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Audioarts Wheatstone channel strip Mic preamp eq 4000 module

Symetrix 302 Dual Channel Microphone Preamplifier - Pre-Owned - No Power Cord

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PRESONUS TUBEPRE - TUBE MIC PRE AMP

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"60dB Microphone Preamp with 48V Power, 3 Inputs, XLR, 3.5mm, 6.35mm Interface"