The Barcus Berry 4000 Planar Wave System incorporates a piezo Crystal Sensor boundary mic and state-of-the-art 4000XL piezo preamp to capture sounds with full-spectrum frequency response and perfect amplitude balance across the entire source while achieving excellent feedback rejection and isolation from ambient sounds. Originally designed for piano and harp, the Barcus Berry 4000XL has become known as one of the highest fidelity contact microphone systems out there. Perfect for sound effect recording as well as use on instruments.
