Sennheiser SL MCR 4 DW-4 Two or Four Channel Receiver for SpeechLine Digital Wireless

The SpeechLine Multi-Channel Receiver with 4 channels is the perfect addition to the SpeechLine Digital Wireless series. Thanks to its unobtrusive design, the Multi-Channel receiver can be installed quickly and easily in any room, whether on the wall or ceiling.

Features:

• Wall, ceiling or mic-stand mounted access point
• 4 SL DW RF links
• Analog output - accounting for existing infrastructure
• 2x Dante interface
• Power over Ethernet (PoE)
• Full control & configuration via Control Cockpit
• Status LED per link
• Integrated IT/Network security standards

Specifications:

• System:
  • AF frequency response: 20 to 20,000 Hz
  • Dynamic range: > 120 dB(A)
  • THD (1 kHz) typ.: 0.1%
  • Audio sampling: 24 bit/48 kHz
  • Signal-to-noise ratio: > 90 dB(A)
  • Encryption: AES 256
  • RF frequency ranges:
    • EU: 1,880 - 1,900 MHz
    • USA: 1,920 - 1,930 MHz
    • Brazil: 1,910 - 1,920 MHz
    • Taiwan: 1,880 - 1,895 MHz
    • Japan: 1,893 - 1,906 MHz
  • Modulation: GFSK with back channel
  • Transmission method: TDMA, space diversity
  • Latency: 19 ms
• SL MCR DW:
  • RF sensitivity: < -90 dBm
  • RF output power: back channel adaptive or manual, up to 250 mW (country-specific)
  • Network protocol: Media Control Protocol, UDP IPv4 (DHCP, Manual)/IPv6, mDNS (switchable)
  • Power supply: PoE IEEE 802.3af Class 3
  • Audio outputs:
    • One 3-pin socket (suitable for Phoenix Contact MCVW 1.5-3-ST-3.81)
    • Two Dante™ Digital Audio Network sockets (RJ-45)
  • Weight: 650 g (incl. wallmount), 560 g (without wallmount)
  • Dimensions: 180 x 180 x 45 mm (incl. wallmount)
  • Operating temperature: –10 °C to +45 °C (14 °F to 113 °F)
  • Storage temperature: –20 °C to +70 °C (–4 °F to 158 °F)
  • Relative air humidity: max. 95%