The Roland SRE-555 Chorus Echo is a rackmount tape delay based on the RE-501, offering chorus, tape echo and reverb effects. Designed for professional studio and live use, it features balanced XLR and 1/4″ inputs and outputs, a 77dB signal-to-noise ratio, and delays from 0.55 to 1.8 seconds. Its rack-friendly design and advanced noise reduction made it a reliable choice for engineers seeking classic Roland tape echo in a convenient format.