Barcus-Berry 4000PI Planar Wave Piano Sensor – 4000PI-U

Barcus-Berry 4000PI Planar Wave Piano Sensor – 4000PI-U

Marsoni

M251S

$199.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Barcus-Berry 4000PI Planar Wave Piano Sensor – 4000PI-UPlanar wave sensor for piano captures authentic tone with minimal noise. Barcus Berry's planar wave technology isolates true piano resonance while rejecting pedal and hammer noise, making this sensor perfect for concert grands and uprights alike. Piezo crystal planar wave sensor for grand and upright pianos Non responsive to unwanted pedal and hammer noise Sensitive to soundboard vibrations for true piano tone Easy installation with adhesive pads; no

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I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.

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Reviewed in the United States on April 19, 2025