What are the power supply options?

The device supports both DC12V and PoE48V power supplies.

What is the frequency response range?

The frequency response ranges from 20Hz to 20kHz.

Does it support video conferencing applications?

Yes, the built-in USB sound card supports music playback, recording, and soft video conferencing like ZOOM and Tencent Meeting.

Built-in USB Sound Card Configurable Digital 4 in 4 out Audio Processor with RS 232, Camera Control and Dante

Name: Built-in USB Sound Card Configurable Digital 4 in 4 out Audio Processor with RS 232, Camera Control and Dante
Brand: Guangzhou Temeisheng Audio Technic Co Ltd
SKU: 2140803615

Guangdong, ChinaGuangzhou Temeisheng Audio Technic Co Ltd

US$418.00

1-9 Pieces

US$380.00

10+ Pieces

Sample price:US$418.00/piece.Request sample

Product profile

Customization

Available

Noise

<95dB

Speaker Material

Metal

Model NO.

DSP-440ND+

Application

Commercial, Home

DSP Processing Power

400 Mips, 1.6 Gflops

Sample Rate

48K/24bit

Frequency Response

20~20kHz

Processor

Adi Sharc 21489@450 MHz Simd

Thd+N

<-100dB @4dbu

Power Supply

DC12V/Poe48V

Dimension

215X162X44mm

Weight

2kg

Transport Package

Gift Box/ Export Carton/ Pallet

Specification

215x162x44mm

Trademark

Lucky Tone or OEM

Origin

China

HS Code

8543709200

Production Capacity

500000PCS Per Year

Key features

Advanced DSP Processing: Powered by ADI SHARC 21489@450 MHz SIMD with 400 MIPS and 1.6 GFLOPS.

Comprehensive Audio Features: Includes AFC, AEC, ANS, ANC, AGC, and 8-band equalizer with 5 filter options.

Flexible Connectivity: Features 4x4 analog I/O, 4x4 Dante I/O, USB sound card, RS232, RS485, and UDP control.

Low Latency Performance: System latency is less than 3ms for real-time audio processing.

High Dynamic Range: Input dynamic range of 110dB and output dynamic range of 112dB.

Customizable Interface: Supports up to 30 devices managed under a single customizable user interface.

Versatile Power Supply: Compatible with DC12V and PoE48V power sources.

OEM/ODM Services: Offers full customization, sample-based, design-based, and minor customization options.

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: ≤3.69h

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.