Sound Wave - Speaker Clean is an iPhone app that aims to enhance the volume of your speakers. With this app, you can play sounds that help to amplify the sound output of your device. Additionally, Sound Wave - Speaker Clean offers a unique feature - it can generate audio frequencies ranging from 0 to 20,000 Hz. This wide range of frequencies allows you to test and optimize your speakers for different audio scenarios.

One interesting aspect of Sound Wave - Speaker Clean is its ability to scare away dogs and mosquitoes. By playing specific frequencies, the app claims to deter these animals. This feature can be useful for outdoor activities or when dealing with unwanted pests.

It is worth noting that Sound Wave - Speaker Clean offers a free download, but it also provides a subscription option. The subscription, priced at $4.99 per month or $19.99 for six months, offers unlimited access to the app and other premium features. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period.

Overall, Sound Wave - Speaker Clean provides a convenient way to enhance speaker volume and offers additional features for those seeking to optimize their audio experience.