Model RM-3 is a rack stereo powered monitor speaker system to succeed the current model RM-2. New features include a THRU OUT, brightness adjustment of LED, and auto memory of Input / Output status etc. via newly added DIP switch on the rear panel. The RM-3 is the ideal solution for monitoring needs in various space-challenged environments such as machine rooms, video monitoring, surveillance, mobile and stationary control rooms, theme park applications where audio monitoring is needed in a compact environment.Main Features:Rack mount stereo monitor speaker system with built-in 10W+10W D-class amplifier and 110x40mm elongated shape speaker units.Accepts both Analog input (XLR & 1/4TS phone) and Digital Input (AES/EBU).Headphone out for headphone monitoring. When switching from headphone out to speaker out or vice versa, the output signal fades in to avoid unexpected level difference.Mute switch works as total mute or -20dB attenuationHighly visible 26-dot LED meter (L&R) with 4-step brightness adjustmentFlexible meter setting for both Analog and Digital inputs such as VU+Peak, VU+Peakhold, Peak+Peakhold and VU only. Reference level (0dB) is selectable between +4dBu and 0dBu.Audio characteristics can be selected between the conventional VOICE mode and new MU-SIC mode for wider frequency range music source.