Gear4music S15G 15W Electric Guitar Amplifier, a compact practice combo amp designed for beginners and bedroom practice.The primary front panel features and controls include:Input Section: A standard 1/4" (6.35mm) jack input to plug in your electric guitar.Drive Controls:Gain Knob: Controls the amount of overdrive or distortion applied to your signal.Boost Switch: A small push-button that instantly switches between a clean channel and a high-gain distortion channel.Master Volume: A dedicated Volume knob to control the overall output loudness of the amplifier.3-Band Equalization (EQ): Three dedicated rotary controls to shape your tone:Treble: Adjusts the high-frequency presence and brightness.Middle: Adjusts the midrange frequencies to control the warmth or bite.Bass: Adjusts the low-end frequencies for deep or punchy tones.