What payment terms are accepted?

We accept LC, T/T, D/P, and PayPal as payment terms.

What is the directivity and signal transmission type?

The microphone features uni-directional directivity and wired signal transmission via an XLR 3-pin connector.

Who manufactures these products?

We are a manufacturer with 10 years of experience in professional audio speakers and power amplifiers, supported by engineers with 10 years of work experience.

Sinbosen Sm57 High Quality Low Noise Mic Professional Karaoke Microphone

Name: Sinbosen Sm57 High Quality Low Noise Mic Professional Karaoke Microphone
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 775804202

Guangdong, ChinaGuangzhou Xinbaosheng Audio Equipment Co., Ltd.

US$15.90-19.90

1 Piece

Product profile

Customization

Available

Style

Handheld Microphone

Application

Music, Voice, Recording, Meeting, Measurement, Amplify, Stage

Model NO.

SM57

Signal Transmission

Wired

Directivity

Uni-direction

Sound Channel

Stereo

Transducer Principle

Electrodynamic Microphone

Connector(s)

XLR 3 Pin

Wireless Technology

UHF

Output Impedance

50-1000Ω

Type

Handheld Wired Microphone

Color

Black

Frequency Range

40 to 16kHz

Sensitivity

-51.5dbv / PA

Use

Karaoke Microphone, Performing,Stage

Function

High Grade Low Noise Microphone

Warranty

2 Years

Transport Package

Strong Carton Packing

Specification

330g

Trademark

Sinbosen

Origin

Guangdong Province, China

HS Code

85181000

Production Capacity

1000 Units/ Month

Key features

2-Year Warranty & Support: Free accessories and engineer support for quality issues within 2 years.

CE & ROHS Certified: Products meet strict CE and ROHS safety and environmental standards.

Low Noise Performance: High-grade electrodynamic design ensures low noise for clear audio.

Flexible MOQ: No minimum order quantity; order from 1 piece up to 1,000,000 pieces.

Lightweight Design: Light handheld structure ideal for stage performances and conferences.

Professional Manufacturer: 10 years experience in professional audio with expert engineering team.

Full Customization: Supports full customization, minor changes, and design-based options.

Fast Lead Time: Consistent 15 workdays lead time for both peak and off-season orders.

Company profile

High Repeat Buyers ChoiceYears of Export Experience

Guangzhou Xinbaosheng Audio Equipment Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤4.09h

AI-Powered supplier vetting

SummarySinbosen demonstrates broad customization and ODM capability, has introduced new products within the past year, and reports RoHS compliance. It offers small orders and customized samples, a stated three-year warranty, 18-hour service availability, and free after-sales support for quality or product problems. Production indicators include seven production lines, six to ten quality-control staff, inventory capability, and lead times within 15 working days in both peak and off-season periods. However, the supplier has no valid manufacturing-capacity contract with related subcontractors, no supplier management-system certification, no overseas warehouse, overseas branch or agent, showroom, or offline trade-show participation. Inspection and supplier-assessment procedures exist without records, and approved-supplier lists lack signatures or dates. Financial information is present only as year labels, so financial credibility cannot be verified. Customer-case evidence is limited: no Fortune 500 cooperation or...

Supplier typeThe supplier presents itself as a manufacturer with R&D, ODM, customization, inventory, and seven production lines. It exports mainly to Europe and North America, but has no overseas warehouse, branch, agent, showroom, or overseas-service country coverage.

CertificationsRoHS is explicitly identified as the supplier’s sustainable-development and product-compliance certification. However, supplier management-system certification is listed as NIL, so certification coverage is limited to the stated product-related standard.

After-Sales capabilityThe supplier states that it provides a three-year warranty, welcomes small orders and customized samples, offers 18-hour online service, and provides free after-sales support for quality or product problems. These are explicit service commitments, although no performance records are provided.

R&D capabilityThe supplier reports new products within the past year, ODM service, and broad design customization. It has two years of total R&D-engineer experience and no available SDK, indicating some product-development capability but limited evidence of advanced technical integration.

Production capacityProduction evidence includes seven production lines, six to ten quality-control staff, inventory capability, 30 qualified service-capability suppliers, and lead times within 15 working days in peak and off-season periods. A material control weakness is that no valid manufacturing-capacity contract exists with related subcontractors, while inspection and supplier-assessment procedures lack records.

Customization capabilityThe supplier explicitly supports customization from samples, full customization, customization from designs, minor customization, flexible customization, ODM services, and customized samples for small orders. This is direct evidence of broad customization flexibility.

Client casesThe supplier reports no OEM service for popular brands and no cooperation with Fortune 500 companies. No named customers, project examples, or verifiable case studies are provided, so customer-case strength cannot be established.

Product Q&A

Q:What is the warranty period and coverage?

We provide a 2-year warranty. If there are quality problems, please provide pictures or videos, and our engineers will diagnose the issue and provide after-sale support with free accessories.

Q:Is there a minimum order quantity (MOQ)?

No, there is no minimum order quantity limit. You can choose to order as few as 1 piece or as many as 1,000,000 pieces.

Q:What certifications do the products have?

Our products are certified with CE and ROHS standards, ensuring safety and quality compliance.

Q:Can I customize the microphone?

Yes, we offer flexible customization options including full customization, minor customization, customization from samples, and customization from designs.

Q:What is the lead time for orders?

The average lead time is within 15 workdays for both peak season and off-season orders.