Mark Levinson No.523 Dual-Monaural Pre-Amplifier Klipsch R-51PM You can adjust the multi-color

You can adjust the multi-color LEDs to suit your boat or your mood

Two M4x6mm Machine screws

more open response and minimal distortion at high volume

simply set it and forget it

MusicCast App for Easy Use

Mark Levinson No.523 Dual-Monaural Pre-Amplifier Klipsch R-51PM You can adjust the multi-colorMark Levinson No. 523 Dual Monaural Pre Amplifier The Mark Levinson 523 is the definitive preamplifier for the analog music lover. Six line level analog and phono inputs travel through the Mark Levinson proprietary Pure Path discrete, direct coupled, fully balanced, dual monaural signal path for breathtaking purity and performance. With precision control including a discrete, balanced R 2R Ladder volume control, class A Pure Phono stage, and class A