AKG ASU4000 Remote Antenna Power Supply
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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 installations and touring rigs that demand reliability in demanding environments.
Power Distribution & ConnectivityOperating 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 & ConstructionThe 500 MHz to 865 MHz frequency range accommodates modern UHF wireless microphone systems across broadcast, theater, and live sound 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.
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