The Sennheiser G4 is a professional wireless microphone system used widely for film, television, and live sound applications. Here are its key specifications and features:

Key Features:

• Wide Frequency Range: 42 MHz bandwidth for flexible frequency selection

• UHF Wireless Transmission: High-quality, interference-resistant signal

• Transmission Range: Up to 100 meters (depending on environment and obstacles)

• Multi-Channel System: Up to 32 systems can be used simultaneously in one location

• True Diversity Reception: Ensures reliable and stable audio with two receiver antennas

• Automatic Frequency Scan: Finds the best available frequency for minimal interference

• Powerful Transmitter: Adjustable output power for extended range and flexibility

• Low Latency: Provides high-quality, real-time audio transmission

• Rugged Build: Durable construction, designed for heavy use on set

• Ease of Use: Intuitive menu for quick setup and control

• Battery Life: Up to 8 hours with rechargeable battery packs (depending on model)

• Interchangeable Microphone Capsules: Compatible with various microphones like handheld, lapel, and headset mics