Package Includes: (1) Pair of Rockville MS40B Black 4" 200 Watt Marine Boat Speakers Compact and Powerful (1) MTX MUD50.2 100 Watt RMS 2-Channel Amplifier Amp For Polaris RZR/ATV/UTV/Cart (1) MTX Audio MUDBTRC Bluetooth Controller Receiver For Polaris RZR/ATV/UTV/Cart 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 Authorized MTX Audio Dealer! Description of MUD50.2: Built for "The Most Abusive Environments". A powerful, yet compact, audio amplifier that can be installed on any UTV, boat, sand rail, or motorcycle. The MTX MUD50.2 is the most compact amplifier that MTX has ever made. This unit features full range class D topology that delivers exceptional sound quality and excellent thermal efficiency. The unit includes 2 channels that are capable of delivering 50 watts of RMS power per channel @ 2 Ohms. More than enough power to drive a pair of full range speakers on a motorcycle or UTV. The entire unit is weather resistant including a conformal coated circuit board and control covers that prevent damage from moisture intrusion. The unique design includes a pigtail that contains all of the wiring necessary to connect power, ground, and signal without having to make a connection directly at the amplifier. This pigtail keeps moisture, dirt, and other hazards from harming the internal components of the unit, ensuring you can enjoy your music wherever the trail takes you. Features: MTX MUD50.2 100 Watt 2-Channel Amp For Polaris RZR/ATV/UTV/Cart Compact Design Enables Installation Anywhere Conformal Coated Printed Circuit Board that Resists Moisture Fixed Crossover High Level & Low Level Inputs 200W Peak Power @ 2 Ohms Description: 2-Channel RMS Power: 100 Watts 4 Ohm RMS Power Output: 25W x 2 Channels 2 Ohm RMS Power Output: 50W x 2 Channels Topology: Full Range Class D THD: