Affiliate disclosure: the "Get this deal" button is an affiliate link to the store. If you buy through it we earn a commission at no extra cost to you. Full policy
The eMo Generator Black Friday deal from Waves puts this test tone and noise generator at $24.99, which is 35% off, until Nov 26, 2026.
eMo Generator is a utility plugin that produces sine waves and pink noise inside your DAW. The maker's pitch is simple: a test tone generator isn't glamorous, but it's useful.
It comes as VST, AU and AAX on Mac and as VST and AAX on Windows.
Pair it with a spectrum analyzer, such as the ones in the F6, GEQ and H-EQ, and pink noise shows you filter curves. It also exposes the differences between EQ designs and reveals distortion components.
Sine waves do a similar job for distortion. Run one through your chain and the analyzer shows which harmonics the processing adds.
The maker also lists a few jobs beyond measurement: finding room resonances, ringing out PA systems and checking your hearing.
The generator doubles as a sound source. The maker suggests several applications, among them judging filter curves on a spectrum analyzer, shaping kick drums by sidechain-gating a sine wave, thickening live snares with gated pink noise, studying distortion products through sine tones, and verifying mono and stereo phase behavior. To imitate hearing a mix on a car stereo, blend pink noise quietly beneath the track. The noise stands in for road rumble, so you hear how the mix holds up against a constant background.
Gated noise works the other way around. Triggered from a snare or kick, it adds body and tail to a drum you've already recorded.
On Mac, eMo Generator supports macOS Monterey 12, Ventura 13, Sonoma 14 and Sequoia 15. Plugin formats are VST, AU and AAX.
On PC, it needs Windows 10 or later, in VST and AAX formats.
eMo Generator is also included with the Waves eMotion LV1 live mixer.
Yes. The Waves eMo Generator Black Friday deal takes 35% off and brings the plugin to $24.99. The deal ends Nov 26, 2026.
It's a test tone generator for sine waves and pink noise. With a spectrum analyzer, pink noise reveals filter curves, EQ design differences and distortion components. It also finds room resonances, rings out PA systems and checks your hearing.
On Mac it runs as VST, AU and AAX, on macOS Monterey 12, Ventura 13, Sonoma 14 or Sequoia 15. On Windows 10 or later it comes as VST and AAX.
Yes. Gate a sine wave with a sidechained kick to build "hum drum" kick sounds, or supplement acoustic snares with gated pink noise. Both are uses the maker lists for the plugin.
Prices and end dates are checked at publishing time and can change, so confirm them at the store before you buy.