Pro Co DB1 Heavy Duty Passive Direct Injection DI Box with low pass filterThe DB 1 preserves the punch and clarity of the sound that is often lost when mic ing a speaker, while eliminating the leakage, distortion, and coloration. The signal delivered to the P. A. or studio mixer is crisp and clean a vital element in retaining the full depth and brilliant sound of such current high tech equipment as FM synthesizers and digital drum machines. The DB 1 may be inserted into the signal path at virtually any stage required. For