What is the screen resolution?

The device features a 4-inch capacitive touch screen with a resolution of 480*480 IPS.

Does it support doorbell integration?

Yes, the system supports triggering a doorbell function for added convenience.

What is the lead time for orders?

Peak and off-peak season lead times are within 15 workdays to one month.

4*25W Bluetooth Wall Amplifier with Android Equipped with Bluetooth/USB/TF

Name: 4*25W Bluetooth Wall Amplifier with Android Equipped with Bluetooth/USB/TF
Brand: Guangzhou Temeisheng Audio Technic Co Ltd
SKU: 1945249541

Guangdong, ChinaGuangzhou Temeisheng Audio Technic Co Ltd

US$90.74

1-49 Pieces

US$83.76

50-99 Pieces

US$69.80

100-499 Pieces

US$66.31

500+ Pieces

Sample price:US$91.00/piece.Request sample

Product profile

Customization

Available

Type

Home Amplifier

Used For

Civilian

Model NO.

BA-425ADi

Function

Amplifier Combined

Sound Channel

Output Number

Voltage

AC 110V

Conductive Mode

Output Power

4*25W

Speaker Impedance

4-8ohm

Expand TF Card Memory

8GB, Scalable to 32g

Resolution

480*480 IPS

Bluetooth Wireless Range

≤10m

Snr

98dB

Frequency Response

20 Hz-20 kHz (+/-2dB)

Music Format

MP3, WMA, Wav, AAC, Waw, Ape, Ogg, etc.

Video Format

MPEG-1/2/3/4, RM/RMVB, WMV, MOV, Mk, Vob, AVI,...

Net Weight

0.7kg

Power Requirements

110-250VAC

USB

OTG USB

Thd

0.03% (1W.1kHz)

Network

WiFi

System

Android

Transport Package

Gift Box/ Export Carton/ Pallet

Specification

86*86*38mm

Trademark

Ben & Fellows or OEM

Origin

China

HS Code

8518400090

Production Capacity

50000PCS Per Year

Key features

Android System Integration: Equipped with Android 11 OS, 1GB memory, and Cortex 1.2G Quad-core CPU for smart functionality.

High-Efficiency Class-D Amplifier: Delivers 2*25W or 4*25W output with 0.03% THD and 98dB SNR for clear sound reproduction.

Versatile Media Playback: Supports TF cards, OTG USB, and internet apps like Spotify and Pandora via Android.

Interactive Touch Display: Features a 4-inch 480*480 IPS capacitive touch screen for easy track and volume control.

Multi-Channel Speaker Support: Can power 2 to 8 speakers with 4-8ohm impedance for home or small commercial areas.

Doorbell and Audio I/O: Supports doorbell triggering and secure audio input/output via Phoenix connectors.

Full Customization Available: Offers full customization, sample-based, design-based, and minor flexible 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: ≤4.87h

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.