Mooer Tube Engine, Guitar Power Amp, Suitable for connection directly to effect units, Class A / B tube circuit, Output power: 20 watts, Suitable for operation of guitar cabinets with 8-16 ohms., 1 x 12AXz (ECC83) and 1x AT7 (ECC81) pre-amp tubes, 2 x Matched EL84 power amp tubes, 2 x Input gain settings, Transparent warm sound, Controls for master and presence, Hi / Low toggle switch to select the input impedance (Hi = 1 MOhm / Low = 220 kOhm), Standby toggle switch, Power toggle switch, Front-side 6.3 mm mono jack input, Rear 1 x 8 ohms / 2 x 16 ohm 1/4"" Mono-jack speaker outputs, Rear 1 x 16 Ohm 1/4"" Mono Jack Speaker Output, Rear IEC AC IEC socket, Rear AC Voltage Switch for Selecting Input Voltage (100 ~ 120V / 220 ~ 240V), Status LED, Dimensions (L x W x H): 335 x 203 x 91 mm, Weight: 5.25 kg, Includes rack mounting ears and carrying handle@+*Note:* Register your product at www.w-distribution.de/Warranty and extend the warranty to 4 years.