SILENT BRASS YAMAHA SB7X

Pickup Mute (SB7X 2): Size: ( ) 82 (L) 139 mm / Weight: 70 g /
Built in microphone: electret condenser microphone /
Pickup terminal: Mini phone jack /
Muffling degree: 25 dB to 35 dB / Brass Resonance Modeling compatible
Personal Studio (STX 2): Size: (W) 70 (D) 20 (H) 98 mm / Weight: 71 g (without batteries) /
Connection terminal: MUTE IN / AUX IN / PHONES / Control: Reverb (Rev 1 / Rev 2) / Volume / Built in Brass Resonance Modeling (works only when connected Pickup Mute is connected) /
Power source: AA batteries 2 (alkaline or nickel hydride batteries) (Sold separately)
accessories: Dedicated connection cable / Stereo earphone / Japanese Instruction Manual