These strings are very easy to play and sound great whether playing pizz or arco. I play jazz and have been using spirocores before now. The evah pirazzi strings are a little less bright and more gut-like with a nice percussive sound and I would highly recommend them.
The first time I ordered the string it sounded great but there was a very small dent in it, which affected the sound of one note by making a buzz. However, Thomann shipped a replacement straight away and this one is much better.