Yamaha Rex 50 Digital Multi Effector, Em bom estado de conservação. Freq Response: 20Hz to 12kHz (+1/-4dB, 1kHz = 0dB) Sampling Rate: 31.25kHz Quantisation: Linear, 16 bits Dynamic Range: 74dB (effect) Noise Floor: -76dBm 60 RAM memories 30 preset effects 4 banks of MIDI program change mapping Stereo Input and Output at -10dBm MIDI In only Deixo o link do manual de instruções para consulta - kr.yamaha.com/files/download/other_assets/0/317340/REX50E.pdf