AKG ASU4000 Remote Antenna Power Supply
Description
AKG ASU4000 Remote Antenna Power Supply
The ASU4000 is a compact, rugged power supply built to keep your wireless microphone system locked in across gigs of any scale. Its compact footprint and waterproof metal housing make it equally suited to permanent installations and touring 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 live performance or installation work.
Coverage & Construction
The 500 MHz to 865 MHz frequency range covers modern UHF wireless microphone systems across theaters, clubs, and touring applications. Rugged, waterproof metal construction and an on/off status LED deliver field-proven durability in venues ranging from outdoor amphitheaters to touring 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.
More Information
| Condition | New |
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Reviews
At a Glance
The AKG ASU4000 is a compact, waterproof power supply that distributes 8V to remote antennas in UHF wireless microphone systems, covering 500–865 MHz across broadcast, theater, and live sound setups. Built for touring rigs and permanent installations, its rugged metal housing, lockable DC input, and field-proven durability keep your wireless mics alive in outdoor venues, trucks, and demanding stage environments. Choose it to simplify multi-antenna deployments, reduce cable clutter, and ensure rock-solid RF signal integrity night after night.
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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