PositiveGrid Spark February 2022 I am selling this amplifier because I purchased it as a spare guitar and bass amp, but I haven't had a chance to use it. ■ Guitar/Bass Amplifier/Combo Type ■ Output/Speakers: 40W Class D Amplifier / 4" Custom Designed Speakers x2 ■ Total Impedance: 4Ω ■ Stereo ■ Bluetooth Audio ■ USB Interface for Recording: 1 In x 2 Out ■ Headphone Out (Stereo Mini) ■ Power: AC Adapter ■ Size: 350x180x190mm ■ Weight: 5.2kg ~Features~ ■ Tone Cloud A huge and growing tone library Includes over 10,000 killer presets for guitar/bass created by renowned guitarists, professional session players, studio engineers, and top producers from around the world. ■ Smart Jam A smart amp that jams with you Spark learns your playing style and provides authentic bass and drum backing. Enjoy jamming with a smart virtual band as you like. ■ Automatic Chord Analysis Automatically displays the chords of millions of songs on YouTube. ■ Full-Range Bluetooth Speaker Deep and powerful, a speaker design that will immerse you in your playing The Spark amp is equipped with two custom-designed speakers and a tuned bass reflex port. Enjoy high-resolution audio via Bluetooth connection. ■ Home Recording Spark also functions as a USB audio interface. Connect Spark to your computer for easy recording. ■ Compatible with electric guitars, basses, and acoustic guitars ■ Built-in Amps and Effects: 40 Effects (Noise Gate, Compressor, Distortion, Modulation, Delay, Reverb)