The Katana-Air from BOSS helps you capture the moment when inspiration hits you at anytime, and anywhere. Now you have the creative freedom you've craved for with the first totally wireless guitar amplifier system. Compact, battery powered and equipped with the same sound-shaping features found in the Katana Version 2 amplifiers, the Katana-Air delivers premium tones for all styles of music. With the innovative Katana-Air and your favorite axe, casual playing has never been more convenient and inspiring.This wireless guitar amp features new low-latency wireless guitar technology developed by BOSS and a custom wireless transmitter that plugs into any electric guitar. This gives players the freedom to jam and practice anywhere without fussing with guitar cables or AC connections. It’s also possible to play along with audio streamed via Bluetooth® from an iOS or Android smartphone, and remotely edit tones and effects from the dedicated BOSS Tone Studio app.Five unique amp channels provide a wide range of sounds, from sparkling clean to BOSS’s custom high-gain Brown sound. There’s also integrated access to over 50 BOSS effects, plus six memories for storing favorite amp and effects setups.The Katana-Air is a true stereo amplifier with two custom-tuned speakers and up to 30 watts of total power, offering big, rich sound for both guitar amplification and full-range music reproduction. A convenient docking port in the amp charges the battery in the included wireless transmitter, providing up to eight hours of continuous playing time per charge. The Katana-Air is always ready to play. It operates in standby mode to conserve energy when idle, and instantly wakes when it senses motion. In addition, the transmitter automatically establishes the optimum wireless connection when docked, with no user operation required.BOSS Katana-Air Includes:Wireless Guitar AmplifierOwner’s manualLeaflet USING THE UNIT SAFELYTransmitterAC adaptorPower cordBOSS Katana-Air Features:Totally wireless guitar amplifier with newly developed BOSS technology delivers rock-solid sound with ultra-low latencyCustom wireless transmitter plugs into any electric guitar and charges while docked in the ampTransmitter provides 12 hours of playing time on a single charge, and automatically enters standby mode to conserve the charge when no activity is detectedAlways ready to play, with motion sensing technology in the transmitter that instantly wakes the amp from power-saving standby modePremium tones derived from the Katana stage amplifier series, with five unique amp characters and access to over 50 world-class BOSS effectsSix onboard memories for storing favorite amp and effects setupsPowerful 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 devicesPlay along with music streamed wirelessly from a mobile device via Bluetooth®Amplifier powered by eight AA-size batteries or included AC adapterAux in for connecting wired devices, plus headphones/recording out for silent practice and music productionNOTE: *The Katana-Air produces 30 watts of power when connected to AC, and 20 watts of power when running on batteries.BOSS Katana-Air Specifications:Rated Power Output:30 W (15 W+15 W) (when using the AC adaptor)20 W (10 W+10 W) (when using the Alkaline batteries)Nominal Input Level:INPUT: -10 dBu (1 M ohm)AUX IN: -10 dBuSpeakers: 3" (7.5 cm) x 2Controls:POWER buttonBluetooth buttonMASTER knobAMPLIFIER:AMP TYPE knobGAIN knobVOLUME knobEQUALIZER:BASS knobMIDDLE knobTREBLE knobMULTI EFFECT:BST/MOD knobBST/MOD buttonDELAY/FX knobDELAY/FX buttonTAP buttonREVERB knobREVERB buttonTONE SETTINGCH A buttonCH B buttonPANEL buttonIndicators:POWERBluetoothGuitar WirelessPANELCH ACH BBST/MODDELAY/FXREVERBTAPConnectors:Input jack: 1/4-inch phone typeAUX IN jack: Stereo miniature phone typePHONES/REC OUT jack: Stereo miniature phone typeTRANSMITTER IN jack: Stereo 1/4-inch phone typeUSB port: USB B typeDC IN jackPower Supply:AC adaptor (DC 13 V)Alkaline battery (AA, LR6) x 8Rechargeable Ni-MH battery (AA, HR6) x 8Current Draw: 680 mAExpected battery life under continuous use:Alkaline battery: Approximately 7 hoursRechargeable Ni-MH battery: Approximately 10 hoursNOTES: * When using batteries having a capacity of 2500 mAh. * These can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.WL-T Transmitter Specifications:Nominal Input Level:INPUT: -10 dBu (1 M ohm)Control: Power buttonIndicator: BATTERYConnectors:Input plug: Stereo 1/4-inch phone typeDC IN 5 V port: USB Micro-B typePower Supply:Rechargeable lithium-ion batterySupplied from the DC IN 5 V portCurrent Draw: 47 mAExpected battery life under continuous use: Approximately 12 hoursDimensions (WxDxH): 3-7/16" x 7/8" x 1-7/16" (87 x 22 x 36 mm)Weight: 2 oz (43 g)NOTES: 0 dBu = 0.775 VrmsNote:Some gear shown above are NOT .