TCC TC-753LC BLACK Phono Preamp w/Level Control and AUX Input; includes optional PREMIUM HIGH POWER AC Adaptor now available in both black and silver; this is the BLACK VERSION THD 0.06% max, S/N ratio 80dB; RIAA freq response 20hz-20,000hz +/- 0.5dB adds an aux/line level input to replace the one it's connected to LED aux/phono indicators show switch position from a distance includes PREMIUM AC adaptor, RCA cable and miniplug adaptor