YAMAHA SILENT BRASS SB7J Silent Brass for Trumpet

Purchased in 2025. Used approximately twice before I quit playing the instrument and stored it. Since it was only used twice, there are no dirt or scratches, and it is in very clean condition.
Brand: Yamaha
Model Name: Silent Brass
Accessories: Instruction manual, cable, earphones
Compatible equipment: For trumpet
Color: Black
List price: ¥28,600

~Product Description~
This set combines the Personal Studio™ STJ, equipped with the lightweight and compact pickup mute (TM) and Brass Resonance Modeling™ for a comfortable sound, with the pickup mute itself.
Brass Resonance Modeling™ Ver.2.0
By switching sound modes, you can now choose between the sound that the player feels natural (PLY: Player) or the sound that the listener feels natural (AUD: Audience). The AUD mode allows you to easily switch to a sound that is as if you are listening in front of the actual instrument, making it an ideal feature for recording performances and online lessons.
*An adapter is required to connect to a smart device.
Rec'n'Share App
The Personal Studio™ STJ can be connected to Yamaha's free Rec'n'Share app.
Personal Studio™ STJ Specifications
- Dimensions (WxDxH): 70.2x30x121.3mm
- Weight: 112g (excluding batteries)
- Connection terminals: MUTE IN, AUX IN, PHONES (earphones with microphone), USB (micro USB type-B)
- Controls: Volume (Main/Mic), Reverb Type, Reverb Depth, Sound Mode (Player/Audience), Power (On/Off)
- Power source: 2 AA batteries (alkaline or nickel-metal hydride batteries: sold separately)
- Accessories: Cable, stereo earphones with microphone, USB cable (micro USB type-B to USB type-A), instruction manual
Pickup Mute Specifications
- Dimensions (Diameter x Length): 82x139mm
- Weight: 70g
- Built-in microphone: Electret condenser microphone
- Pickup terminal: Mini phone jack
- Muting level: -25dB to -35dB