BeachTek DXA-Micro Pro; Compact 2-channel XLR audio adapter with built-in preamplifier; Low-noise preamps; Level controls; Headphone monitoring; Phantom power and plug-in power; Techn. Data:; Inputs: 1x balanced XLR, 2x unbalanced 3.5mm jack with plug-in power, 1x stereo unbalanced 3.5mm jack with plug-in power, Monitor-In for playback monitoring; Outputs: 1x unbalanced stereo mini-jack for connection to camera; Maximum input levels: LO gain: -14 dBu, HI gain: -29 dBu; Output Level: -26 dBu (when level indicators light red); Frequency range: 20 Hz to 20 kHz (+/- 0.5 dB); THD+N: less than 0.03 % @ 1 kHz, -30 dBu input; PTZ ratio: 85 dB @ 1 Khz, -30 dBu input; Gain: LO gain = +15 dB, HI gain: +30 dB; Power supply via 1x 9 V block battery (not included); Dimensions: 102 mm x 76 mm x 38 mm; Weight: 0.3 kg