admin The EW100 G3 by Sennheiser is one of the most trusted wireless microphone systems ever built. Known for its rugged build, clear audio, and wide frequency tuning, it has become a favorite for musicians, filmmakers, schools, and houses of worship. Even though the model is no longer in full production, the EW100 G3 is still used worldwide. In this review, we will explore its performance, specifications, and value in detail so you can understand why it remains popular.
Quick Bio Table of EW100 G3
| Feature | Details |
| Brand | Sennheiser |
| Model | EW100 G3 |
| Type | Wireless microphone system |
| Frequency Range | 516–865 MHz (varies by region) |
| Bandwidth | 42 MHz |
| Channels | 1,680 tunable frequencies |
| Diversity | True/Adaptive diversity |
| Audio System | HDX compander |
| Outputs | XLR +18 dBu, ¼″ +12 dBu |
| Battery | 2× AA batteries |
| Battery Life | About 8 hours |
| Lavalier Mic | ME 2-II included |
| Use Cases | Music, film, schools, worship, events |
The EW100 G3 is a UHF analog wireless system. It was designed to deliver stable and professional sound without interference. Users liked its ability to scan frequencies, sync transmitters via infrared, and connect to mixers with balanced XLR outputs.
Another strength of the system is its 42 MHz bandwidth, which gives users access to 1,680 tunable frequencies. This makes the EW100 G3 flexible in areas with crowded airwaves, such as big cities, live venues, or TV studios.
Key Features of the EW100 G3
One of the main reasons people choose the EW100 G3 is because of its true diversity reception (rack receiver) and adaptive diversity (camera receiver). These technologies reduce dropouts and provide reliable audio.
The system also comes with the HDX compander, which improves signal-to-noise ratio and ensures crystal-clear sound. With more than 110 dB (A) signal-to-noise ratio, voices and instruments sound natural without background hiss.
Performance in Real Life
In practical use, the EW100 G3 has proven itself in many settings. Filmmakers love the compact EK 100 G3 camera receiver, which mounts easily on cameras. Musicians and public speakers enjoy the EM 100 rack receiver, which provides balanced XLR outputs and higher headroom.
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Battery life is another strong point. Both the SK 100 bodypack and SKM 100 handheld transmitters can last around 8 hours with standard AA batteries. For longer shoots or events, rechargeable NiMH batteries are often used.
Transmitter Options
The EW100 G3 comes with several transmitter choices:
- SK 100 G3 bodypack: Used with lavalier or headset mics.
- SKM 100 G3 handheld: Great for singers or stage presenters.
- SKP 100 G3 plug-on: Converts a wired mic to wireless but does not provide phantom power.
Each of these transmitters connects with the ME 2-II lavalier mic or other Sennheiser capsules, giving flexibility for different recording needs.
Microphone Capsule and Sound
The included ME 2-II lavalier mic is an omni-directional microphone with a 50 Hz–18 kHz frequency response. It can handle up to 130 dB SPL, which means it works for both quiet speech and loud instruments.
For users who want even higher sound quality, the EW100 G3 is compatible with premium microphones from Sennheiser. This makes the system useful for both entry-level and professional productions.
Specifications of the EW100 G3
Here are the most important specifications of the EW100 G3:
- Tuning bandwidth: 42 MHz
- Frequencies: 1,680 tunable UHF frequencies
- Banks/Channels: 21 banks, up to 12 channels per bank
- Signal-to-noise ratio: >110 dB (A)
- THD: <0.9%
- Outputs: XLR +18 dBu, ¼″ +12 dBu
- Battery life: About 8 hours (AA batteries)
Legal Frequency Use
Before using the EW100 G3, it is important to check legal frequency rules in your country. In the United States, the 600 MHz band (614–698 MHz) is no longer available for wireless microphones. In the UK and Europe, the 700 MHz band (694–790 MHz) has also been cleared.
This means that some versions of the EW100 G3 may not be legal to operate today. If you buy a used system, always confirm the frequency block is still legal where you live.
Setup Process
Setting up the EW100 G3 is simple:
- Scan for free channels on the receiver.
- Sync the transmitter and receiver using infrared.
- Adjust the transmitter sensitivity so your audio does not clip.
- Set the AF OUT level on the receiver to match your camera or mixer input.
- Place antennas in proper position for best reception.
These steps make the system beginner-friendly while still being powerful for professionals.
Strengths of the EW100 G3
The EW100 G3 has many strong points:
- Durable metal housings for both receivers and transmitters.
- Professional audio performance with clear, natural sound.
- Wide tuning bandwidth to avoid interference.
- Easy setup with infrared syncing.
- Good battery life for long shoots or events.
Weaknesses of the EW100 G3
While the system is reliable, there are some drawbacks:
- It uses analog companding, which is not as clean as modern digital systems.
- Some frequency bands are no longer legal, reducing its usability in certain regions.
- The SKP 100 plug-on transmitter does not provide phantom power, limiting its use with condenser microphones.
Comparisons with Newer Models
The EW G4 series is the direct successor of the EW100 G3. The G4 offers similar performance with a few improvements in usability.
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Meanwhile, the newer EW-D digital systems remove the need for companding and offer better sound quality. However, many professionals still trust the EW100 G3 for its proven reliability.
Value in 2025
Even though the EW100 G3 is older, it still has value in 2025. If you find a set in a legal frequency band, it can be a cost-effective solution. Many production companies, schools, and churches continue to use it because it just works.
When buying used, check the frequency block, battery contacts, and antenna connections to make sure the unit is in good condition.
Conclusion
The EW100 G3 is a classic wireless microphone system that continues to serve users well. Its strong build, clear sound, and versatile setup make it a solid choice, even today. While newer systems offer digital advantages, the EW100 G3 still proves itself as a workhorse in many situations.
If you are looking for a reliable, affordable, and widely supported system, the EW100 G3 is still worth considering—just make sure it operates on a legal frequency in your country.
Frequently Asked Questions
1. Is the EW100 G3 still good in 2025?
Yes, it is still reliable and widely used, but only if the frequency band is legal in your country.
2. How long does the battery last in the EW100 G3?
Most transmitters last around 8 hours on two AA batteries.
3. Can I use the EW100 G3 with other microphones?
Yes, it works with different Sennheiser capsules and lavaliers, not just the included ME 2-II.
4. Does the EW100 G3 work worldwide?
It works in many countries, but you must check the frequency rules where you live.
5. What is the main difference between EW100 G3 and EW G4?
The G4 is an updated version with similar features but more modern usability improvements.
