Nady PRA-8 Microphone Preamplifier - Eight independent preamplifiers, fits in single rack space, eight XLR inputs & eight 1/4&rdquo; outputs Microphone preamplifier featuring 8 independent preamplifiers with ultra-linear, high bandwidth operation for crystal clear audio and recording flexibility Features 8 preamplifiers in a single rackmount unit, each with their own gain control, peak LED indicators and phantom power ON/OFF switches Shielded internal dual regulated power supply with (-115V/60Hz or -230V/50Hz) select switch and fused IEC power cord connector 48V Phantom power with individual phantom ON/OFF switches and LED indicators for each channel Features 8 servo ballanced XLR inputs and 8 1/4" outputs