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Tech 21

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The Used Tech 21 SansAmp PSA-1 is a programmable bass preamp rack unit in great condition, offering powerful analog amp modeling with pristine tone shaping versatility. Featuring 49 user-programmable memory locations, it delivers a wide range of clean to aggressive tones. This 1U rackmount unit includes controls for preamp gain, punch, crunch, drive, low, high, level, and presence, plus MIDI functionality for easy integration into your rig. Offering both 1/4" and XLR outputs for flexible connectivity, it’s perfect for studio or live settings. Known for its warm, tube-like character without the maintenance, it’s a trusted piece for professional bassists.