Sennheiser SL MCR 2 DW-3 Multi-Channel Receiver - 2-Channel Digital Wireless Receiver for Speech Systems

The Sennheiser SL MCR 2 DW-3 is a professional multi-channel receiver engineered for seamless integration into speech-optimized wireless systems. Featuring two independent receiver channels in a compact, rack-mountable metal chassis, this unit delivers pristine, low-latency audio for conferences, boardrooms, and houses of worship. With its robust DW-3 frequency band (718-758 MHz), AES-256 encryption, and flexible connectivity, it ensures secure, interference-free operation in demanding environments.

Advantages

This receiver excels in both performance and security. Its 24-bit/48 kHz digital audio processing ensures transparent sound reproduction, while the <19 ms latency keeps speech natural and synchronized. The AES-256 encryption protects confidential discussions, and the wide 40 MHz switching bandwidth simplifies frequency coordination. An OLED display provides clear status feedback, and Ethernet connectivity enables remote monitoring and control via Sennheiser Control Cockpit or third-party systems.

Suitable for

• Corporate boardrooms and meeting rooms
• Conference centers and auditoriums
• Government and diplomatic facilities
• Houses of worship and educational institutions
• Any professional environment requiring secure, high-intelligibility speech

Key specifications

• 2 receiver channels in a 19" rack-mountable metal housing
• Frequency range: 718 - 758 MHz (UHF, DW-3 band)
• Switching bandwidth: 40 MHz
• Audio outputs: 2x XLR (balanced), 2x RCA (unbalanced)
• Network interface: 1x RJ45 (Ethernet) for remote control
• Encryption: AES-256
• Latency: < 19 ms
• Dynamic range: > 120 dB(A)
• Frequency response: 20 Hz - 20 kHz
• THD+N: < 0.03%
• Antenna connectors: 2x BNC (50 Ω)
• Display: OLED
• Power supply: 12V DC, 1A (external)

Recommendations

Pair the SL MCR 2 DW-3 with Sennheiser SpeechLine Digital Wireless transmitters (e.g., SL DW-3 bodypack or handheld) for a complete, secure wireless system. Use the optional rack mount kit for permanent installation, and always perform a frequency scan to optimize coordination.