No noise no distortion and no mis matched signals. The mackie mdb 1p passive di box lets you connect your instruments to a wide variety of destinations with outstanding results. Equipped with a single 1 4 input a handy 1 4 thru output and a balanced male xlr output you can hook your instrument up to a huge variety of devices whilst enjoying crystal clear defined sound. Premium analog circuitry and high performance components allow you to enjoy outstanding performance from a compact and easy to use device. A switchable 15db pad lets you connect higher level sound sources without distortion whilst the boxs passive design means you dont need to worry about powering your mdb 1p. And with mackies built like a tank construction you can enjoy premium sound for years to come.