The definitive desktop amplifier, Spark An all-purpose amp that will satisfy all players, from beginners to professionals. Spark is a smart amp and app that uses intelligent technology to practice alongside you. Using the award-winning BAIS tone engine, you can play and practice with over millions of songs and access over 10,000 guitar tones. Spark is a 40W combo amplifier with BASS, MID, and TREBLE tone controls, convenient MOD, DELAY, and REVERB effects, and a wide range of features and authentic sound, including easy-to-use presets, a built-in tuner, and tap tempo. Spark's true value is further enhanced when linked to apps.・Tone Library A huge tone library with over 10,000 tones that continues to grow. The Spark app gives you access to over 10,000 guitar and bass presets created by the world's renowned guitarists, professional session players, seasoned recording engineers, and hit-making producers. Smart Jam: An amp that jams with you. The Spark Amp & App learns your guitar playing and produces authentic bass and drum sounds. Your very own "smart band" goes with you wherever you go! Auto Chords: Automatically display chords for millions of songs. Choose the song you want to play, and the Spark app will display chords in real time. You can also slow down the tempo or loop difficult sections. USB audio interface function, line output. Turn Spark into your own compact recording studio. Simply connect it to your computer and record with any DAW software or platform. The Smart Out feature lets you choose between headphone and line outputs for flexible monitoring. It accepts all guitars, electric, acoustic and bass. Can such a small portable guitar amp really handle bass? Absolutely! With rich, full low frequencies and crystal-clear high frequencies, electric guitars resonate powerfully, acoustic guitars sing freely, and basses resonate beautifully. We guarantee you'll be amazed. Spec Audio Specifications Frequency range 20-20,000 Hz・Stereo/mono stereo ・Maximum sound pressure level 116 dB SPL @1m・Cabinet structure: Bass reflex type ・Power amplifier 40 Watt Class D Amplifier Speaker Two - 4 Custom Designed Speakers - Total impedance 4 ohms Power supply/mains input voltage 100-240V - Main frequency 50/60 Hz Controls and Inputs/Outputs Top Panel Controls: Amp Type: Gain, Bass, Middle, Treble, Modulation, Delay, Reverb Output Volume: Music Volume Programmable Preset Buttons: Four Tap/Tuner Buttons・Included effects 30 Amp Models 40 Effects (Noise Gate, Compressor, Distortion, Modulation, Delay, Reverb)・Wired input/output 1/4 Guitar Input 1/8 Aux Input 1/8 headphones・Wireless input/output Bluetooth Audio USB interface for USB audio recording 1 In x 2 Out - Contents of the contents list box Spark power adapter USB cable Japanese manual・Size etc. 350 x 180 x 190 mm (13.78 x 7.08 x 7.48 in) weight 5.2 kg 11.46 lb Cover: Black textured vinyl Grille: Custom black/brown fabric Handle: Detachable leather handle・Software mobile app Spark App for iOS and Android