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EW-D |
EW-DX |
evolution wireless 300 G4 |
SpeechLine Digital Wireless |
Audio transmission |
Digital |
Digital |
Analogue |
Digital |
Technology |
UHF system – worldwide usage (subject to local regulations) |
UHF system – worldwide usage (subject to local regulations) |
UHF system – worldwide usage (subject to local regulations) |
DECT system – subject to country-specific regulation and not allowed in all the regions |
Application |
Microphone system created for versatile applications – suitable for education/corporate environments |
Microphone system created for versatile applications – suitable for education/corporate environments |
A well-established wireless analogue microphone system for corporate, education, governmental and hospitality applications |
Microphone system optimized for IT with full scale remote controllability. Designed specifically for speech applications |
AV knowledge requirements |
Minimal to moderate level of AV knowledge |
Minimal to moderate level of AV knowledge |
Moderate to advanced level of AV knowledge
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Minimal level of AV knowledge
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Operation time |
Up to 12h |
Up to 12h |
Up to 8h |
Up to 18h |
Remote monitoring and control |
No network connector - Sennheiser Control Cockpit or 3rd party applications cannot be used for maintenance and control |
Good level of integration and control. Sennheiser Control Cockpit and 3rd party applications integration. No bi-directional communication between transmitters and receivers, so full remote control is not possible |
Limited level of control and monitoring via Sennheiser Control Cockpit and 3rd party applications |
Bi-directional communcation between transmitters and receivers - full remote control/monitoring via Sennheiser Control Cockpit /Media Control for the campus-wide audio applications |
Frequency coordination |
Frequency coordination might be needed - if a frequency is disturbed, a new frequency has to be selected manually |
Frequency coordination might be needed - if a frequency is disturbed, a new frequency has to be selected manually |
Frequency coordination is needed - if a frequency is disturbed, a new frequency has to be selected manually |
Automatic interference management – no frequency coordination needed |
Channel count |
Equidistant frequency spacing allows to fit more channels per band. Standard channel count estimate is up to 90 channels per band |
Equidistant frequency spacing allows to fit more channels per band. Standard channel count estimate is up to 146 channels in Standard Mode and up to 293 in LD mode |
Up to 32 channels per band |
Channel count varies depending on the region - up to 20 channels in Europe; up to 10 channels per room in the US |
Encryption |
No |
Secure content transmission with AES-256 encryption |
No |
Secure content transmission with AES-256 encryption |
Campus-wide usage |
Frequency coordination required for campus wide usage |
Frequency coordination required for campus wide usage |
Frequency coordination required for campus wide usage |
Multi-room feature for campus wide audio - no manual frequency coordination is required |
Antenna setup |
Due to receiver in rack, usage of external antennas, splitters, cables and proper planning are required |
Due to receiver in rack, usage of external antennas, splitters, cables and proper planning are required |
Due to receiver in rack, usage of external antennas, splitters, cables and proper planning are required |
No complicated antenna set up needed, SpeechLine multi-channel receiver (MCR) could be mounted on a wall or ceiling and just requires a network cable |
Receivers and options |
1-channel receiver (without Dante options). Requires rack space |
2-channel/4-channel receiver variants; Dante options (EW-DX EM 2 Dante/ EW-DX EM 4 Dante). Requires rack space |
1-channel half-rack receiver. Requires rack space |
SL MCR DW is an IT proven multi-channel receiver allowing for installations without complicated antenna setups. Does not require rack space |
Transmitters and options |
Handheld and bodypack transmitters |
Handheld, bodypack and tablestand transmitters |
Handheld and bodypack transmitters |
Handheld, bodypack, tablestand and boundary transmitters |
Latency |
1.9 ms latency |
1.9 ms latency |
Analogue system: no latency |
19 ms latency |
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