Piezo

Electric Violin Bunnel Edge Outfit 4/4 Full Size - High Quality with Accessories

Headphones

Pyle PRO PMP50 Megaphone Skilled Piezo Dynamic W/ 1 Mile Vary Client Electronics

Portable Audio & Video

Electrical Violin Pickup Set with Headphone and Cable - DIY Solution

Headphones

Set Violin EQ Piezo Pickup Preamp w/Headphone Plug For Electrical Violin Instrumnent Accs

Headphones

Piezoelectric Earphone Excessive Impedance Ceramic Earpiece Naked Wire Leads Transistor Crystal Radios & DIY Make Electronics Initiatives 20,000 (20k) Ohm Sensitivity Classic Basic Fashion Piezo Electrical

Headphones