Sennheiser AB 4-GW Inline Antenna Booster (558-626 MHz, +10 dB Gain)

Band-specific inline antenna booster for wireless systems in the GW frequency range

The Sennheiser AB 4-GW is an inline antenna booster with +10 dB of gain, designed for the GW frequency range (558-626 MHz). This booster is inserted between the antenna and the wireless receiver using BNC connectors to compensate for signal loss caused by coaxial cable runs, splitter insertion loss, or extended antenna placement distances.

The GW band covers a key portion of the UHF spectrum used by Sennheiser Evolution Wireless and related systems. The AB 4-GW provides band-specific amplification within this range, filtering out-of-band signals to deliver cleaner gain than a wideband booster would in RF-congested venues where television broadcasts, other wireless systems, and intermodulation products share the spectrum.

Key Features

• +10 dB active gain for the GW band (558-626 MHz)
• BNC connectors for inline installation
• Band-specific filtering reduces out-of-band interference amplification
• Compact inline form factor
• Designed for Sennheiser wireless systems in the GW range
• Compensates for cable loss and splitter insertion loss

Professional Applications

Commonly deployed in church, house of worship, and professional AV environments.

• Extended antenna cable runs in the GW frequency range
• Compensating splitter insertion loss in multi-receiver antenna systems
• Venues with congested RF environments requiring filtered amplification
• Touring and installed systems operating in the 558-626 MHz band

Frequently Asked Questions

Is the AB 4-GW interchangeable with the AB 4-AW+?

No. Each AB 4 variant is tuned to a specific frequency band. The AB 4-GW covers 558-626 MHz, while the AB 4-AW+ covers 470-558 MHz. Use the variant that matches your wireless system's operating frequency range.

Can I stack multiple AB 4-GW boosters for more gain?

Cascading boosters is generally not recommended, as excessive gain can cause receiver overload and intermodulation issues. A single +10 dB booster should be sufficient for most cable runs. If more gain is needed, consider using lower-loss coaxial cable or repositioning the antenna closer to the receiver.

Related Equipment and Workflow Compatibility

The AB 4-GW works with any Sennheiser wireless system operating in the GW frequency range. It is commonly paired with A 1031-U or A 5000-CP antennas and ASA antenna splitters for multi-receiver antenna distribution systems.

Why Professionals Use This Type of Product

• GW band-specific filtering delivers cleaner gain in congested RF environments
• +10 dB compensates for typical cable and splitter losses
• Inline BNC design installs between existing antenna and receiver hardware
• Matched to the GW band for optimal performance without out-of-band noise

Additional Compatibility Information

The Sennheiser AB 4-GW is a band-specific inline antenna booster with +10 dB gain for the GW frequency range (558-626 MHz), designed for use with Sennheiser wireless systems and BNC antenna connections.