The 1300B-M series links incorporate two preamplifier channels for microphone level audio providing up to +70 dB front end gain. The units can supply microphone phantom power at +48 VDC or a single-ended supply of +12 VDC on an individual channel basis. This makes the 1300B-M unit capable of interfacing directly to virtually any microphone. FEATURES: Two-channel microphone input 48 VDC phantom microphone power 20 Hz to 20 kHz audio bandwidth per channel -70 dBu to 0 dBu audio input range Up to +12 dBu audio output 100 dB audio SNR 0.005% THD Interfaces to standard fiber equipment PDF Spec Sheet