Package Includes: (2) Pair of Rockville MS40B Black 4" 200 Watt Marine Boat Speakers Compact and Powerful (1) Rockville RGHR2 Marine Gauge Hole Receiver w Bluetooth USB, Radio + Wired Remote Video of MS40: What's In the Box: 2 Speakers Installation Hardware: (8 Stainless Steel Screws + 8 Stainless Steel Speed Clips) Mounting Template Owner's Manual Warranty Card Features of MS40B: Pair Rockville MS40B 4" 200 Watt Waterproof Marine Boat Speakers Peak Power: 200 Watts per pair / 100 Watts each RMS Power: 50 Watts per pair / 25 Watts each Color: Black Injection Molded Polypropylene Cone Aluminum voice coil with ASV winding Cloth surrounds Impedance: 4 Ohm Frequency Response: 122Hz – 20 Khz Sensitivity: 85dB @1w/1m High quality magnet: 3.5 Oz Y30 Ferrite magnet 1” inch ASV voice coil IP56 waterproof rating Fully Marinized Against Salt & Fresh Water Conditions Completely Waterproof and rustproof at level IP56 Anti-UV molded ABS plastic basket & grill Pre-installed mounting screws included Perfect for marine, outdoor, and car use 1” inch Tweeter: (Mylar Diaphragm with NdFeB magnet) Injection Molded Polypropylene Dust Cap SPL: 85dB ± 2dB (at 1M / 1W) Resonant Frequency (F0) 122Hz + or – 20% at 1V 3MM plate and 3 MM T-yoke Total Diameter: 5.12” Cutout Diameter in Inches for Mounting: 3.66” Total Height: 2.36” Mounting Depth in inches:1.57’’ Shipping weight: 1.76 Lbs Shipping Dimensions:6” x 6” x 5.7” T/S Parameters: Magnet details: F60*F24*8 Y30 Fs:154.7 Hz Re:3.2 ohms Qes:2.57 Qts:1.611 Qms:4.315 Vas:0.847L Cms:210.222UM/N Bl:2.468T MMS:5.029g XMAX:1.5 mm SD:54 cm2 All about your RGHR2: How To Set Up Your RGHR2: Included in the box: Marine digital media receiver Wired remote with 32.8 foot wire USB extension cable (40 inches) Mounting bracket Screws ISO wiring Owner manual and warranty Description: The Rockville RGHR2 is the best gauge hole receiver on the market. We developed this to give you the best sound and the best features. Crazy loud! We put in a built in amplifier that is louder than other marine receivers on the market. The RMS power of the built in amp is 28 watt x 4 channels! It is crazy loud and can be heard over the sound of the wind when you are on the water! There is also a built in EQ to customize the sound to your taste. Included wired remote Rockville is the only brand on the market that I know of that supplies a wired remote with your radio. The wired remote is a must have for any marine radio. This is great for boats and other powersport applications. We also include an extra long 32.8 foot wire so you will not need any additional extension cables. Latest listening features The RGHR2 gives you many listening options. The Bluetooth technology allows you to stream audio from your Bluetooth enabled phone or other music player to the receiver. Our Bluetooth distance is 50 feet! There is also a USB input allowing you to listen to music stored on a thumb drive. You can plug in any audio device to the auxiliary input. There is a built in radio with crystal clear reception as well. Ability to connect multiple external amps This receiver makes your system expandable. Two sets of pre-amp outputs allow you to hook up external amps for your speakers and/or subs. This has front and switchable rear/sub pre-amp outputs so you can amplifiy your speakers and a subwoofer amplifier. Features: Rockville RGHR2 Weather Resistant Gauge-Hole Digital Media Receiver w/Bluetooth/USB/AM/FM Fits into a standard Gauge-Hole (Tachometer) Opening Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS) Built in EQ with preset EQ curves (Pop, Class, Rock, Flat) IP66 Waterproof Certification (Tested to withstand the elements) USB Input to play back audio files store on a USB thumb drive or any other USB device RCA Aux Input AM/FM Radio Built In with 18 FM and 12 AM presets + US and European tuning Bluetooth built in to stream audio from any Bluetooth enabled device USB Input Charges Your Phone Two Sets of RCA Outputs (Front and a switchable rear/sub) allow you to connect external amplifiers Big easy to use buttons Backlit LCD display Wired Remote Control Included (normally $50) Required cutout: 2.96" (diameter) x 2.75" (depth) USB is 500mA and 5V and supports 16GB max Dimensions: 2.96" cutout mounting diameter 4.45" diameter top plate 3.9" mounting depth (not including top plate) 5.0" depth including the top plate Specs of the built in amplifier: TDA7851L quadbridge power amplifier 4 x 72 watts peak @ 2 ohm 4 x 48 watts peak @ 4 ohms 4 x 28 watts RMS @ 4 ohms Highly efficient even when running at 2 ohms! Low distortion even at top volumes