Fusion Apollo 6 Channel Marine Amplifier Ms Ap61800 Cleaning hygiene Drawer Size (6) 576 1 9 16in Steel Drawer Size (6) 576 x 380 x 50mm Drawer Size (3) 576 x 380 x 75mm Drawer Size (1) 576 x 380 x 150mm Max 70 Shore Nitrile *70 Shore Nitrile it typically means a nitrile rubber material with a hardness of 70 on the Shore durometer scale and it is suitable for applications requiring a relatively firm and chemically resistant material Easy Tune Feature Automatically adjusts audio settings for the best possible sound quality with no manual adjustments required (Requires setup using the Fusion Link app on a compatible smartphone) Less Total Harmonic Distortion The amplifier is designed with minimal distortion and noise