Radial Vienna Chorus Bones X / ToneBone series chorus. Product introduction from HP: Sound comparable to the Tone Bone series Achieves a natural bypass sound like true bypass despite buffered input EIS (Electronic Impulse Switching: Radial's unique electronic switch) for higher reliability than mechanical switches Compact body Durable 14-gauge steel chassis This is a warm and rich analog chorus using BBD elements. It delivers a deep, vintage pedal-like chorus sound without the noise. It has a 2-channel design, allowing you to switch between two types of effects on stage. Turning on the unique TURBO switch further intensifies the effect. Technical Specifications: Size: 89 W × 109 D × 50 H (mm) Weight: 600g Power: 9-12V DC 100mA adapter (2.1mm, barrel type, center negative) *Note: Adapter is not included, please prepare separately. Cannot be used with batteries. ▶︎Regarding transactions: I have had several instances where there was no receipt evaluation after purchase, or where there was no communication after purchase, causing anxiety. Please follow the manners and rules of Mercari. Also, buyers with 1-5 ratings are requested to comment before purchasing.