Product Description Model: NUX Guitar Amplifier Type: Amplifier: Features: Mighty Air Amp1 Amplifier with 2 Modes and 7 Channels: NUX Mighty Air Wireless Stereo Amplifier supports Guitar Mode and Bass Mode. Guitar mode has 4 channels (Clean-Overdrive-Distortion-Acoustic Guitar Simulator), Bass mode has 3 channels (Pop-Funk). 13 Amps + 20 IR + 19 Effects + 11 Drum Styles: built-in drum machine, noise gate, guitar and bass amp models, IR cabinet models, dynamics, modulation and ambience effects, acoustic guitar simulator with support for up to 13 amps, 20 IRs, 19 effects and 11 drum styles. Stereo wide soundstage and tight low-end response: Mighty Air features a unique speaker system with dual 2-inch custom speakers and passive bass radiators that work perfectly with electric guitars and basses. FAST PLAY WIRELESS VERSATILITY: Mighty Air comes with a NUX 2.4G wireless transmitter and sets a new standard for practice amplifiers with complete wireless versatility. The included transmitter and onboard receiver wireless system works well with any guitar/bass, active or passive pickups. MightyAmp Mobile App: The Mighty Air's BT connection does more than just audio playback. You can also control the amp using the Mighty AMP mobile app. The Mighty AMP app offers a huge collection of preamp models and guitar cabinet IRs and effects. Up to 18 hours of playback time: Built-in high-performance rechargeable battery amplifier provides up to 18 hours of continuous playback time on a single charge. Specifications: NUX Model: Mighty Air Color: Black USB Power Supply: Type-C 5V/2A Charging Time: 3 hours Play Time: Up to 18 hours Input Impedance: 1M Power: 10W Speaker: 10W *2, 2 inches, 4 frequencies Response range: 20Hz-22kHz BT version: 4.2BT Distance: 10m Input jack: 1/4 inch mono (can also be used as a charger to charge wireless transmitters) AUX input jack: 3.5mm Headphone jack: 3.5 mmAUX impedance: 22k Transmitter operating frequency: 2.4G Transmitter delay: