AKG AB4000EW Antenna Booster

The unit delivers 17 dB of amplification across 470–952 MHz and can compensate for cable losses between 3.5–17.5 dB, restoring signal integrity over longer antenna cable runs and extending wireless range.

The AB4000EW uses remote powering via the antenna cable, so no separate power supply is needed. It weighs only 150 g and measures 110 × 50 × 50 mm, making it discreet enough to mount near antennas or receiver locations.

Yes, up to two boosters can be daisy-chained together for applications requiring even greater signal reach, though the standard single-unit setup handles most venue and touring RF challenges.

The AB4000EW uses BNC connectors and covers the 470–952 MHz band, which is the standard range for most professional wireless microphone systems; verify your receiver's frequency band to confirm compatibility.

Yes, the waterproof metal housing is designed for road use, and an in-line power LED plus cable-length adjustment switches provide quick diagnostics and flexible configuration in the field.

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