What is the sensitivity of the speaker?

The sensitivity is 94dB at 1m/1W.

4 Ohm Line Array Column Speaker with 8 * 4" High Performance Driver Sleek for Wide Coverage Area

Name: 4 Ohm Line Array Column Speaker with 8 * 4" High Performance Driver Sleek for Wide Coverage Area
Brand: Guangzhou Temeisheng Audio Technic Co Ltd
SKU: 1951366071

Guangdong, ChinaGuangzhou Temeisheng Audio Technic Co Ltd

US$297.70

1-9 Pieces

US$274.80

10-29 Pieces

US$229.00

30-99 Pieces

US$217.55

100+ Pieces

Sample price:US$297.70/piece.Request sample

Product profile

Customization

Available

Amplification Type

Passive

Speaker Material

Metal

Model NO.

DP 440B

Usage

Stage/DJ, Karaoke, Home Theatre System

Sound Channel

SNR

81-90dB

Output Power

440W

Peak Power

1760W

Impedance

4ohm

Freq. Response

100Hz~20kHz

Sensitivity(1m/1W)

94dB

Spl

117dB

Dispersion Angle

Vertical: 20° and Horizontal: 160°

Material

Aluminum Alloy

Connection Interface

1 Nl4 Socket(+1/-1)+1 Euroblock

Speaker Driver

8X4" Neodymium Magnet, 1*25.4mm Voice Coil Neodym

Transport Package

Gift Box/ Export Carton/ Pallet

Specification

240*530*400mm

Trademark

Ben & Fellows or OEM

Origin

China

HS Code

8518290000

Production Capacity

50000PCS Per Month

Key features

High Output Power: Delivers 440W output power and 1760W peak power for robust audio performance.

Premium Driver Quality: Equipped with 8x4' neodymium magnet drivers ensuring unsurpassed sound quality.

Durable Aluminum Build: Constructed from aluminum alloy for a sleek, durable, and lightweight design.

High Sensitivity: 94dB sensitivity at 1m/1W ensures efficient sound projection with less power.

Flexible Customization: Offers full customization, minor customization, and flexible options for designs.

Professional Connectivity: Includes 1 NL4 socket and 1 Euroblock interface for secure and easy connections.

Optimized Frequency Response: 100Hz~20kHz frequency response provides clear speech intelligibility and rich audio.

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: ≤4.21h

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.