The RU-2001 is a microphone amplifier for the PM-660D Paging Microphone with a remote control switch and a 5-pin DIN socket. The power of the PM-660D's internal power amplifier, and globalspeaker output can be remotely controlled from the RU-2001.

Power Requirement	12 - 24 V DC or 12 V AC adaptor
Current Consumption	60 mA
Microphone Input	-62 dB*, 600 Ω, unbalanced, 5-pin DIN socket
Output	0 dB*, 600 Ω, balanced, M3 screw terminal, distance between barriers: 6.4 mm (0.25'')
Applicable Microphone	PM-660D
Operating Temperature	-10 ℃ to +50 ℃ (14 ゜F to 122 ゜F)
Operating Humidity	90 %RH or less (no condensation)
Finish	Pre-coated steel plate, black
Dimensions	124 (W) × 42.5 (H) × 159 (D) mm (4.88'' × 1.67'' × 6.26'')
Weight	600 g (1.32 lb.)
Accessory	Mounting bracket…………1