The Best Choice for Your Business – Leading in Education
The G4 300 series harnesses the power of increased switching bandwidth up to 88 MHz. The new frequency range allows multi-channel setups with dozens of channels while ensuring reliable operation—regardless of digital dividends. Operators and presenters love working with G4. The aluminum housing of the handheld transmitter is not only durable but also lightweight for long speeches, while the silent mute switch ensures complete control.
Product Features:
- Easy to use, quick setup
- Integrated connection ports allow control and configuration via Sennheiser Control Cockpit and WSM software
- Diverse products and accessories, adaptable to various environments
- Bandwidth up to 88 MHz, with 32 channels
- Improved RF output power (10/30/50 mW)
- Transmission range: up to 100 m / 330 feet
- Compatible with the LSP 500 PRO wireless speaker system
- Remote control switch for use with a bodypack transmitter
Technical Specifications – Sennheiser EW 300 G4-865-S Receiver and Transmitter with Microphone
The Sennheiser EM 300-500 G4 wireless receiver is part of Sennheiser’s advanced wireless product line. This product operates in the UHF frequency range and can be used with a matching transmitter and microphone (sold separately) as part of an RF wireless transmission system for live stage performances, theaters, conferences, and more.
The receiver offers 3,250 adjustable frequencies in 25 kHz steps, 20 fixed frequency banks with 32 pre-set compatible channels, and 6 user-defined frequency banks with 32 customizable channels. Its OLED menu display provides real-time information on the current frequency, frequency bank, channel number, RF level, volume level, line output level, lock status, battery status, and multimedia settings.
The EM 300-500 G4 receiver features a high-durability metal casing and is equipped with a balanced XLR-3M audio output, an unbalanced 1/4" audio output, a 1/4" headphone output, a volume control, an Ethernet port (RJ45) for monitoring and remote control using Sennheiser’s Wireless System Manager software, two BNC antenna connectors, a 12V power adapter, and a GA3 rack mount kit.
Key Features:
- Solid metal construction with an intuitive OLED display
- Easy wireless synchronization between transmitter and receiver via infrared
- Up to 32 compatible channels
- Bandwidth up to 88 MHz with 3,520 selectable frequencies, fully adjustable within a stable UHF range
- Ethernet port (for Wireless System Manager (WSM) software) used for advanced frequency setup in multi-channel configurations
- High RF output power (up to 50 mW, adjustable in three levels: 10/30/50 mW) depending on country regulations
Technical Specifications Table
| Specification |
Details |
| Frequency range |
AS: 520 - 558 MHz, K+: 925 - 937.5 MHz, JB: 806 - 810 MHz, GBw: 606 - 678 MHz, Gw: 558 - 626 MHz, Bw: 626 - 698 MHz, Cw: 718 - 790 MHz, Dw: 790 - 865 MHz, Aw+: 470 - 558 MHz, Gw1: 558 - 608 MHz |
| Dimensions |
Approx. 202 x 212 x 43 mm |
| Compander |
Sennheiser HDX |
| Total harmonic distortion (THD) |
≤ 0.9% |
| Weight |
Approx. 980 g |
| Audio output |
6.3 mm jack socket (unbalanced): +12 dBu, XLR socket (balanced): +18 dBu |
| Signal-to-noise ratio |
≥ 115 dBA |
| Switching bandwidth |
Up to 88 MHz |
| Peak deviation |
±48 kHz |
| Nominal deviation |
±24 kHz |
| Modulation |
Wideband FM |
| Power supply |
12V DC |
| Antenna connector |
2 BNC sockets |
| Current consumption |
350 mA |
| Adjacent channel rejection |
Typically ≥ 75 dB |
| Intermodulation attenuation |
Typically ≥ 70 dB |
| Receiving frequency |
Max. 3,520 receiving frequencies, adjustable in 25 kHz steps, 20 frequency banks with up to 32 factory-preset channels (no intermodulation), 6 frequency banks with up to 32 programmable channels |
| RF sensitivity |
< 2.5 µV for 52 dBA eff S/N |
| Squelch |
5 to 25 dBµV in 2 dB steps |
| Equalizer |
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) |
| Temperature range |
-10°C to +55°C |
| Receiver principle |
True diversity |
| Blocking |
≥ 75 dB |
Sennheiser SKM 300 G4-S Handheld Transmitter
The Sennheiser SKM 300 G4-S handheld transmitter is part of Sennheiser’s advanced wireless product line. This transmitter operates in the UHF frequency range and can be used with a matching receiver and interchangeable microphone capsule (sold separately) as part of an RF wireless system.