The Party Starts Here. Equipped with an easily readable screen, rotary encoder and over 200 watts of total peak power into four channels, the KMC3 comes equipped with plenty of power. Add even more bump to your boat by adding amplifiers to the included RCA outputs. Add a wired KRC12 remote for even more control. This durable media center is ready for some fun on the water! Fits in gauge opening. USB audio playback or charging. Compatible with KRC12 Remote Commander. Frequency Response [Hz]: 20-20k. Signal-to-Noise Ratio [dB]: 87. RCA Outputs: 1 Set of Pre-amp Outputs. Line-Out Level [V]: 2.5. Outer Trim Ring Dimensions [in, cm]: 3.5 x 5.5, 8.89 x 13.97. Protrusion From Mounting Surface [in, cm]: 1.25, 3.1. Mounting Depth [in, cm]: 3.9, 10. Mounting Hole Diameter [in, cm]: 3, 7.62. Mounting Panel Thickness Range [in, cm]: Any. AUX Input Sensitivity AUX Input Sensitivity: 500 mV. USB:Playback, Charging, Compatible File System: MP2, MP3, WMA, WAV16, FLAC16, DC 5V, 1 Amp, FAT32. BT Range (feet): 30.