Infiniti FX35 tuning (by MODERNA) in Kaunas, Lithuania Infinity Reference 475a High Peformance 4-Channel Full-Range Amplifier (Silver/Black) $112.50 Infinity Reference 475a 4-channel car amplifier 75 watts RMS x 4 4-channel car amplifier * 75 watts RMS x 4 at 4 ohms (90 watts RMS x 4 at 2 ohms) * variable high- and low-pass filters [...]