Classroom surround sound microphone speakers system conference wall mounted audio ABS indoor speaker

Classroom surround sound microphone speakers system conference wall mounted audio ABS indoor speaker

Classroom audio System Speaker Specifications

Host parameters:

1. Use 2.4G digital radio frequency technology to effectively avoid transmission interference, and use 1000 sets of non-channeling frequency at the same time to meet the needs of large-scale use in the same place.

2. External integrated compact 2.4G signal receiving box (no exposed antenna) to avoid electromagnetic interference inside the speaker and enhance signal stability and sensitivity.

3. With a broadcast priority interface, it automatically switches when there is a broadcast signal.

4. One stereo RCA input, one microphone (environmentally friendly microphone jack comes with DC+6V power supply) input; the speaker comes standard with wall-mounted installation accessories, which is simple and convenient to hoist.

Rated power: ≥50W; rated impedance: 4Ω; receiving frequency: 2400~2483.5MHz; receiving sensitivity: 82dB; working temperature: -20~75 degrees.

5. Driver: 5.5-inch long-stroke bass driver, one tweeter; Interface: 1-channel broadcast input (70V-110V input), 1-channel stereo RCA, 1-channel microphone interface; Sensitivity: 85dB/1W/1M; Signal-to-noise ratio: 75dB; Maximum sound pressure level: 78dB; Crossover: 1.8KHz.

6. Box type: phase reflex type; Box and exterior: wooden (black) box, steel mesh.

Microphone parameters:

7. Use 2.4G digital radio frequency technology to effectively avoid transmission interference. Use 1000 sets of non-channeling frequency at the same time to meet the needs of large-scale use in the same place.

8. Automatically enter the pairing state when turned on. After successful pairing, there will be a prompt sound and automatically switch to the receiving state.

9. The intuitive LED LCD screen displays various technical parameters, digital volume adjustment, signal strength, and battery remaining information; it has a good windproof effect and clear sound quality.

10. The microphone has a laser pointer function and has up and down page turning buttons (the optional page turning module can realize wireless page turning, and can also black out the screen with one button when playing PPT files).

11. The microphone has a built-in microphone head, which can be used in both handheld and lavalier modes. It also has a 3.5mm external microphone interface, which can be used with a universal lavalier or head-mounted microphone or transmit other audio files. The microphone can be paired with any host. It will enter the energy-saving standby state within 60 seconds without signal or operation, and will automatically start when there is a signal or operation. There is no need to pair the frequency, the battery has low loss, and it can work continuously for more than 8 hours when fully charged.

12. The microphone uses a rechargeable lithium battery with a detachable interface, and is equipped with a travel (or USB charger) charger, which is more convenient to use. There is a prompt sound when the microphone is turned on, and the volume of the microphone can be adjusted.

Why Choose Qunmao Display?

Qunmao Display Technology Co., Ltd. was established in 2009 with a production base in Shenzhen, covering an area of 230000 square meters. The company focuses on high-tech technology enterprises specializing in the production, sales, software development, and service of LCD and central control equipment. It is a high-tech enterprise integrating intelligence, specialization, and Internet + of domestic and foreign video products, and the overall solution of domestic and foreign leading products. Solution OEM & ODM provider. Our product more than 85% export and has been receiving high reputation from customers over 50 countries and regions, such as: India, Morocco,Russia, Indonesia,USA, South Africa, Southeast Asia,pakistan, etc. 

Qunmao manufacturing factory Main prdocuts include :Interactive whiteboard,interactive flat panel,splicing screens, LCD video wall,smart advertising display, smart conference panel, educational tablets, smart blackboards, Digital signage,preschool education machines, smart terminals,queue machine,etc. A high-end technology enterprise with products, it is a master in the field of high-end displays.

Certifications & Exhibitions

Our Services and Advantages

1. Extensive sales and manufacturing experience

2. High-tech and efficient equipment

3. Customisation, OEM and ODM Services are acceptable

4. Strictly adheres to ISO9001 standards

5. Extensive after-sales service

6. Competitive factory price and superior quality

7. All materials meet the standards

8. Exceptional customer focus and knowledge

9. Owning a production factory with a complete supply chain

10. Quick email response within 12 hours.

Packaging And Shipping

FAQ

Q: can you provide OEM/ODM services?

A: Yes, it has received good support. We can customize it according to your requirements.

Q: do you have any stock?

A: We have 3000-5000 units in stock every month.

Q: is your company a real manufacturer?

A:Our company is a professional manufacturer in Shenzhen city. You are welcome to visit our factory at any time.

Q: how about the quality of the product?

A: our products have been strictly tested by QC before being delivered to customers. We sell our brand online in China's domestic market, so quality is our first priority!

Q: What is your delivery time??

A:Our factory has an inventory of raw materials and has 10 Automated production lines. Sample orders can be shipped out at any time, and bulk orders are delivered in about one to two week.

Q: What brand of screen are you using?

A: LG,BOE,AUO,TCL, Samsung, CHIMEIpanels would be used, depending on the projects. And we can guarantee that we use all original A+ screens from original brands.

Q: How does your factory do regarding quality control?

A: Quality is priority. Qunmao always attach great importance to quality controlling from the very beginning to the very end. We focus on every detail, our products accept CE,RoHS,FCC authentication,etc.

Q: What is your MOQ?

A: Any quantity is acceptable for your order. And the price is calculated according to Specs/Size/Quantity of each of your order, it is negotiable for large quantity.

Q: how can I trust the quality of your products?

A: We have been engaged in the business display industry for more than ten years, have independent product R & D institutions, have strong independent R & D ability of new products, and have passed a series of domestic and international quality management system certification, 3C certification, energy saving certificate, test report, national high-tech enterprise certificate, CNAs quality certification, CE certificate, FCC certificate, ROHS certificate, biso9001 certification, ISO environmental management The product implementation standard certificate is also the designated brand in the domestic government procurement list. The market share has doubled for several consecutive years. The company has a number of invention patents, utility model patents, design patents, intellectual property rights, copyrights, etc.

Q: what is your after-sales service?

A: If you have any questions, you will get our reply within 24 hours. And provide solutions immediately.

Can we help you?

7*24 hours online service.

Your inquiry related to our products or prices will be replied in 24 hours.

If you want to know more about our products or customize products, please Contact us or Send inquiry.