Yamaha SVC50SK Silent Compact Cello Outfit It is easy to hold and play and the chest support, when attached during performance, offers the natural feel and resonance of an acoustic cello Designed with slim, compact dimensions that easily break down In addition to the reverb section, the instrument is also equipped with Auxiliary In, Line Out and Headphone Jacks Connect a compact disc player, mini disc player or cassette deck to the input jack to play along with your favorite recordings Auxiliary volume control provides independent control over the volume of an external audio source