D'Addario Helicore Cello String Set, 1/4 Scale, Medium Tension All Mixers The K900FX gives you 3

The K900FX gives you 3 independent stereo channels

the B115W delivers high-resolution sound that really brings out the best in your music

but the B2520 PRO puts it all in a convenient

then you’d lose all your sound

D'Addario Helicore Cello String Set, 1/4 Scale, Medium Tension All Mixers The K900FX gives you 3Scaled to fit 1 4 size cello with a playing length of 21 1 2 inches (545mm), medium tension strings are optimized to the needs of a majority of players. Helicore cello strings are crafted with a multi stranded steel core, resulting in optimal playability while producing a clear, warm tone. The smaller string diameter provides quick bow response. Premium quality materials combined with skilled workmanship produces strings known for excellent pitch