Can the volume levels be monitored visually?

Yes, each channel has independent volume control with rotary LED indicators and frequency indicator LEDs to show signal status.

What is the power supply requirement?

The unit operates on AC 220 V power supply.

Does the device support customization?

Yes, OEM and ODM services are available, including customization from samples, designs, and flexible minor customizations.

Afs-4.2 DSP Automatic Feedback Suppressor 4×4 Anti-Howling Audio Processor for Microphone Systems

Name: Afs-4.2 DSP Automatic Feedback Suppressor 4×4 Anti-Howling Audio Processor for Microphone Systems
Brand: Shandong Lightning Cloud Technology Engineering Co., Ltd.
SKU: 2153970742

Shandong, ChinaShandong Lightning Cloud Technology Engineering Co., Ltd.

US$151.93-258.29

1 set

Product specifications

customizable

Sample price:US$258.29/set.Request sample

Product profile

Customization

Available

Noise

82 Db

Hi-Fi

Model NO.

AFS-4.2

Activity

Active

Operation Mode

Button Control

Speaker System

None

Speaker Material

Metal

Application

Commercial, Home

Certification

CE, RoHS, CCC

Monitor

LCD Screen

THD

None

Processor Type

Automatic Feedback Suppressor

DSP Processor

Digital DSP Processor

Audio Inputs

4 Balanced Inputs (XLR / 6.35 mm)

Audio Outputs

4 Balanced Outputs (XLR / 6.35 mm)

Power

AC 220 V

Transport Package

Carton

Origin

China

Key features

Advanced DSP Feedback Suppression: Utilizes digital signal processing with 68 automatic filter points to effectively eliminate acoustic feedback.

Real-Time LED Monitoring: Features LED indicators for signal status, volume levels, and frequency limits to prevent distortion.

Automatic Dynamic Filtering: Activates notch filters within 2 seconds upon feedback detection while maintaining high audio fidelity.

Built-in Automatic Limiter: Protects speakers from overload and damage by automatically limiting signal levels at critical thresholds.

Versatile Input/Output Options: Supports multiple connector types including XLR and 6.35 mm for flexible system integration.

Wide Application Range: Ideal for conference rooms, KTV, home theaters, and small to medium performance venues.

High Signal-to-Noise Ratio: Delivers Hi-Fi audio quality with a signal-to-noise ratio of 82 dB for clear sound reproduction.

Certified Quality Assurance: Complies with CE, RoHS, and CCC certifications ensuring safety and environmental standards.

Company profile

Importers and ExportersMulti-language PioneerIn-stock CapacityFast Delivery

Shandong Lightning Cloud Technology Engineering Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.64h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with broad business activities spanning electronic products, software and hardware, display devices, intelligent robots, new-energy equipment, security systems, and related technical services. It offers extensive customization, including sample-, design-, full-, minor-, and flexible customization, and launched new products during the past year. Quality assurance is reported, but finished-product inspection is random, only one quality inspector is reported, and raw-material traceability is unavailable. The supplier has in-stock capability but no overseas warehouse or showroom. It lacks 3D software design and SDK availability. Financial information supplied shows zero operating revenue, cost, gross profit, and operating profit for the stated periods; no monetary figures are reproduced here. Corrective-action and complaint-handling procedures exist but lack written records. No customer cases or certifications are explicitly provided.

Supplier typeThe supplier is explicitly described as a professional technical supplier and its business scope covers electronic components, software and hardware, display devices, intelligent robots, new-energy equipment, security systems, and technical services. This supports classification as a diversified technology and equipment supplier rather than a narrowly specialized manufacturer.

Financial creditThe supplied financial-capacity record reports zero operating revenue, operating cost, gross profit, and operating profit for the stated periods. These figures provide explicit evidence of very limited reported operating activity, although the slices do not explain the accounting context or independently verify the data.

R&D capabilityThe supplier is identified as having professional technical R&D capability and launched new products during the past year. It also offers broad product customization, but does not provide 3D software design or an available SDK; the company description additionally presents a strategic manufacturing partner with automated production facilities and complete production lines.

Production capacityThe company description states that its display-solutions partner has automated production facilities and complete production lines, and the supplier reports in-stock capability. Nevertheless, outsourcing procedures and manufacturing contracts have unknown status, so the slices support production-related capability but do not fully establish the supplier’s own manufacturing controls.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is repeated across the R&D and design-capability records and is direct evidence of broad customization capability.