, MP3, DVD, and other players without an additional amplifier.

The ER-4P earphones were designed to match the response of the ear, creating nearly perfect sound reproduction. They reduce external sound naturally by sealing your ear canals, without the added weight, bulk, or external power supply required for active noise-canceling. Their external noise exclusion (up to 33 dB using the supplied 3-flange eartips and 41 dB with foam eartips) lets you hear the full dynamic range of recordings without your having to play them at unnaturally high and unsafe levels.

What's in the Box
ER-4P MicroPro earphones, a 5-foot cord with 3.5 mm stereo phone plug, a .25-inch stereo phone adapter plug, six 3-flange eartips, 10 foam eartips, a filter-changing tool, 4 replacement filters, a shirt clip, a zippered pouch, a storage box, a user's manual, and warranty information.

Product Description
The ER?4P MicroPro earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones.. Their external noise exclusion -- 33 dB with 3-flange eartips, 41 dB with foam eartips -- allows you to hear the full dynamic range of recordings without having to play them at unnaturally high and unsafe levels. Etymotic Research, Inc.warrants this product against defects in material or workmanship for a period of 1 year from the date of original purchase from an authorized Etymotic distributor or reseller. Proof of purchase is required. The warranty can be extended for 1 additional year if Etymotic receives a warranty card with proof of purchase any time within the first year

Features:

1. noise isolation far surpassing that of active noise canceling earphones
2. transparent, reference-quality sound
3. frequency response: 20hz-16khz, ± 4db
4. impedance (er-4p): 27 ohms nominal
5. no batteries required
6. 5' cord with 3.5mm stereo phone plug
7. includes carrying case, 1/4" stereo adapter plug, six 3-flange eartips, 10 foam eartips, filter changing tool, 4 replacement filters and shirt clip
weight: 0.25 (lbs)

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