What is the frequency response?

The frequency response is 100Hz-16KHz with less than 1% THD.

Professional Audio PA Public Address System Mini Power Amplifier

Name: Professional Audio PA Public Address System Mini Power Amplifier
Brand: Hangzhou Zhonghe Electronic Equipment Co., Ltd.
SKU: 1903530055

Zhejiang, ChinaHangzhou Zhonghe Electronic Equipment Co., Ltd.

US$14.00-16.00

1 Piece

Sample price:US$14.00/piece.Request sample

Product profile

Customization

Available

Type

Desktop Amplifier

Usage

Hi-Fi, AV, KTV System

Model NO.

USB-40D

Used For

Civilian

Tube Type

Transistor Amplifier

Function

Amplifier Combined

Output Number

Conductive Mode

Rated Power

20W

Transport Package

Carton

Trademark

Zhonghe/FLB

Origin

Hangzhou, Zhejiang

Production Capacity

50000pieces/Year

Key features

Versatile Input Options: Supports MIC, AUX, USB, SD, Bluetooth, and FM Radio for multiple media sources.

Compact Class D Design: Small, light, and easy to carry with higher power efficiency than Class AB amplifiers.

Dual Color Selection: Available in Silver or Black finishes to match different aesthetic preferences.

Precise Audio Control: Features 2-band tuning with Treble and Bass controls for optimized sound quality.

OEM/ODM Support: Manufacturer offers OEM and ODM services with dedicated R&D engineers.

High Power Efficiency: 20W rated power with less than 1% THD, delivering stable performance.

Company profile

Hangzhou Zhonghe Electronic Equipment Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2018-03-01 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: >24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHangzhou Zhonghe Electronic Equipment Co., Ltd. is a China-based limited company established in 2000, operating from Zhejiang with 300 employees. It manufactures public-address and professional audio equipment, including IP broadcasting systems, amplifiers, speakers, microphones, mixers, and related products. The supplier reports multiple factories, 10 production lines in one capacity record and 12 audio/video lines in another, with stated production of up to 800,000 electronic devices annually. It has self-operated import and export rights and exports mainly to Southeast Asia, the Middle East, and Europe, although exports represent only 1%–10% of total sales. Evidence supports broad product development, substantial manufacturing capability, and extensive reported customer-case experience. No supplier-management-system certification is reported, while after-sales service, financial credibility, and customization capability are not sufficiently documented.

Supplier typeThe supplier is identified as Hangzhou Zhonghe Electronic Equipment Co., Ltd., a Chinese limited company operating in consumer electronics and specializing in audio equipment. Its stated product range includes IP broadcasting equipment, broadcast amplifiers, professional audio, speakers, microphones, and sound mixers.

CertificationsThe supplier-management-system certification field is explicitly recorded as "NIL." No other certification evidence is provided, so there is no documented certification advantage in the supplied information.

R&D capabilityThe supplier reports independent development of dozens of series and more than 1,000 product varieties, describes R&D innovation as a long-term business focus, and reports five years of R&D engineer experience. Its product scope also includes IP and network broadcasting equipment, supporting a documented product-development capability.

Production capacityProduction evidence is substantial: the supplier reports four factories exceeding 20,000 square meters in total, a 15,000-square-meter manufacturing plant, 10 production lines in one record and 12 audio/video lines in another, plus stated annual capacity of 800,000 electronic devices. It also reports specialized production for speakers, outdoor sound columns, audio equipment, and plastic parts, with peak-season fulfillment of 2–3 months.

Client casesThe supplier claims more than 2 million successful cases worldwide. This is explicit evidence of a large reported case base, although the slices do not provide customer names, project references, industries, or independently verifiable case details.