The J3 features a design that is a combination of a straight; cup and plunger mute all in one unit. Use the straight mute and add the cup for a cup mute, or use the cup assembly only for a plunger.
Triple PlayTrombone Mute Specifications:
- Doesn't fit: Cup mute will not fit Yamaha YSL354
Fits: Works for most trombones up to an 8" bell