[RichDecibels] wrote in to share a new device he built called the “Sinster Tone Generator ... reverb and filtering applied to enhance the sound. After listening, we agree that it sounds ...

However he found himself wanting a more refined hardware noise generator with analog controls to fine tune the output, and so the Rumbler was born. It’s a tight fit, but it does fit. The Rumbler ...

If you still find the options limited, you may want to try some third-party white noise iPhone apps or ambient noise generators that offer more customization.

Unlock to see our ratings and compare products side by side Measured at 23 and 50 feet from the generator. We recommend hearing protection for standing close by the unit while it's running.