Thank you for viewing this product. I am selling this because I made an impulse purchase online and haven't used it. I only opened the instruction manual and related documents to check them for the listing, and the product itself is completely untouched. 【Product Description】 The product description is listed below. For more detailed information, please search for "BOSS GX-100 specifications." ・High-quality sound with a sampling rate of 48kHz, 24-bit AD/DA conversion, and 32-bit float (floating-point) internal processing. ・Achieves the sound and feel of a tube amp with the latest AIRD technology. ・Equipped with 23 carefully selected AIRD preamps and over 150 high-quality BOSS effects. ・15 effect blocks that can be customized in terms of connection order and combination. ・Smooth operation with a color display and four knobs that support touch operation. ・Eight footswitches that can be freely assigned to any function. ・SEND/RETURN terminals compatible with 4-cable method connection for external effects and amps. ・External expansion of parameter control is possible with control pedals and expression pedals. ・Supports USB audio and MIDI. ・Sound editing/management with the dedicated BOSS TONE STUDIO app compatible with Windows/Mac, and you can download tones created by professional musicians from BOSS TONE CENTRAL. ・By connecting the optional Bluetooth® Audio MIDI Dual Adaptor (BT-DUAL), you can use the iOS/Android app. In the event of any defects, I, as the purchaser, will handle the warranty. (Warranty valid until August 31, 2026.) Thank you for reading the long description. Please consider this product.