The Dr. Sound low frequency trap is very good.
Sound Doctor's low-frequency trap can very accurately filter out low-frequency noise and retain high-quality output of audio signals. This is unmatched by other low frequency control methods. Dr. Sound's low-frequency trap is a widely used low-frequency control method. Based on years of research and practice, it has been proven to be efficient and reliable.
Sound Doctor low-frequency traps can be used in various types of audio systems, from personal portable devices to recording studios.