What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece.

What are the payment and delivery terms?

We accept T/T, PayPal, Western Union, LC, D/P, and small-amount payments. Delivery is via UPS, FedEx, or TNT, typically arriving within 5-7 days after shipping.

Wall and Ceiling Mounted Directional Audio Ultrasonic Parametric Speaker for Museums

Name: Wall and Ceiling Mounted Directional Audio Ultrasonic Parametric Speaker for Museums
Brand: Shenzhen Golden Lisen Electronic Tech. Co., Ltd.
SKU: 2043135272

Guangdong, ChinaShenzhen Golden Lisen Electronic Tech. Co., Ltd.

US$100.00

10-49 Pieces

US$98.00

50-199 Pieces

US$95.00

200-999 Pieces

US$90.00

1,000+ Pieces

Sample price:US$110.00/piece.Request sample

Product profile

Customization

Available

Impedance

4 ohms

Operating Voltage

Model NO.

G-19

Power

15W

Sound Pressure Level

85 dB

Usage

Alarms, Automotive Industry, Electronic Device, Industrial Equipment, Medical Device, Security System, Expand Volume, Directional Speaker

Model No.

G19

Product Size

985*985*35mm

Angle Range

About 15 Degrees

Max Power

15W

Spl

85dB@1kHz/1m

Thd Total Harmonic Distortion

0.5%

Audio Input

3.5mm, Bluetooth, TF Card

Power Input

DC 5V 3A

Transmision Distance

>15m

Frequency Range

400Hz-10kHz

Material

Aluminium Alloy

Harmonic-Distortion

0.50%

Radiation Mode

Direct Radiation Type

Transmission Mode

Ultrasonic Wave

Transport Package

Gift Box

Specification

39*20*25cm

Trademark

Lisenecho

Origin

China

HS Code

8518290000

Production Capacity

15000PCS/Year

Key features

Ultrasonic Directional Sound: Creates a narrow beam like a flashlight, allowing sound to be heard only in a specific area without disturbing others.

Flexible Customization: OEM and ODM services are available with flexible customization options for models and packaging.

Multiple Audio Inputs: Supports Bluetooth 5.0, 3.5mm audio line, and TF card for versatile media playback.

Super-Thin Design: Features a super-thin transducer unit (35mm for G19) for discreet wall or ceiling mounting.

Low Distortion Audio: Pre-processing algorithm reduces harmonic distortion to 0.5% for clear voice and music quality.

Easy Installation: Can be installed at any angle on walls or ceilings with included power driver and audio line.

Certified Quality: Products are certified with FCC, RoHS, and CE standards for safety and compliance.

Virtual Speaker Mode: Sound beam bounces off objects to create a virtual sound source, hiding the actual speaker location.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamFast Delivery

Shenzhen Golden Lisen Electronic Tech. Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: The company had successful foreign trading experience in North America, South America and Europe. CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.54h

AI-Powered supplier vetting

SummaryShenzhen Golden Lisen Electronic Technology Co., Ltd. is described as a high-tech manufacturer established in 2005, covering product R&D, production, and sales. Its products include hanging CD machines, advertising power banks, and Bluetooth speakers. The supplier reports FCC, RoHS, and CE compliance certifications, flexible customization, and delivery of customized samples within three days. It has four R&D engineers, six to ten quality-control staff, and reported lead times within 15 workdays in both peak and off-peak seasons. Service procedures for corrective and preventive actions and customer complaints are documented and followed. However, the supplier reports no in-stock capacity, overseas warehouse, overseas showroom, overseas agents or branches, or offline trade-show participation. No new products were launched in the past year, no SDK is available, and quality assurance status and raw-material traceability are unknown. Financial information is represented only by reporting years, so financial...

Supplier typeThe supplier is explicitly described as a high-tech enterprise integrating product research and development, production, and sales. Its stated product range includes hanging CD machines, advertising power banks, and Bluetooth speakers, supporting classification as an electronics manufacturer.

CertificationsThe supplier reports FCC, RoHS, and CE certifications in both its sustainable-development/product-certification information and product compliance information. These stated certifications provide explicit evidence of compliance coverage for the listed standards.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints. However, it reports no in-stock service capacity, overseas warehouse, overseas showroom, overseas agents or branches, and service coverage in zero countries, indicating limited physical overseas support.

Customization capabilityThe supplier explicitly offers flexible customization and states that its R&D team can provide a new customized sample within three days. Its description also identifies integrated R&D, production, and sales capabilities, directly supporting a positive assessment of customization services.

Client casesThe supplier states that it serves customers in East Asia, Southeast Asia, Europe, and North America, and confirms OEM service for well-known brands. It reports no cooperation with Fortune 500 companies; therefore, geographic reach and brand OEM experience are evidenced, but major-enterprise case strength is limited.

Product Q&A

Q:How does the directional sound technology work?

It uses ultrasonic waves to create a narrow, linear beam that spreads like a flashlight. Sound is audible only in the specified area, while outside this zone, there is little to no noise.

Q:What are the available audio input methods?

The speaker supports Bluetooth 5.0, 3.5mm audio line, and TF card for playing music or audio files.

Q:Can the product be customized?

Yes, OEM and ODM services are available. We offer flexible customization for models and packaging according to your requirements.

Q:What are the recommended installation modes?

Two modes are available: Sound Shower (mounted on ceiling facing floor for spot-specific audio) and Virtual Speaker (pointing at an object to reflect sound to the user).

Q:What are the main application scenarios?

Ideal for museums, retail advertising, trade shows, digital signage, public spaces, and gaming to provide targeted audio without disturbing surrounding areas.