【 Price Reduced! 】 Euphonium Warm-up Device This item is new and unused, but has been stored at home for a while, so I've categorized it as "Like New." Please refrain from purchasing if you are looking for a completely brand-new item. ※ Quoted from the official website: By attaching the "Warm-up" device to the bell of your instrument and playing as usual, the sound that leaks out is reduced to the level of a quiet conversation (-25 to -35dB). Thanks to its high sound-dampening performance, you can comfortably (*) blow into your instrument backstage, maintaining optimal lip condition. It is also very popular as a practice mute due to its high sound-dampening performance. (* The sound is not completely eliminated. Please be mindful of your surroundings and avoid disturbing others.)