DPDI Passive Direct Injection BoxDigiflex is proud to introduce the DPDI or Digiflex Passive Direct Injection box. Quality direct boxes are hard to find in today's disposable marketplace either quality products are too expensive or the economy version is too fragile. Digiflex has found the perfect solution for quality at a reasonable price. The Digiflex direct box is designed and engineered in Canada with the ruggedness and sound quality that rivals the more expensive units on the