How does the directional sound work?

It uses ultrasonic technology to create a narrow beam. It can be mounted on the ceiling for a 'sound-shower' effect or pointed at objects for a 'virtual speaker' effect.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

Directional Audio Ceiling Mounted Ultrasonic Sound Speaker for Museums and Exhibitions

Name: Directional Audio Ceiling Mounted Ultrasonic Sound Speaker for Museums and Exhibitions
Brand: Shenzhen Golden Lisen Electronic Tech. Co., Ltd.
SKU: 2244246985

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

US$350.00

1-9 Pieces

US$330.00

10-99 Pieces

US$320.00

100+ Pieces

Sample price:US$350.00/piece.Request sample

Product profile

Customization

Available

Impedance

8 ohms

Operating Voltage

24V

Model NO.

G-18

Power

30W

Sound Pressure Level

80 dB

Usage

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

Model No.

G18

Product Size

200*30mm

Angle Range

About 15 Degrees

Max Power

30W

Spl

85dB@1kHz/1m

Thd Total Harmonic Distortion

0.5%

Audio Input

3.5mm, Bluetooth, TF Card

Power Input

DC 5V 3A

Transmision Distance

>20m

Frequency Range

400Hz-10kHz

Material

Aluminium Alloy

Harmonic-Distortion

0.50%

Radiation Mode

Direct Radiation Type

Certification

Style

Wall Hanging

Transport Package

Gift Box

Specification

6pcs/carton

Trademark

Lisenecho

Origin

China

HS Code

8518290000

Production Capacity

15000PCS/Year

Key features

Ultrasonic Directional Sound: Delivers focused audio projection with ultra-narrow beam angle to avoid interference.

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

Flexible Mounting Modes: Supports ceiling 'sound-shower' and wall 'virtual speaker' modes for precise sound placement.

Remote & Sensor Control: Includes remote control and infrared sensor for convenient volume and mode adjustment.

Low Distortion Audio: Pre-processing algorithm reduces distortion for clear voice and music reproduction.

CE Certified Quality: Product meets CE certification standards for safety and performance reliability.

OEM/ODM Customization: Flexible customization options available for models, packaging, and specific requirements.

Easy Installation: Sleek design blends into environments with hassle-free ceiling or wall mounting setup.

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: ≤3.86h

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 do I place an order?

Contact us with the model, quantity, and requirements. After confirming the invoice and receiving payment, we will arrange shipment and provide tracking.

Q:What payment methods are accepted?

We accept Western Union, PayPal, T/T, LC, D/P, and small-amount payments.

Q:What is the delivery time?

Goods typically arrive within 5-7 days after shipping via UPS, FedEx, or TNT. Lead time is within 15 workdays.

Q:Can the product be customized?

Yes, customized packaging and product requirements are available upon request.

Q:What are the audio input options?

The speaker supports Bluetooth 5.0, 3.5mm audio input, and TF card playback.