Boston   audio signal cable, RCA to 6.3mm jack mono, 6.00 meter, for FWF-MV1 pickup system

KNA Pickups   wireless violin/viola piezo pickup system 2.4GHz, piezo with volume control

KNA Pickups   violin/viola piezo pickup system with deluxe solid ebony jack housing

KNA Pickups   violin/viola piezo pickup system with deluxe solid ebony jack housing and volume control

FWF   violin and viola omnidirectional microphone + double piezo with preamp and volume control

FWF   violin and viola passive double piezo pickup with low pass filter