Roger Mayer HFX, From Genesis, Out Of The Farm Studio.

It's unclear what "it" refers to in this context, so it's difficult to say whether the speaker has tried the limiter/compressor in question. However, if the speaker is referring to a specific piece of audio equipment, trying it out would be a good way to determine whether it's effective for their needs. Limiter/compressors can be useful tools for controlling dynamic range and keeping audio levels consistent, so it's worth experimenting with different equipment to find what works best.