UHF Violin Wireless Mic/Pickup System Instrument Mic System Gooseneck Microphone | eBay
KNA Violin/Viola Wireless Capable Pickup
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KNA VV-Wi wireless violin pickup demo from Electric Violin Shop | violin | Get the natural sound of your violin to shine through, plus add the convenience of wireless performance. Learn more:...
Amazon.com: KNA Pickups Portable Piezo Transmission Wireless Violin/Viola Pickup with Volume Control (VV-Wi) : Musical Instruments