Boss Katana Air, Modelling Combo for Electric Guitar, Completely wireless guitar amplifier - with radio transmitter for guitar, 5 Unique ampsounds from the Katana Stage series, With 50 BOSS effects, For jamming - stream music via Bluetooth from mobile devices and computers, 6 Onboard memory slots for storing your favourite amplifier and effects setups, Operates on 8 AA batteries or power adapter (included), Channels: 6, Power: 30/20 W (power adapter/batteries), Equipped with: 2 x 3"" (7.5 cm) custom speakers, Cabinet construction: Bass reflex, Controls: Amp Type - Gain - Volume - Bass - Middle - Treble - Dst/Mod - Delay/FX - Reverb - Master, Switches: Dst/Mod - Delay/FX - Reverb - Tap - Bluetooth - On/Off - Ch, A - CH B - panel, Connectors: Input (6.3 mm jack) - Phones/Rec Out (stereo mini jack) - AUX In (stereo mini jack) - USB connection - power supply connection, Dimensions (W x D x H): 340 x 144 x 181 mm, Weight: 2.2 kg, Radio transmitter and power adapter included, Suitable replacement transmitter: Article no. #486908# (not included)