EVH 5150III 2x12-Inch 120v 50-watt Tube Combo Amplifier - Ivory Gain, low, mid, high, volume, master presence, rear master resonance, power level and reverb controls Built-in DSP reverb One headphone output jack Two speaker jacks in parallel Custom shaped birch with unique internal baffling construction Vintage chicken head knobs 50-1W adjustable power level Master resonance control The EVH 5150III Combo is a tube combo amp featuring two Celestion G12M speakers and three channels (Clean, Crunch and Lead) Powered by seven 12AX7 preamp tubes and two JJ 6L6 power tubes, it also features front-panel adjustable power output from 50W down to 1W You'll get loads of control with the rear-panel selectable output impedance (4, 8 or 16 ohms) and versatile controls (gain, low, mid, high, volume, master presence, rear- panel master resonance, power level, reverb) You'll also get great features like built-in DSP reverb, rear-panel MIDI input and preamp output, two rear-panel parallel speaker outputs, rear-panel effects loop and headphone jack, and four-button footswitch (controls all three channels and reverb)