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Professional Feedback Suppressor, Audio Processor, 6-In 6-Out Microphone Anti-Howling Frequency Shifter, Feedback Eliminator for Performance Stage Conference and Karaoke, Plug-and-Play Design — Open-Box, 5% Off
Brand: PFUM
Condition: Used
$11779
$12399
-5% Save $620
Updated: 3 days ago
Description
【Powerful Feedback Suppressor 】Equipped with a automatic feedback suppressor algorithm, 5-level parametric equalization and digital frequency shift anti-howling technology, this audio processor doubles as a reliable feedback eliminator and anti-howling suppressor. It quickly identifies and accurately eliminates howling, echo, and mic feedback from microphones and speakers—perfect for preventing the shrill disruptions that plague mic feedback eliminators are designed to solve, the effective anti-howling can reach 99%.
【Professional DSP Processor】Features a 4-core digital DSP Processor and 12 segment high fidelity retention that performs precise processing on audio signals—critical for refining output in a professional feedback suppressor. It optimizes dynamic range and frequency response, enhancing clarity and layering, whether amplifying vocals or playing music. This digital feedback suppressor’s processing power ensures professional-level sound, making it a standout audio processor for crisp, interference-free output.
【6 Versatile Ports for Multi-Device Connection】This feedback eliminator comes with 6 different types of audio ports with XLR interface, metal snap-on interface technology, also supports simultaneous connection of multiple devices like microphones, guitars, mixers, and speakers, no additional adapters needed, easily meeting complex audio connection requirements.
【Intelligent Automatic Algorithm】The professional automatic feedback suppression algorithm requires no frequent manual adjustments,fully automatic scaning feedback points. It automatically monitors the audio environment, sets suppression parameters intelligently and automatic scans whistling frequency after startup,reducing the cumbersome wiring equipment, allowing even non-professional users to get started quickly.
【Multiple Scenarios for Maximum Utility】Widely applicable to scenarios such as live performances, KTV rooms, conference speeches, church events, teaching and training, and home karaoke. Whether used in small gatherings or large venues, this digital feedback suppressor stably exerts feedback suppression effects, providing clear and stable audio support for different scenarios.
Digital feedback suppressor anti-whistling module using high-performance DSP processor, professional digital automatic feedback suppression algorithm, fully automatic scanning feedback points.Easy to solve the whistling, easy to install without manual pre, suitable for KTV, conference projects, family entertainment stage performances and other occasions.
Specifications:
Microphone input and output options: 6-in 6-Out
Product Technology:Floating point drop book auto-calculation technology
Frequency shift range:OHZ-5HZ range
Operating Voltage:12V-1A~2A
Frequency Range:50KHZ-20KHZ
Signal-to-noise ratio:Less than 110DB
Maximum Audio Signal:Peak Input Signal 700MV
Power Consumption:Less than 150MA
Power Range:DC110-240VAC50/60Hz
Weight:2.5KG with package
Chassis Volume:480*163*47 mm
Specifications:
Microphone input and output options: 6-in 6-Out
Product Technology:Floating point drop book auto-calculation technology
Frequency shift range:OHZ-5HZ range
Operating Voltage:12V-1A~2A
Frequency Range:50KHZ-20KHZ
Signal-to-noise ratio:Less than 110DB
Maximum Audio Signal:Peak Input Signal 700MV
Power Consumption:Less than 150MA
Power Range:DC110-240VAC50/60Hz
Weight:2.5KG with package
Chassis Volume:480*163*47 mm
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0ghfndx5k
- Model:
- 6in6out
- Country:
- US
- ASIN:
- B0GHFNDX5K
- UPC:
- 786354459199
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $6 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.








