Mooer SD50A Acoustic Guitar Combo, Combo for Acoustic Guitar, Transistor / Solid state design, 2 Separate channels with independent effects and EQ sections, Power: 50 W RMS, Equipped with: 8"" full-range flat response (FRFR) speaker with 1"" tweeter, 6.3 mm mono jack instrument input (channel 1), 6.3 mm mono jack/XLR combo input (channel 2), 3.5 mm stereo jack AUX input, Balanced XLR output (switchable to DI output or to preamp and effects output), Controls for: Gain, Bass, Mid, Treble, Master, Chorus, Delay, Reverb, Beats, Value, USB OTG support for smartphone and tablet recording, Switchable anti-feedback function on each channel, Built-in chromatic tuner, 3-Band EQ, 10 Editable presets, Wireless Bluetooth 4.0 support and AUX audio input for audio playback, Jam mode with 150 second looper and drum machine, Firmware update via USB-B port on the rear panel, Input voltage: 15V DC, 4A, Dimensions (L x W x H): 460 x 236 x 405 mm, Weight: 11 kg, Includes a wireless footswitch (Mooer AirSwitch) and a power supply