EW300 G4-GBW Headset System with SpeechLine SL1 Omni Headmic CH38

Product Features

• Easy to use, fast setup time
• Integrated network port allows control, monitoring and setup via Sennheiser Control Cockpit and WSM Software 
• Broad range of products and existing accessories (such as microphones) allows usage in any kind of environment
• Up to 88 MHz bandwidth, up to 32 channels
• Increased RF output power (10/30/50 mW)
• Transmission Range: up to 100 meters / 330 feet
• Compatible with wireless speaker system LSP 500 PRO
• RC (remote control) switch available for the bodypack transmitter

Product Specifications

THIS ITEM (NO.507680) OPERATES ON CH38 (GBw: 606 - 678 MHz)

EM 300-500 G4 - General

• Modulation: Wideband FM
• Frequency ranges:
  • Aw+: 470 - 558 MHz
  • AS: 520 - 558 MHz
  • Gw1: 558 - 608 MHz
  • Gw: 558 - 626 MHz
  • GBw: 606 - 678 MHz
  • Bw: 626 - 698 MHz
  • Cw: 718 - 790 MHz
  • Dw: 790 - 865 MHz
  • JB: 806 - 810 MHz
  • K+: 925 - 937.5 MHz 
• Receiving frequencies
  • Max. 2880 receiving frequencies, adjustable in 25  kHz steps
  • 20 frequency banks, each with up to 32 factory-preset channels, no intermodulation
  • 6 frequency banks with up to 32 programmable channels 
• Switching: bandwidth up to 72 MHz
• Nominal/peak deviation: ±24 kHz / ±48 kHz
• Receiver principle: True diversity
• Sensitivity (with HDX, peak deviation): < 2.5 μV for 52 dBA eff S/N
• Adjacent channel selection: Typically ≥ 75 dB
• Intermodulation attenuation: Typically ≥ 70 dB
• Blocking: ≥ 75 dB
• Squelch: 5 to 25 dBμV in steps of 2 dB 
• Pilot tone squelch: Can be switched off 
• Antenna inputs: 2 BNC sockets
• Compander system: Sennheiser HDX
• EQ presets (switchable, act on line and monitor outputs): 
  • Preset 1: Flat
  • Preset 2: Low Cut (-3 dB at 180 Hz)
  • Preset 3: Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz)
  • Preset 4: High Boost (+6 dB at 10 kHz)
• Signal-to-noise ratio (1 mV, peak deviation): ≥ 115 dBA
• Total harmonic distortion (THD): ≤ 0.9 %
• AF output voltage (at peak deviation, 1 kHz AF): 6.3 mm jack socket (unbalanced): +12 dBu XLR socket (balanced): +18 dBu
• Setting range “AF Out”: 48 dB (3 dB steps)
• Temperature range: -10 °C to +55 °C
• Power supply: 12 V DC 
• Current consumption: 350 mA

EM 300-500 G4 - Physical & Dimensions

• Height: 43mm
• Width: 212mm
• Depth: 202mm
• Weight: 980g

SK 300 G4 - General

• Modulation: Wideband FM
• Frequency ranges:
  • Aw+: 470 - 558 MHz
  • AS: 520 - 558 MHz
  • Gw1: 558 - 608 MHz
  • Gw: 558 - 626 MHz
  • GBw: 606 - 678 MHz
  • Bw: 526 - 698 MHz
  • Cw: 718 - 790 MHz
  • Dw: 790 - 865 MHz
  • JB: 806 - 810 MHz
  • K+: 925 - 937.5 MHz
• Transmission frequencies
  • Max. 2880 frequencies, adjustable in 25 kHz steps
  • 20 frequency banks, each with up to 32 factory-preset channels, no intermodulation
  • 6 frequency banks with up to 32 programmable channels 
• Switching bandwidth: up to 72 MHz 
• Nominal/peak deviation:  ±24 kHz / ±48 kHz
• Frequency stability: ≤ ±15 ppm
• RF output power at 50 Ω switchable:
  • Low: typ. 10 mW
  • Standard: typ. 30 mW
  • High: typ. 50 mW 
• Pilot tone squelch: Can be switched off
• Compander system: Sennheiser HDX
• AF frequency response
• Mic: 80 – 18,000 Hz
• Line: 25 – 18,000 Hz 
• Signal-to-noise ratio (1 mV, peak deviation): ≥ 115 dBA
• Total harmonic distortion (THD): ≤ 0.9 %
• Max. microphone/line input voltage: 3 Veff
• Microphone/line input impedance: 40 kΩ, unbalanced / 1 MΩ
• Input capacitance: Switchable
• Setting range for input sensitivity: 60 dB, adjustable in 3 dB steps
• Temperature range: -10 °C to +55 °C 
• Power supply: 2 AA batteries, 1.5 V or BA 2015 accupack 
• Nominal voltage: 3 V battery / 2.4 V rechargeable battery
• Current consumption: at nominal voltage: typ. 180 mA with transmitter switched off: ≤ 25 μA
• Operating time: Typically 8 h

SK 300 G4 - Physical & Dimensions

• Height: 82mm
• Width: 64mm
• Depth: 24mm
• Weight: 160g

SL Headmic 1

• Frequency response: 20 to 20,000  Hz ± 3  dB
• Pick-up pattern: omni-directional
• Nominal impedance  @  1  kHz: 1  kΩ
• Min. terminating  impedance: 4.7  kΩ
• Sensitivity: 5  mV/Pa ± 3  dB
• Diameter of mic capsule: 3.3  mm
• Max. sound pressure level: 143  dB
• Equivalent noise level: 27  dB(A)
• Supply current: approx. 240  μA
• Power supply: 4.5 to 15  V
• Temperature range
• Operation: -10  °C to 50  °C (14  °F to 122  °F)
• Storage: -20  °C to 70  °C (-4  °F to 158  °F)
• Relative air humidity: max. 95%
• Cable length: 1.6m 
• Diameter of boom arm: 1.1mm 
• Connector: 3.5  mm jack plug or Sennheiser special connector (-4 variant) 
• Weight (without cable): approx. 7g

What's in the Box?

• EM 300-500 G4 true diversity receiver
• SK 300 G4 bodypack transmitter
• Speechline SL1 Omni Headmic
• GA 3 rackmount set
• Power supply
• 2 AA batteries
• 2 rod antennas
• Quick guide
• Safety guide
• Manufacturer declaration sheet