AKG AB4000EW Antenna Booster B-Stock
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- SKU
- 3009H00130-B
Description
AKG AB4000EW Antenna Booster
The AKG AB4000EW is a compact, inline antenna booster designed to strengthen wireless microphone reception in challenging RF environments. Built for touring sound engineers and fixed installations where signal dropout threatens your performance, its rugged metal housing and straightforward power delivery make it a dependable tool you can trust night after night.
Signal Boost & Coverage
This booster delivers 17 dB of amplification across the 470–952 MHz frequency range, compensating for cable losses between 3.5–17.5 dB to restore signal integrity over longer runs. On stage or in larger venues, you'll gain extended wireless range and fewer dead zones—critical when your mic can't drop mid-performance.
Design & Build
The unit measures 110 mm in length with 50 mm height and features rugged, waterproof metal housing engineered to survive the road. An in-line power LED display and cable length adjustment switches let you diagnose issues and reconfigure on the fly without hunting for external interfaces or backup gear.
Key Features
- Frequency Range: 470–952 MHz
- Amplification: 17 dB gain
- Signal Compensation: 3.5–17.5 dB cable attenuation correction
- Housing: Rugged, waterproof metal construction
- Power Delivery: Remote powering via antenna cable
- In-line power LED display
- Cable length adjustment switches
- Operating Temperature Range: −10°C to +50°C
- Length: 110 mm
- Height: 50 mm
- Compatible with RA4000 B/EW, RA4000 EW, SRA2 B/EW, and SRA2 EW antennas
The AB4000EW is essential for RF-critical live sound and install work where reliable signal reach and built-in diagnostics justify a compact footprint and straightforward installation.
This specific B-Stock unit features minor cosmetic imperfections typical of B-Stock inventory—light blemishes and surface wear on the exterior casing. These marks are purely superficial and have absolutely zero impact on the playability, audio performance, or structural integrity of the unit. Acquire this premium AKG wireless system at a significant B-Stock discount with full manufacturer warranty included.
More Information
| Condition | Refurbished |
|---|---|
| Country of Manufacture | China |
Reviews
At a Glance
The AKG AB4000EW is a compact inline antenna booster that delivers 17 dB of signal amplification across 470–952 MHz to eliminate wireless mic dropouts and dead zones on stage. Built for touring and live venues with rugged, waterproof metal construction and remote powering via antenna cable, it restores signal integrity over longer cable runs and gives sound engineers rock-solid RF coverage without extra rigs or complexity. Choose it when reliable wireless reception matters more than adding gear to your tech rider.
Who This Is For
Great for
- ✓ Live Performance
- ✓ Touring
- ✓ Studio Sessions
Skill level: Intermediate · Advanced · Professional
Frequently Asked Questions
What does B-Stock mean for this antenna booster?
B-Stock means this unit is fully functional with minor cosmetic imperfections—light blemishes and surface wear on the exterior casing. These marks are purely superficial and have zero impact on audio performance, signal amplification, or structural integrity.
What wireless antennas is this booster compatible with?
The AB4000EW works with RA4000 B/EW, RA4000 EW, SRA2 B/EW, and SRA2 EW antennas. It connects inline between your antenna and receiver to boost the incoming RF signal before it reaches the wireless system.
How much signal boost does it provide, and what cable losses can it compensate for?
It delivers 17 dB of amplification across 470–952 MHz and compensates for cable attenuation losses between 3.5–17.5 dB, effectively restoring signal strength over longer antenna cable runs and reducing dead zones.
Does it need external power, or does it draw power from the antenna cable?
The AB4000EW uses remote powering via the antenna cable itself, eliminating the need for a separate power supply. An in-line power LED display provides quick visual confirmation that the booster is active.
What temperature range is it rated for, and is it suitable for touring?
It operates reliably between −10°C and +50°C and features rugged, waterproof metal housing designed to handle touring conditions and outdoor venues without signal compromise.
Do I pay sales tax on this order?
We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. On this item that is roughly $27 less out the door than the same listed price at a national retailer or on a marketplace. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.
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