Selling to declutter. This is a compact and easy-to-use multi-effects unit for bass, featuring 24 effects and an auto-tuner. [Product Information] Model Name: ZOOM 506 BASS Number of Effects: 24 Number of Programs: 24 Tuner Function: Auto-chromatic tuner Amp simulator included [Condition] Operation confirmed with an adapter power supply, works without any problems. Minor scratches on the exterior (see images). Please consider purchasing if you understand that this is a used item.