IE4 is a seasoned old timer among earbuds, which was first unveiled back in 2005. The model is still in Sennheiser lineup and is used by musicians in wireless monitoring systems, while music fans see this particular model as the best upgrade of standard headphones for a player.

The SENNHEISER IE 4 earphones give great Bass.The sound is clear and crisp.I bought these buds for my COWON D2.I also tried CX 300 but specially Bass is better than CX 300.Also Mids and Treble.For this price you can buy another brand isolation earbuds they may be more successful on isolating but i...

i use them in a daily basis, the sound is awesome, you get a good noise-cancelling, the only two flaws i found are: -The bass is somewhat poor, most of the music genre will sound awesome, but if you are a Hip Hop or Metal Fan you will find them disappointing at some bass levels -After long listening...

- How long have you use it? 3 Years - What is the particular feature you like best and least? Resistors in turns but it must be cleaned often enough and not the cotton stalks hsiter prvoir going well! h hbr /> - Have you tried many other models before acqurir? not

PRO: Great sound and comfort

CON: None