Best Brass e-Brass III Mute French Horn

Best Brass e-Brass III Mute French Horn, Practice Mute for French Horn, Electronic mute, Infinitely adjustable volume and reverb function, 3.5 mm AUX input jack for external CD or MP3 player, 3.5 mm jack headphone output, 3.5 mm jack line-out socket, Weight: Only approximately 130 g, Suitable for French horn, Audible volume only approximately 30 dB, Very free playing feeling, Very good intonation, The latest generation of electronic practice mutes, from the inventor of Silent Brass, Shinji Hamanaga ...