Yamaha SB-2X SILENT Brass System for Euphonium

Pickup Mute™ Model PM1X Dimensions (Diameter x Length) 335 x 695mm (13-3/16" x 27-3/8") Weight 1800g (3 lbs. 15 oz.) Internal Microphone Electric condenser microphone Pickup Output Jack Mini phone jack Nominal Level -25dB～-35dB Brass Resonance Modeling™ Yes Personal Studio™ Model STX-2 Dimensions (W x D x H) 70 x 20 x 98mm Weight 71g (2.5 oz) without batteries Jacks and Terminals MUTE IN, AUX IN, PHONES Control VOL. (volume), Reverb type, Power ON/OFF Brass Resonance Modeling™ Yes (It behaves correctly only when compatible Pickup Mute™ is connected to Personal Studio™.) Power Supply AA alkaline or nickel-metal hydride batteries x 2 (3V DC) Accessories Included Accessories Cable, Stereo Earphones, Owner’s Manual, belt Please Note In some cases, the Pickup Mute™ may not fit instruments that have significantly different bell diameters and/or shapes. Please check before purchasing. The Pickup Mute™ is not compatible with Marching Mellophones, Marching French Horns, Alto (Tenor) Horns, or Baritones. The SILENT Brass™ mute for Trombone (SB5X) and the Pickup Mute™ (PM5X) are not compatible with Alto Trombones or Bass Trombones. The SILENT Brass™ mute for Euphonum(SB2X) and the Pickup Mute™ (PM2X) cannot be used with alto horn (tenor horn) or baritone. The SILENT Brass™ mutes for Flugelhorn (SB6X) and the Pickup Mute (PM6X) protrudes 3-4 cm from the bell. For information on compatibility with Yamaha brass instruments and cases please refer to the "Compatibility Table". Always remove the Pickup Mute™ from the instrument if the instrument is to be stored for an extended period of time. Do not connect the PHONE jack to a microphone input jack (or combined mic/line input) on a computer, etc., that also supplies power to the connected device (plug-in power). Please note that Brass Resonance Modeling™ is only available when the STX-2 Personal Studio™ is combined with a PM1X/2X/3X/5X/6X/7X Pickup Mute™. It is not available with any other Personal Studio™ or Pickup Mute™ models.