The ADB2 is powered by standard microphone phantom power from 9-48 VDC and uses a discrete low-noise differential driver to make it very quiet. The ADB2 has two 1/4 inch input jacks wired in parallel, a male XLR output and a 3 position attenuator and ground lift switches.

SPECIFICATIONS: * Input: -10 to +40 dB unblanced * Output -10 to +2 DB balanced XLR pin 2+ * Bandwidth 1 -50 kHz * S/N 100 dB * Jacks(2): 1/4 inch phone, XLR male * Attenuator 0 dB, 20 dB, 40 dB * Power: 9 -48 V phantom * Dimensions: 2 x 3.5 x 1.23 inches