New MB Quart GMR-1 Bluetooth Enabled Gauge Mount Marine Boat yacht Stereo AM/FM Radio Player With 6 X MB Quart 6.5" White Marine Audio Spekaers And 4 Channel 360 Watt Marine Amplifier - Great Marine Outdoor Stereo Package Package Includes: 1 Stereo 1 Amplifier 6 Speakers Marine MP3/WMA Digital Media Stereo Receiver with Built-in Bluetooth and Rear USB, Power Output: Peak: 40 watts x 4 channels, RMS: 20 watts x 4 channels, 1-year Warranty, Playback of MP3 and WMA, AM/FM tuner with 18FM/12AM presets, Equalizer with 4 selectable tone curves, Rear USB Input: USB port allows connection to digital devices such as flash drives, portable, media players, etc. Supports A2DP audio streaming, 1 Sets of 2V preamp outputs, RCA AUX input for connecting an audio source Speakers: 6.5" NK1 Series 2-Way Marine Speaker, IPX67 waterproof rating, Power Handling:, Peak: 120 watts, RMS: 60 watts, UV protected water resistant polypropylene cone, Temperature stable butyl rubber surround, 1" pure titanium dome tweeter, Water resistant woven red aramid fiber composite spider, High temperature copper voice coil and Kapton former, 4 ohms impedance, Frequency Response: 70-20,000 Hz, Top-mount Depth: 3.05", Sensitivity: 91dB, High energy Y30 motor assembly, Marine certified crossover, Conformal coated butterworth 12dB crossover with PTC tweeter protection Amp: RMS Power Rating: 4 ohms: 60 watts x 4 chan. 2 ohms: 90 watts x 4 chan. Bridged, 4 ohms: 180 watts x 2 chan. Pulse Width Modulated MOSFET power supply, LED power (green) and protect (red) indicators, Variable Bass Boost (0 to +9 dB bass boost at 45 Hz), Soft start turn-on, 4/3/2 or Mono channel operation, Preamp RCA outputs to daisy chain multiple amps, 3-way protection circuitry (thermal, overload, and speaker short protection) Heavy duty aluminum alloy heat-sink, Input sensitivity: Level: 200mV-6V, Variable high-pass filter (250-4000 Hz) Variable low-pass filter (40-250 Hz) Dimensions: 9-1/2"W x 13-11/16"L x 2-1/4"H