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The Radial Engineering ProDI is a passive direct box that connects an instrument or other unbalanced source to a balanced microphone input for stage or studio use. Its transformer-isolated design helps reduce ground-loop noise without requiring batteries or phantom power. Features Passive, single-channel direct box Custom Radial transformer with MuMETAL shielding 140 kΩ input impedance Rugged, compact construction for live and studio use
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🇺🇸 Ship from USA · On Agora since 2026
$99.99