What are the differences between the 4×4 mic/line card and the EDR cards?
• The 4×4 mic/line card has four inputs plus four outputs. The EDR input has only four inputs, and the EDR output has only four outputs. • The 4×4 mic/line card has mic/line level inputs (software selectable). The EDR input card is line-level only. • The 4×4 mic/line card is two slots wide. The EDR cards are one slot wide. • Dynamic range of the 4×4 is 104 dB typical; for EDR cards it is 111 dB typical. • The 4×4 mic/line card has seven gain “pads” (14 dB, 24 dB, 42 dB, 48 dB, 54 dB and 64 dB). The EDR input card has none.
