Comparison JBL Go Essential 2 vs JBL Go Essential

The ratio of the level of the useful signal (the actual sound being reproduced) to the level of extraneous noise provided by the speaker amplifier in normal mode.

Any amplifier inevitably creates its own noise; You cannot get rid of them, but you can reduce their level. The higher the signal-to-noise ratio, the cleaner the sound will be, the less noticeable extraneous interference will be. However, it is worth keeping in mind that the signal-to-noise ratio is far from the only parameter that affects sound quality, and its high value does not guarantee pleasant sound from the speakers.

— microUSB. One of the miniature versions of the USB connector, still popular in portable gadgets despite the emergence of the more advanced USB-C. It has relatively modest capabilities (in particular, it is inferior to USB-C in terms of maximum possible charging power), however, this rarely proves critical. Meanwhile, there is a vast array of microUSB cables and chargers available.

— USB-C. A relatively new type of USB connector, rapidly gaining momentum. Like microUSB, it has miniature dimensions, but it features a more convenient reversible design and enhanced capabilities, particularly the ability to transfer higher power, which positively affects charging time.

The presence in the design of the acoustics of a protected housing that prevents dust and moisture from entering the sensitive electronic filling. The specific degree of such protection in different models may be different — some speakers are able to endure even complete immersion under water ( waterproof), others are designed only for exposure to moderate rain. Therefore, the specifics of the protected case should be clarified separately according to the manufacturer's official data. However, anyway, such speakers will be more resistant to bad weather and better suited for outdoor use than those that do not have dust and water protection; therefore, if you are choosing acoustics for outdoor trips, it makes sense to pay attention to models with this function.

Some models with this feature are officially IP certified. The IP index includes two digits — for example, IP54. The first digit indicates the degree of protection against dust, the second — from moisture; the higher the number, the higher the corresponding degree of protection, detailed data can be found in special sources.