Best Brass Alto Saxophone Mute e-Sax Made in Japan

This product is the e-Sax (UM-4 AAA) alto saxophone mute from BEST BRASS.
It was purchased about 3 years ago and used for a short period. There are some minor scratches, scuffs, and fading, but no major scratches or dents, and the exterior is in relatively clean condition.
The interior is particularly clean, with no stains, dirt, or odors.
《Accessories》
・Instruction manual
・Shoulder strap
・Earphones (commercially available)

*After purchase, the item will be thoroughly disinfected and cleaned, then packed with bubble wrap and cardboard, and shipped promptly.

【Product Overview】
This is the world's first full-fledged mute for saxophones. Simply place your saxophone inside the e-Sax, and the sound leakage can be reduced to the level of normal conversation (approximately -25dB).
It is ideal for practicing at home or late at night.
The sound inside is fed back through headphones, allowing you to enjoy playing with a natural feel. It is a reliable Japanese-made product.

【Size and Specifications】
•Compatible instrument: For alto saxophone (UM-4 AAA)
•External dimensions: Diameter approx. 25cm x Length approx. 70cm
•Weight: approx. 2.5kg
•Muting performance: -25dB (reduces sound to conversational level)
•Method: Acoustic muting system (allows you to play natural saxophone sounds internally)