What is the frequency response range?

The frequency response is 20Hz-20kHz with -2dB tolerance in stereo mode.

What are the dimensions and weight of the unit?

The product dimensions are 430x265x44mm and the net weight is 3.4kg.

What is the lead time for orders?

The average lead time is within 15 workdays or one month during peak season, and 1-3 months during off-season.

4-Channel 120W WiFi Audio Amplifier Smart Multi-Room WiFi Audio System with Bluetooth/USB/Aux

Name: 4-Channel 120W WiFi Audio Amplifier Smart Multi-Room WiFi Audio System with Bluetooth/USB/Aux
Brand: Guangzhou Temeisheng Audio Technic Co Ltd
SKU: 1945663501

Guangdong, ChinaGuangzhou Temeisheng Audio Technic Co Ltd

US$141.70

50-99 Pieces

US$130.80

100-199 Pieces

US$109.00

200-499 Pieces

US$103.00

500+ Pieces

Sample price:US$150.00/piece.Request sample

Product profile

Customization

Available

Type

Home Amplifier

Usage

Hi-Fi, AV, KTV System

Model NO.

WF-4120

Used For

Civilian

Function

Amplifier Combined

Sound Channel

2.1

Output Number

Rated Output Power

4*120W (4ohm)

Input Sensitivity

1V(1kHz)

Thd+N

Less Than 0.1%

Snr

More Than 90dB

Frequency Responses

20Hz-20kHz -2dB

Product Dimensions

430X265X44mm

Net Weight

3.4kg

Transport Package

Gift Box/ Export Carton/ Pallet

Specification

430x265x44mm

Trademark

Ben & Fellows or OEM

Origin

China

HS Code

8518400090

Production Capacity

50000PCS Per Year

Key features

4-Channel 120W Power: Delivers 4 x 120W stereo output with 2.1 system capability in bridged mode.

Multi-Protocol Streaming: Supports WiFi, Bluetooth, Airplay, DLNA, and Internet Radio for wireless audio.

Independent Channel Control: Allows users to adjust the volume of each of the four channels independently.

Versatile Input Options: Features USB reader, AUX input, and Mic input for diverse audio sources.

Smart App Management: Enables convenient music management and control via the WiiM APP.

Full Customization Service: Offers full customization, sample-based, design-based, and flexible customization options.

High Fidelity Performance: Features THD+N less than 0.1% and SNR greater than 90dB for clear sound.

Compact Design: Dimensions of 430x265x44mm with a net weight of only 3.4kg.

Company profile

Importers and ExportersPatents AwardedQuality AssuranceR&D Capabilities

Guangzhou Temeisheng Audio Technic Co Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤4.19h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company in Guangdong offering export trade, manufacturing, service, quality control, R&D, and sustainability information. It demonstrates broad customization, ODM capability, recent product development, OEM service for known brands, five production lines, and documented procedures for service quality, complaints, and corrective actions. Export activity is substantial at 90% of total sales, with 17 experienced export-trade staff and Guangzhou Port proximity. However, the supplier has no SDK, overseas warehouse, showroom, overseas agent or branch, and has not participated in offline trade shows. Financial information is limited to year labels without measurable financial results. Quality control staffing is two inspectors, and continuous quantity reconciliation for each batch is not performed.

Supplier typeThe supplier is classified as a combined company, with offerings covering export trade, manufacturing, service, quality control, R&D, photos, and sustainability. Its head office is in Guangdong, and the representative title identifies portable and Bluetooth speaker products.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaint handling. However, it has no overseas warehouse, showroom, overseas agent, or branch, and reports zero countries with overseas services, limiting evidence of local overseas after-sales coverage.

R&D capabilityThe supplier reports an industry-leading design team, new products during the past year, ODM services, and customization from samples and designs. It does not have an available SDK, so its innovation evidence is stronger in product design and development than in software-development support.

Production capacityThe supplier reports five production lines, manufacturing equipment including punching, grinding, resistance and hi-pot testers, an oscilloscope, and standardized finished-product inspection instructions. It also has 90% export sales and 17 experienced export-trade staff, but does not continuously reconcile quantities for every batch.

Customization capabilityBoth R&D and design-service information explicitly lists customization from samples, customization from designs, full customization, minor customization, and flexible customization. ODM service is also available, providing direct evidence of broad customization support.

Client casesThe supplier explicitly states that it provides OEM services for well-known brands. No brand names, project details, product volumes, or verification materials are supplied, so the evidence supports the existence of brand-serving experience but not its breadth or quality.