You can always depend on this ultra-compact dual beat counter/phono preamp. It packs two intelligent BPM counters with a Tempo Difference indicator, plus it features the Beat Assist and Sync Lock functions. In addition, we've included 2 state-of-the-art phono preamps to accommodate turntables, an accurate 6-digit LED input meter for precise level indication and illuminated switches. Ultra low-noise audio operational amplifiers offer outstanding sound performance. In addition, all MINI Series models can be stacked on top of each other to create an ultra-compact signal processing solution.