D'Addario Select Jazz Marble Alto Saxophone Mouthpiece, D8M-MB Bass Strings The two speed controls are

The two speed controls are foot-switchable allowing for quick switching between your favourite dialled in settings or defeating the tremolo entirely

while the on/off inputs allow other modules to start and stop the sequence

the Bass Butler is a whole van-load of gear in a box

such as keyboards

D'Addario Select Jazz Marble Alto Saxophone Mouthpiece, D8M-MB Bass Strings The two speed controls areThe D'Addario Select Jazz Marble mouthpiece captures the feel and tone of legendary artists from years past. Now, today's saxophonists have a chance to discover for themselves the sound that, for decades, set the standard of jazz. The D'Addario Select Jazz Mouthpiece brings forth a perfect union of tradition and innovation. Tip Opening . 088" 2. 24mm Facing Length: Medium Chamber: Medium All DAddario Woodwinds rubber mouthpieces are designed and