Boss TE-2 Tera Echo Pedal Make Your Playing Soar with Majestic Ambience Powered by Multi-Dimensional Processing technology (MDP), the TE-2 Tera Echo produces a dynamic new stereo ambience effect that goes far beyond traditional delay and reverb. Features: • Next-generation BOSS compact pedal with innovative Multi-Dimensional Processing, realized with proprietary technology and custom DSP • Rich, spacious echo and ambience effects • Dramatically enhances the direct tone, but never overwhelms it • Freeze function holds the ambient sound for lead backing and sound effects • Ultra-responsive to volume changes and playing dynamics • Wide range of sound adjustment with simple controls • Mono/stereo input and output