Model No. 331.043: Preamp module for Markbass studio and live amp heads
Low-noise preamp circuitry optimized for bass frequencies
Active 3-band EQ (Bass, Mid, Treble) with sweepable mid control
Ultra-transparent signal path for preserving instrument dynamics
Balanced XLR line-level output for direct recording or PA integration
¼″ instrument input with high-impedance buffer for passive and active pickups
Drive control for adding subtle overdrive or grit
Mute switch for silent tuning and channel switching
Compact PCB form factor for easy integration into custom rack or pedal setups
PCB-mounted potentiometers and connectors for reliable performance
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