Joyo Zombie II, Hybrid Amp Head for Electric Guitar, Bluetooth function can play music from external source in addition to guitar signal, Sound characteristic: defined high-gain amplifier, 2 Channels, Power: 20 watts, Class-D power amplifier, Preamp tubes: 12AX7, Controls: 2x gain, 2x tone, 2x volume, Switch: Clean/OD, Bluetooth, Loudspeaker outputs (min. 8 Ohm): 6.3 mm jack, Input: 6.3 mm jack, FX send & return: 2x 6.3 mm jack, Headphone output: 3.5 mm stereo jack, Foot switch connection: 6.3 mm jack, Dimensions (W x D x H): 163 x 140 x 110 mm, Weight: 1.3 kg, Colour: Black, Includes 1-way footswitch and power supply unit