S.I.TECH Audio Over Fiber Transmitter. 6k Ohm 3.5mm front microphone input 35/350 mV switchable level mute switch 110VAC 1300 nm Singlemode

S.I.TECH Audio Over Fiber Transmitter. 6k Ohm 3.5mm front microphone input 35/350 mV switchable level mute switch 110VAC 1300 nm Singlemode

2237-T-SM$600.00