- Boss Katana Air EX, modelling combo amplifier for electric guitar, wireless guitar amplifier, Stereo sound with 2 x 5 speakers, five preamp types derived from the Katana amplifier series, Three independent effects sections with three selectable variations in each, Access to over 50 effects, wireless technology with ultra-low latency, Six onboard memories, Updated BOSS Tone Studio app for Katana Air (iOS/Android) with visual amp/effect structure and YouTube playback feature, USB recording out, Stereo Line Out with mic d emulation for PA mixer and recording, Runs on eight AA batteries, optional BTY-NIMH/A rechargeable battery (not included), or included AC adaptor, channels: 6, power: 35 watts, equipped with: 2 x 5" (12,7 cm) speakers, 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, connections: Input (1/4" jack) - Phones/Rec Out (Stereo 3,5 mm Jack) - Aux In (Stereo 3,5 mm Jack) - USB connector - PSU Input, dimensions (W x D x H): 492 x 264 x 326 mm, (19,37" x 10,39" x 12,83"), weight: 7,6 kg (16,7 lbs), included: wireless transmitter - PSU