Heritage Audio 73-DI-ONE One Active Single Channel DI BoxInject virtually any passive instrument in your repertoire with vintage warmth and life with the Heritage Audio 73DI One, a DI box based on the classic 73 style preamp with a high impedance JFET on the input and a balanced, transformer isolated output stage. With the custom built transformer, you can enhance bass, keys, synths, and more with wonderful low mid saturation. The discrete Class A JFET input stage is the same found on all of Heritage's top