DCNM-DVT Discussion device with voting

• Supply voltage	48 VDC
  Power consumption	3.7 W
  Frequency response	100 Hz to 20 kHz (-3 dB at nominal level)
  THD at nominal level	< 0.1 %
  Dynamic range	> 90 dB
  Signal‑to‑noise ratio	> 90 dB
  Nominal microphone input	80 dB SPL according IEC60914
  Maximum microphone input	110 dB SPL according IEC60914
  Loudspeaker nominal output	72 dB SPL at 0.5 m
  Loudspeaker maximum output	87 dB SPL
  Headphone nominal output	0 dBV
  Headphone maximum output	3 dBV

• Headphone load impedance	> 32 ohm <1k ohm
  Headphone output power	65 mW
  Touch buttons	Capacitive touch buttons
  Supported contactless NFC tag	According to: ISO/IEC14443 Type A (from 106 kbps to 848 kbps. MIFARE 106kbps).
  Mounting	Tabletop
  Dimensions (H x W x D) without microphone	72 x 259 x 139 mm(2.8 x 10.2 x 5.5 in)
  Color (top and base)	Traffic black (RAL 9017)
  Weight	Approx. 955 g (2.1 lb)
  Operating temperature	5 ºC to +45 ºC(41 ºF to +113 ºF)
  Storage and transport temperature	-30 ºC to +70 ºC(-22 ºF to +158 ºF)
  Relative humidity	< 90 %, > 5%