How to choose outdoor speakers!Sound bar Vendor

　　How to choose outdoor speakers? There are more and more outdoor speakers on the market, good and bad, it is not easy to choose a high-quality and affordable speaker, so what aspects should be paid attention to when choosing a cost-effective outdoor Bluetooth speaker? Mainly choose from the sound quality, endurance, man-machine operation, appearance, material, portability, price, and three defenses.

　　1. Sound quality (sound effect)

　　The most important thing for any type of speaker is sound quality. Thousands of outdoor speakers on the market are roughly classified into these three types: monocular, "square", and "kettle".

　　Cheap monocular speakers are often preferred by buyers with zero experience in outdoor speakers. Although some of the sound quality is decent, in fact, for the speakers they have used, the single-tube sound effect of a single speaker is far inferior to the "square" or "square" or "double speaker". Kettle" sound effect. According to the existing domestic audio technology, no matter how good the quality of the single-tube speaker is and how advanced the technology is, the comparison with the double-speaker speaker will immediately return to its original shape. Usually in a very noisy outdoor environment, the sound effect needs to be strong and powerful. In such an environment, the single-speaker speaker is more than enough. If an ultra-cheap speaker is just better than the phone in your hand, then you might as well just buy an amplifier. Since you need good quality outdoor speakers, it is recommended to buy outdoor speakers with dual speakers.

　　In addition to the speaker unit, the sound quality identification requires listening to the equalization of each frequency band. You can try to listen to some music with a wide frequency response, such as music from a large movie. Then compare each frequency band, the high frequency band should be clear and transparent, soft without breaking the sound and not blunt. The mid-range should be warm and moist, and the expression of the human voice should be true and delicate. The low frequency band should have a sense of strength without being loose. This kind of sound quality is no problem for playing any type of music. Of course, try to avoid the interference of wall reflections when listening to music. If not, I am afraid it will be unsatisfactory in the outdoor environment. If it performs well in a noisy environment, it will be fine indoors.

　　Finally, take a look at the higher the signal-to-noise ratio (ie dB) dB value, the stronger the anti-interference ability of the speaker, the higher the sound quality, and the better the fidelity effect. Therefore, the larger the signal-to-noise ratio, the better. Generally speaking, the signal-to-noise ratio of outdoor speakers should not be lower than 68dB.

　　2. Endurance

　　An outdoor speaker needs to be charged if you listen to music for a while, which is not only very disappointing, but also brings a lot of inconvenience (the mobile power will also be exhausted). A good outdoor speaker needs to have a good endurance. We don't intentionally turn off or turn on it outdoors, and we don't take the initiative to realize how long the battery can last. When we turn off the music when we really want to be quiet, that's the accomplishment of merit. If the interest is high and the music stops abruptly, it will be very boring, so long battery life is needed to keep the music playing uninterrupted.

　　The battery is a decisive factor that directly affects the endurance. It is recommended to choose speakers with large batteries and large capacity when purchasing. Generally, cheap single-speaker outdoor speakers on the market can only store a small battery due to their size, so the standby time is very short, even more than 8 hours are very few. Such short-term playback can't meet the requirements of outdoor travel at all, so it is recommended to choose dual-speaker speakers with long-lasting battery life.

　　3. Portability

　　When it comes to portability, people think of small size and light weight for a while. Not to mention the battery life and sound quality defects of the small-sized speakers, the look and feel will also appear cheap due to the lack of volume. In fact, portability is not as small as possible, but depends on the applicability of the speakers. In outdoor activities, we will carry some essential items, such as mountaineering bags for climbing, bicycles for riding, or nothing at all. At this time, the portable applicability of the speaker is needed: it can be hung on the body, can be placed on a bicycle, such as on a bottle cage like a kettle, on both sides of the bag, or can be hung on the bag. In many cases, square outdoor speakers are not suitable. For example, it is inconvenient to ride and install, or it can’t fit well on both sides of the bag when climbing. A kettle-shaped speaker is more suitable in such an environment.

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