SHMZ1200 mixer, The Technics SHMZ1200 4 Channel Mixer is the ideal solution to the DJ using a pair of SLs and a pair or DZ1200 CD decks. It boasts 2 digital inputs, perfect for digital sources and a digital output to facilitate zero signal degradation from the source to the destination. It's cross and channel faders are optical for accuracy and durability and the 'fader-start' function will allow cross-fader movement to start the DZ1200 remotely. The build quality is fantastic too!