BOSS KATANA-AIR, Guitar Combo Amplifier, 30W (adapter), 20W (battery), Wireless.

THe world's first totally wireless guitar amplifier. The Katana-Air gives you the freedom to jam and practice without hassling with guitar cables. And with support for battery operation, there's no need to plug into AC either, so you can literally play anywhere.

• Totally wireless guitar amplifier with rock-solid sound with ultra-low latency
• Compact wireless transmitter plugs into various kinds of electric guitars and charges while docked in the amp
• Transmitter provides 12 hours of playing time on a single charge, and automatically enters standby mode to conserve the charge when no activity is detected
• Always ready to play, with motion sensing technology in the transmitter that instantly wakes the amp from power-saving standby mode
• Premium tones derived from the Katana stage amplifier series, with five unique amp characters and access to over 50 world-class BOSS effects
• 6 onboard memories for storing favorite amp and effects setups
• Powerful stereo speaker system with full-range sound and up to 30 watts of power
• Edit and organize tones wirelessly with the BOSS Tone Studio app for iOS and Android mobile devices
• Play along with music streamed wirelessly from a mobile device via Bluetooth
• Amplifier powered by eight AA-size batteries or included AC adapter
• Aux in for connecting wired devices, plus headphones/recording out for silent practice and music production