Intelligent wireless audio solution

01 design concept

A set of outdoor wireless intelligent audio solution equipment for stadium, playground and other large outdoor activities, the world's first long-distance wireless microphone with positioning function, with a transmission distance of 300 meters / 1000 meters, can easily achieve audio coverage of the whole area or separate zones with a dedicated positioning base station.

02 system framework

As shown in the figure, the whole system is divided into four areas, each area is equipped with a zone microphone and two high-power speakers (800-2000w), The area microphone has the function of automatic positioning. When the base station and positioning station are triggered successfully, the speaker in each area can be automatically amplified. The whole system is covered by the whole area microphone and mixer, and the whole area microphone has the priority of audio access. When the whole area microphone audio signal is input, the area microphone will automatically pause, and the whole system will automatically play the whole area Microphone input source.

The whole system is wireless. The speaker is powered by mobile power supply. It can work continuously for more than 4 hours in one charge.

03 system configuration

No. equipment name brand unit price (yuan)

1. Long distance wireless microphone

2. Professional wireless receiver in Shenzhen

3. High power speaker Shenzhen crown mark

4. Professional mixer Shenzhen crown

5. Digital wireless power amplifier Shenzhen crown

6. Shenzhen crown mark of mobile power supply

7. Positioning pile Shenzhen crown mark

04 functional parameters

(1) Long range wireless microphone

Product features:

Adopt 2.4G wireless digital transmission, signal lossless transmission and accurate frequency

No compression of the transmitted audio, and the restoration degree of the voice reaches the professional standard

One for one / one for two microphone design, handheld use

High Definition LCD display function

Safe, convenient and efficient, wireless connection of the whole equipment, no wiring trouble

(2) Professional wireless receiver

Product features:

Transmission distance up to 300m, high fidelity HDCD sound quality effect

Integrate the most advanced algorithm and background noise elimination technology

Dual channel design, support the use of two wireless microphones at the same time, automatic frequency matching, intelligent access

High Definition LCD display function

Safe, convenient and efficient, wireless connection of the whole equipment, no wiring trouble

(3) High power speaker

Product features:

Low frequency driver: 2265h differential driver

High frequency driver: 245h 4-inch (voice coil) compression driver

Power: 1000W

Frequency response: (± 3dB): 53hz-20khz

Volume: 1219 * 541 * 508mm

(4) Professional mixer

Product features:

Professional mixer with 7 output lines, 4 groups

100mm professional push, 6 sets of auxiliary output

-129dB ein equivalent noise

24 channels for microphone and line input

Beautiful appearance, reasonable layout and solid structure

(5) Digital wireless power amplifier

Product features:

Output power: 1000W

It has Bluetooth receiving function and supports audio input of Bluetooth device

LCD display various states of power amplifier, convenient for intuitive operation

Built in USB digital audio playing module and FM radio module

4-channel stereo linear output, 4 speakers can be connected externally

Play the MP3 files of the external USB disk directly

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