My first unboxing! Here is an unboxing of my new Ultimate Ears MetroFi 170 Noise Isolating Headphones. I have purchased these earphones to replace my senheisser cx300s. Specs: Earphone type: In-ear Speaker type: Single, high performance, dynamic speaker Input sensitivity: 103 dB SPL/mW at 1 kHz Impedance: 18 ohms at 1 kHz Cable length: 166.8 cm (46 inches) Weight: 12.4 grams (0.44 ounces) Input connector: 3.5 mm (1/8 inch) gold plated Frequency response: 20 Hz – 20 kHz Noise isolation: 16 dB Rate, comment, subscribe! follow me on twitter: twitter.com Follow my blog: wong041192.tumblr.com
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