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Sennheiser

Sennheiser EM 100 Rackmount True Diversity Receiver

$299.95

The Sennheiser EM 100 G4 is a true-diversity, half-rack wireless receiver housed in a rugged, full-metal chassis and compatible with the SK 100 G4 bodypack transmitter and the SKM 100 G4 handheld transmitter. It offers high-quality, reliable audio to presenters, clergy, lecturers, and performers working in business and educational settings, houses of worship, theaters, or on musical stages.

View Product Features

  • For Small Venues and Conference Rooms
  • Single-Channel, 1/2 Rackspace
  • True-Diversity Reception
  • 1680 Auto-Scan Frequencies
  • Backlit LCD Display
  • Expandable to 12 Mic Channels/330' Range
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About the Sennheiser EM 100 Rackmount True Diversity Receiver

The Sennheiser EM 100 G4-G is a professional true diversity UHF receiver designed as a half-rack unit for permanent installation or touring use within the evolution wireless G4 series. Operating in the G-band frequency range of 566 to 608 MHz, it provides robust wireless audio reception for a single channel, utilizing two separate internal antennas and receiver circuits to constantly compare and select the strongest, clearest signal from a compatible bodypack or handheld transmitter. This true diversity operation is critical for eliminating dropouts and maintaining a stable audio link in challenging RF environments with reflections, interference, or moving performers. The receiver is engineered for simplicity and reliability, featuring an intuitive front-panel interface with a high-contrast LCD screen that displays all vital information including frequency, RF and audio levels, battery status of the paired transmitter, and selected settings.

The EM 100 G4-G incorporates Sennheiser's advanced RF technology, including a sophisticated pilot tone-based squelch system that mutes the output only in the absence of the specific signal from its matched transmitter, effectively rejecting interference from other RF sources. It offers a wide frequency spectrum with up to 2,040 tunable frequencies, allowing for easy coordination within large multi-channel systems. The unit supports both an analog and an enhanced digital audio output via an AES3 digital output, providing flexibility for integration into various sound systems. Comprehensive control is available via the front panel or remotely via Ethernet using the included Wireless Systems Manager software, which enables frequency planning, monitoring, and adjustment of multiple receivers from a central computer.

Built for the demands of professional audio, the receiver features robust metal construction, balanced XLR and unbalanced 6.3 mm audio outputs, and dual antenna inputs for connection to external antennas via BNC connectors for improved reception in large venues. Its half-rack width allows two units to be mounted side-by-side in a single 19-inch rack space using an optional adapter tray. The Sennheiser EM 100 G4-G represents a core component of a reliable wireless microphone system, offering broadcast-quality audio, exceptional RF stability, and user-friendly operation for installations in theaters, houses of worship, broadcast studios, and conference centers.

Key Features

  • For Small Venues and Conference Rooms
  • Single-Channel, 1/2 Rackspace
  • True-Diversity Reception
  • 1680 Auto-Scan Frequencies
  • Backlit LCD Display
  • Expandable to 12 Mic Channels/330' Range

Sennheiser EM 100 Rackmount True Diversity Receiver Specs

RF Specifications
Frequency Range
566 - 608 MHz (G-Band)
Tunable Frequencies
2040 (0.025 MHz steps)
Bandwidth
42 MHz
Diversity System
True Diversity (2 independent receivers)
RF Sensitivity
12 dBμV (typical for 80 dB S/N)
Audio Performance
Audio Outputs
XLR (balanced analog), 6.3 mm Jack (unbalanced), AES3 (digital)
Frequency Response
40 Hz - 18 kHz (± 1.5 dB)
Total Harmonic Distortion
<0.9% @ 1 kHz
Dynamic Range
>110 dB (A-weighted)
Control & Display
Display
High-contrast LCD with backlight
Remote Control
Ethernet (via Wireless Systems Manager software)
Squelch
Pilot tone based
Adjustable Parameters
Frequency, Squelch, Audio Gain, Output Level
Connections & Power
Antenna Inputs
2x BNC (for external antennas)
DC Input
12V DC
Power Consumption
Approx. 6 W
Rack Compatibility
Half-rack unit (requires 19" adapter for dual mount)
Physical & Environmental
Dimensions (WxHxD)
212 mm x 44 mm x 190 mm
Weight
1.2 kg
Operating Temperature
0°C to +40°C
System Compatibility
Compatible Transmitters
SK 100 G4, SK 200 G4, SKP 100 G4, SKP 2000 G4, etc.
Receiver Type
1-channel rackmount (A-Band variant available)

Key Features

  • For Small Venues and Conference Rooms
  • Single-Channel, 1/2 Rackspace
  • True-Diversity Reception
  • 1680 Auto-Scan Frequencies
  • Backlit LCD Display
  • Expandable to 12 Mic Channels/330' Range
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