Amazon.com: Artibetter Violin Bridge Pickup Jack EQ Amplifier Pickup Under Saddle Set for Electric Violin Music Instrument Accessory : Musical Instruments
Amazon.com: Adeline Ukulele pickup transducer, It's suitable for Classical Acoustic Guitar Violin Viola Banjo Mandolin Ukulele Uke Cello, can"eq" the sound with placement front,side,back etc. (Heart) : Musical Instruments