AKG ASU4000 Remote Antenna Power Supply
Description
AKG ASU4000 Remote Antenna Power Supply
The ASU4000 is a compact, rugged power supply engineered to support distributed antenna systems in wireless microphone installations. Its compact footprint and waterproof metal housing make it equally suited to permanent studio setups and mobile recording rigs that demand reliability in demanding environments.
Power Distribution & Connectivity
Operating from a 12 V DC input, the unit delivers 8 V to antenna components via 50-ohm BNC connectors, ensuring impedance-matched signal integrity across your wireless system. The lockable DC input prevents accidental disconnection during recording sessions or system reconfiguration.
Coverage & Construction
The 500 MHz to 865 MHz frequency range accommodates modern UHF wireless microphone systems across studio, location, and live recording applications. Rugged, waterproof metal construction and an on/off status LED deliver field-proven durability in environments ranging from controlled studio spaces to mobile recording trucks.
Key Features
- Compact dimensions: 78 x 50 x 50 mm (3.1 x 2.0 x 2.0 in.)
- Lightweight at 150 g (5.3 oz.)
- Operating supply voltage: 12 V DC
- Output voltage: 8 V to antenna components
- 50-ohm BNC input and output connectors
- Frequency range: 500 MHz to 865 MHz
- Rugged, waterproof metal housing
- On/off status LED indicator
- Lockable DC input connector
- Powers up to three active antenna elements (RA4000 B/EW, SRA2 B/EW, AB4000 EW)
This power supply centralizes antenna power distribution, reducing cable runs and simplifying system architecture in multi-antenna wireless microphone deployments for recording and production work.
More Information
| Condition | New |
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Reviews
At a Glance
The ASU4000 centralizes antenna power distribution for studio and remote recording wireless systems, delivering clean 8V output to up to three active antenna elements across the 500–865 MHz UHF band. Its compact footprint and impedance-matched BNC connectors integrate cleanly into fixed or mobile recording rigs, while waterproof construction and reliable DC regulation support consistent RF performance in any tracking or field-recording scenario. Add it to a wireless mic setup to eliminate cable runs, reduce system complexity, and maintain stable antenna gain across long sessions.
Frequently Asked Questions
What voltage does the ASU4000 output to antennas?
The ASU4000 accepts a 12 V DC input and outputs 8 V to antenna components via 50-ohm BNC connectors, ensuring impedance-matched signal integrity.
How many antennas can this power supply support?
The ASU4000 can power up to three active antenna elements, such as the RA4000 B/EW, SRA2 B/EW, or AB4000 EW models.
Is the ASU4000 suitable for outdoor or touring use?
Yes. Its rugged, waterproof metal housing, lockable DC input connector, and compact 150 g weight make it reliable in outdoor amphitheaters, touring trucks, and other demanding field environments.
What frequency range does this power supply support?
The ASU4000 operates across 500 MHz to 865 MHz, covering modern UHF wireless microphone systems used in broadcast, theater, and live sound applications.
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