FWF universal microphone "MicroMic" with different mounting systems
FWF strings instrument double piezo with low pass filter, built-in version
FWF universal passive piezo pickup "Magneton" 5cm with tone control
FWF universal powerful passive piezo pickup "Gros Magneton" 7cm with tone control
FWF strings instruments triple passive piezo pickup "Ampliphon" with low pass filter