The Thomastik Rondo RO400 cello strings were designed to support and enhance the performance of soloists and advanced musicians with power, projection and a rich sound that is suitable for all musical styles. The Rondo cello strings features a unique tonal intensity and vast dynamic range with a reliable response. Designed to tonally enrich old and modern instruments alike with an intense depth, brilliant contour and sweetness mostly associated with traditional Italian instruments, the RO400 cello set adds inner tonal density at various bowing speeds, bow pressures and contact points. This leads to a powerful presence, giving the player confidence when projection and volume need to be delivered with ease.