Guangzhou Aiwo Audio Technology Co., LTD

Guangzhou Aiwo Audio Technology Co., LTD

Tips for Improving Stage Acoustic Pickup for Outdoor Performances

2025 05/25

18 inch subwoofer

Technical aspects of a professional audio system for cultural events held outdoors: dependable technology to guarantee flawless sound effects. In terms of professional power amplifier, outdoor cultural performances stress the dependability of audio technology to guarantee the seamless completion of the performance with zero accidents; indoor theater performances prioritize sound quality and artistic pursuits of pleasant, melodious, and beautiful tones. Higher standards are set for audio equipment and technology because of the complicated outside environment, particularly for integrated stereo amplifiers, multi channel amplifiers and stereo amplifiers.

Coordinated work for such professional power amplifier:​
 1. Speaker hoisting: maximize the path taken by sound waves Medium and high frequency sounds are significantly attenuated during outdoor performances if the speaker position is too low since the audience can easily absorb the sound waves. A medium/high frequency horn speaker or an outdoor special speaker (with a high-power treble horn) is necessary for this purpose, as is a lifting technique. With the help of this kind of speaker, sound waves can travel great distances through the atmosphere, guaranteeing that the audience's sound pressure level satisfies requirements. Sound distortion can be prevented by precisely adjusting the levels of various frequency bands using multi-channel amplifiers. 

2. Speaker cable protection: Reduce the risk of equipment failure

The speaker and the outside amplifier are far apart, and there is either a high short circuit or a broken cable. A dedicated individual must be set up to keep an eye on the cable's condition in order to guarantee the system's stability. wide power and high current cables with a wide cross-sectional area and short distance should be used to minimize power loss because the amplifier's output impedance is low (only a few ohms). To further minimize energy loss, the integrated stereo amplifier is placed near the speaker when circumstances allow. In order to guarantee steady signal transmission, check the cable connection on a frequent basis.​

3. Adequate power reserve: meet the acoustic needs of large spaces​ The acoustic formula states that for every 3dB rise in sound pressure level, the power must be raised ten times. As a result, high-power audio equipment needs to have enough power headroom. Multi channel amplifiers and stereo amplifiers with effective amplification capabilities cooperate to guarantee that loud, clear sound may be produced in sizable outdoor venues to satisfy the auditory needs of the audience.​

 

4. High sensitivity microphone: Enhanced sound pickup effect A high-sensitivity microphone is necessary to guarantee adequate volume in the audience area, particularly when the microphone is far from the mixer. In order to minimize the losses associated with long-distance signal transmission, wireless microphones are advised. It can successfully increase loudness and clarity of sound and prevent signal attenuation-induced sound blurring when used in conjunction with professional power amplifier.​

5. Accurate sound adjustment through real-ime communication and teamwork The audio engineer must use the intercom to interact with the audience assistant in real time during the performance and modify the stereo sound in response to real-time comments on sound quality.