MXR Thump Bass Preamp is a compact bass preamp based on the tone circuit of the Echoplex Preamp.

Level and three-band EQ controls add warmth, definition and frequency shaping before an amplifier, interface or larger pedal chain.

Highlights

• Compact bass preamp
• Based on the tone circuit of the Echoplex Preamp
• Level and three-band EQ controls add warmth, definition and frequency shaping before an amplifier, interface or larger pedal chain