Amp Box S2 offers one stereo RCA input and delivers powerful, room-filling sound through your speakers. The sophisticated PCB concept & circuit topology achieve less distortion and a better signal-to-noise ratio. Voiced to approach the sonic characteristics of tube amps, Amp Box S2 sounds rich & musical and it highlights the warmth we love about analog. Due to its relatively tiny footprint, it is also the perfect solution where space is a factor. For example, it’s a great fit for desktop nearfield monitor speakers and for any system that requires top-notch performance in a small package.