About the D'Addario KV310 4/4M Kaplan Vivo Violin String Set, 4/4 Medium:
 
Take your sound from neutral to nuanced with Kaplan Vivo violin strings. Kaplan Vivo offers focused, bright tone, with a faster, stiffer response for extra rebound. Coupled with their quick break-in period and enhanced projection, Kaplan Vivo strings provide a professional level of performance, which allows violinists to easily convey their instrument’s rich tonal palette. Kaplan strings are available in a range of sizes to suit most advancing players.