Impeccable build quality Snug, comfortable fit with 3 ear bud sizes included High efficiency to maximize MP3 player battery life Rugged construction, durable 1/4" Plug adapter included Yamaha EPH-50BL In-Ear Headphones feature rich, full stereo sound with rugged, durable construction and three sizes of eartips to ensure a comfortable fit.
The EPH-50 in-ear headphones exhibit sound quality exceeding many over-ear headphones. The specifications for the EPH-50 in-ear headphones are difficult to find -- not listed on many sellers websites, but are:Impedance = 16 ohms /-30 percentSound pressure level = 104db /- 3dbFrequency rage = 20 - 21,000 HzFor in-ear headphones the EPH-50 sound quality is as superior as any of the other well known brands that list for $100.00 or more. Got them here a..
