E. Rousseau JDX 7X Series Bb Tenor Saxophone Mouthpiece Grundorf 1 x Low Frequency Trim

1 x Low Frequency Trim Knob

You need to find this information in the pedal users manual or on the pedal in terms of a sticker

High energy styles that work across a wide musical spectrum

Sound check mode allows you to check the audio and RF signal at any time during setup

E. Rousseau JDX 7X Series Bb Tenor Saxophone Mouthpiece Grundorf 1 x Low Frequency TrimEach year, more saxophonists throughout the world are discovering the advantages provided by E. Rousseau mouthpieces. The reason is simple: E. Rousseau mouthpieces work. They work because Eugene Rousseau, active throughout the world as a soloist, has transformed the demands of today's performer into precision performance tools. When you purchase an E. Rousseau mouthpiece, you are making an artistic investment. You know that your investment is sound