Power Requirements	35 VDC, under 30 mA supplied from center amplifier
Input	Gooseneck Microphone: Unidirectional back electret condenser microphone, -60 dBV, with LED, detachable type Line : 0 dBV, unbalanced, 8P mini socket
Output	Recording : 10 kΩ , -20 dBV, unbalanced, mini-jack Line : 0 dBV, unbalanced, 8P mini socket Internal Speaker : 130 Ω, 200 mW
Speech Control	Microphone, speaker on-off control by speech switch
Operating Temperature Range	0 ℃ - +40 ℃
Finish	Base : ABS resin, semi-mat black Speaker: Metallic brown
Dimensions	170 (W) × 59 (H) × 147 (D) mm (microphone excluded)
Weight	560 g (without connection cord)
Accessory	Connection cord 1m × 2 m (with 2 × 8P mini plugs and 1 × 8P mini socket) … 1