Feature●3 Transducer Pickup System fit for most string music instruments, amplify an upright bass, banjo, violin, ukulele, viola, cello, mandolin, and a resonator guitar●The plastic squares is a self adhesive block to mount the extra wire in your box, without pre amp they will work well.●No Battery and Soldering Required, pre-wired piezo mic save time for you, easy to install, convenient to use●Cable Length: approx. 57cm/ 22.44", 3-pack Piezoelectric Disk Dia.: approx. 27mm/ 1.06", Endpin Jack Dia.: approx. 6mm / 0.24"●Material: Plastic, Electronic Part: MetalDescription
A portable and mini musical instrument, very easy to learn and play, but the sounds come out would not be so loud, that’s why we need a pickup to increase the volume.