The Warwick Sonic III is a classic solid-state amplifier head known for its punchy, clean tone and reliable road performance.
Input Jack & Gain Control: The leftmost knob dials in the baseline instrument input level, matching the signal of passive or active bass guitars.
Master Volume: The large chrome rotary knob on the right controls the final output stage sent to the cabinet. [1]
2. Equalization & Tone Sculpting
4-Band EQ: Dedicated knobs for Low, Mid Low, Mid High, and Treble provide precise control over mid-range frequencies.
Boost Toggles: Two small button switches allow for instant Low Boost and High Boost frequency contouring.