A, small audio subwoofer which brands
1, 1964 Dr. This brand was created in the United States, the world's earlier one of the speaker manufacturing enterprises, the global audio field technology leading enterprises, Dr. audio-visual systems (Shanghai) Co.
2, Harman was founded in 1946, audio and infotainment products, global producers, the world's larger professional speaker manufacturers, Harman (China) Investment Co.
3, Huawei domestic famous home theater / audio brand, with an international reputation Hi-End high-level speaker manufacturers, electro-acoustic technology leader, Zhuhai Huawei Technology Co.
4, Yamaha was founded in 1887 in Japan, the world's leading audio-visual brand, one of the world's largest musical instrument manufacturers, Yamaha Musical Instrument Audio (China) Investment Co.
5, founded in 1891 in the Netherlands Philips, focusing on health care / quality of life and lighting in the field of large-scale electronics companies, Philips Electronics (China) Investment Co.
Second, what are the maintenance methods of audio
1, the normal operating temperature of the sound machine should be 18 ℃ ~ 45 ℃. Temperature is too low will reduce the sensitivity of some machines; too high is easy to burn components, or make components premature aging. Summer should pay special attention to cooling and maintain air circulation.
2, audio equipment should not be placed in direct sunlight, but also to avoid close to the heat source.
3, after we finish using the audio equipment, we have to place the function keys in place, if the function keys are not reset for a long time, its pull button spring is in a state of stress for a long period of time, it is easy to cause malfunction.
4, open the audio power supply, the amplifier volume potentiometer screwed to the minimum, which is the most effective means of protection of amplifiers and speakers. At this time the amplifier's power amplification is almost zero, at least in the misuse of the speaker is not harmful.
5, we turn on the CD player, and then open the preamplifier and postamplifier, turn on the amplifier volume potentiometer screwed to the minimum. Turn off the power first off the amplifier, so that the amplifier's amplification function is completely closed, then you turn off the front-end equipment, no matter how big the impact of the current will not be transplanted to the amplifier and speakers. Similarly, when you turn off the surface of the amplifier volume potentiometer screwed to the minimum, off or after the amplifier and then turn off the front can be with the CD player.
The above is a small introduction to the small audio subwoofer what brands and audio what maintenance methods, we now have entertainment venues for the elderly, you can take the small audio subwoofer to play songs, to relieve the fatigue of the mood, there are a variety of brands in the market, in the purchase of the small audio subwoofer you must buy a good brand and a high configuration, you if you want to know more about the home decorating information. If you still want to know more about the home decoration information, please continue to pay attention to us.