| Power Source | 24 V DC (Operating range: 14 – 28 V DC) Power input jack: Non-polarity type
 Usable power input plug(*2): Outer diameter ø5.5 mm, inner diameter ø2.1 mm, length 9.5mm
 | 
| Current Consumption | 100 mA or less | 
| Audio Output | 0 dB(*1), 600 Ω, balanced | 
| Distortion | 1% or less | 
| Frequency Response | 100 – 20 kHz | 
| S/N Ratio | 60 dB or more | 
| Microphone | Unidirectional electret condenser microphone | 
| No. of Function Keys | 13, Emegency key (covered), Talk key | 
| Emergency Broadcast(*3) | Activation of Emergency Broadcast (pre-recorded announcement or live microphone announcement) by Emergency Broadcast Switch
 | 
| Volume Control | Microphone volume control | 
| Connection Cable and Connector | Category 5 STP cable, RJ45 connector | 
| Finish | ABS resin, blueish gray (Pantone 538 or its equivalent) | 
| Dimensions | 190 (W) × 76.5 (H) × 215 (D) mm (Gooseneck microphone excluded) | 
| Weight | 750 g | 
| Accessory | Link cable (3 m) ……1 | 
| Option | Wall mounting bracket: WB-RM200 |