FAQ

FAQ

Why is my air pump making loud buzzing noises?

Even under the best conditions, the working noises will be audible in quiet rooms. Every air pump produces vibration and buzzing noises that are more or less clearly audible. The JBL PROSILENT diaphragm pumps have rubber feet to reduce the transmission of vibrations to the floor. The air pump can "wander" on smooth surfaces and should be secured with a soft, non-slip underlay. Hanging it on the wall results in a complete decoupling.

Please note that the volume can be very loud when the hoses are not connected, similar to a modified exhaust on a car. The "silencer" is missing. It is only when back pressure is present that it is substantially minimised. A flow reduction at one of the air volume regulators reduces the noise level considerably.

Therefore, never operate the JBL PROSILENT model(s) with two air connections with only one air connection in "idle mode", i.e. without a connected hose with an air outlet stone or similar! This would lead to premature diaphragm wear and increased noise level.

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PUSH messages from JBL

What are PUSH messages? As part of the W3C standard, web notifications define an API for end-user notifications that are sent to the user's desktop and/or mobile devices via the browser. Notifications appear on the end devices as they are familiar to the end user from apps installed on the device (e.g. emails). Notifications appear on the end user’s device, just like an app (e.g. for emails) installed on the device.

These notifications enable a website operator to contact its users whenever they have a browser open - it doesn’t matter whether the user is currently visiting the website or not.

To be able to send web push notifications, all you need is a website with a web push code installed. This allows brands without apps to take advantage of many of the benefits of push notifications (personalised real-time communications at just the right moment).

Web notifications are part of the W3C standard and define an API for end user notifications. A notification makes it possible to inform the user about an event, such as a new blog post, outside the context of a website.

JBL GmbH & Co. KG provides this service free of charge, and it is easy to activate or deactivate.