Premium Sf-900 Instant Mute Adjustable Gain Microphone for Clear Sound

Name: Premium Sf-900 Instant Mute Adjustable Gain Microphone for Clear Sound
Brand: Shenzhen Qiyin Electronics Co., Ltd
SKU: 2270118335

Guangdong, ChinaShenzhen Qiyin Electronics Co., Ltd

US$26.60

1,000-2,999 Sets

US$26.30

3,000+ Sets

Product profile

Customization

Available

Style

Condenser Microphone

Application

Music, Voice, Recording, Meeting, Measurement, Amplify

Model NO.

SF-900

Signal Transmission

Wired

Directivity

Uni-direction

Sound Channel

Mono

Transducer Principle

Condenser Microphone

Sound Field Force

Connector(s)

USB

Wireless Technology

Output Impedance

1000-20000Ω

Sampling Rate.

48kHz

Bit Depth

16bit

Sensitivity

-45db+3db

Frequency Response

20Hz-16kHz

Transport Package

Gift Box

Trademark

Yanmai

Origin

Shenzhen

HS Code

8518100090

Production Capacity

1000000

Key features

Triple Vibration Membrane: Features 3*14mm condenser units for superior sound capture.

4 Polar Patterns: Switchable Stereo, Omni, Cardioid, and Bidirectional modes.

Fast Mute Function: Instantly silences the microphone with a single press.

Adjustable Gain Control: Precise microphone gain adjustment for optimal audio levels.

High Sampling Rate: Supports 48kHz sampling rate and 16-bit depth for clarity.

ISO Certified Quality: Manufactured under ISO 9001, 14001, and OHSAS 18001 systems.

Global Certifications: Approved by CE, RoHS, REACH, FCC, UKCA, and FSC standards.

OEM/ODM Customization: Offers flexible, minor, and full customization options.

Company profile

Importers and ExportersYears of Export ExperienceSelf-brandedExhibition Experience

Shenzhen Qiyin Electronics Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Full Customization, Flexible customization, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Shenzhen PortsAverage Response Time: ≤2.61h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory producing electronic, audio-visual, plastic, circuit-board, digital, and electronic-component products. It reports five production lines, annual microphone output of 2,400,000 pieces, six to ten quality-control staff, three quality-assurance/quality-control inspectors, and 50 years of combined R&D-engineer experience. It offers flexible, minor, and full customization, ODM services, and OEM services for well-known brands. Quality inspection instructions are reportedly available and uniformly followed. However, service-capability procedures, corrective/preventive actions, and complaint-handling procedures lack written records. The supplier has inventory capability and valid manufacturing-capacity contracts with associated subcontractors, but no overseas warehouse or showroom. Financial records are indicated for 2022–2024, but no financial results are provided. Export sales account for 71%–90% of total sales.

Supplier typeThe supplier is identified as a factory in Shenzhen’s Futian District, with associated companies in manufacturing. Its stated business scope covers R&D, production, processing, and sales of electronic, audio-visual, plastic, circuit-board, digital, and electronic-component products. This supports classification as a manufacturing supplier rather than a purely trading or offshore entity.

R&D capabilityThe supplier reports 50 years of combined R&D-engineer experience, new-product development during the past year, ODM capability, and an electronics-related R&D and production scope. However, it does not have an available SDK, so the evidence supports product-development capability but not SDK-based development support.

Production capacityProduction evidence includes factory status, five production lines, annual microphone output of 2,400,000 pieces, inventory capability, and valid manufacturing-capacity contracts with associated subcontractors. The supplier also reports a one-month average lead time in both peak and off-season periods, supporting established production capacity, although no broader product-output figures are provided.

Customization capabilityThe supplier explicitly offers flexible customization, minor customization, and full customization, and also provides ODM services. These stated capabilities indicate support for both limited modifications and more comprehensive product-design or manufacturing customization.

Client casesThe supplier states that it provides OEM services for well-known brands, and export sales represent 71%–90% of total sales. These points indicate experience serving branded and overseas customers, but no specific customer names, project descriptions, or verifiable case details are provided.

Product Q&A

Q:Why is the price higher than others?

Our design uses exclusive private molds with higher costs, and we utilize high-quality imported chipsets to ensure good quality, reduce complaints, and lower after-sales costs, ultimately bringing you more profits.

Q:Why the lead time is so long?

Our normal lead time is 35 days due to high demand. For fast delivery, we can support you, but it may affect scheduled production and incur surcharges at your side.

Q:Do you have Retail Price limit?

Yes, we have a lowest retail price limit to ensure fair competition, reasonable profits for you, and long-term product health.

Q:How do you ensure the quality?

We follow strict ISO9001 quality control with an AQL standard of 0.65/1. We have professional anechoic chambers, testers, and a QC team of over 30 staffs for IQC, PQC, LQC, and FQC.

Q:What is the warranty period?

Our warranty is 1 year for the product (excluding accessories) and 6 months for accessories. We are fully responsible for factory-caused defects and offer replacements or full refunds.

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