Thank you for viewing. For sale is a used Positive Grid Spark 40. The Spark 40 is a smart guitar amplifier from Positive Grid. It offers high-quality modeling sounds with 40W output and has over 50 built-in amps and effects. It also works with an app for automatic chord analysis and practice features, making it suitable for home practice, recording, and even streaming. You can operate and save famous equipment-modeled amps and effects using the dedicated app. The sounds you create can be shared worldwide within the app. Bluetooth connection allows you to practice while playing along with YouTube or music playback apps. It also features a function that creates backing tracks with bass and drums automatically when you input a 4-bar chord progression, which is useful for practicing sessions. It is also compatible with electric bass and acoustic-electric guitars. It can also be used as an audio interface for DTM (Desktop Music Production), and the sound quality is excellent, making it the definitive practice amp. *There are scratches and stains as it has been used for a long time. Please check the images. *No returns or exchanges to prevent any trouble. *Negotiations for price reduction will not be answered. *Includes battery and carrying strap. *No box, instruction manual, USB cable, or warranty card. Amplifier Guitar Amplifier