Pyle 4 Inch Dual Marine Speakers - Waterproof And Weather Resistant, Black Pyle's Hydra series speakers are waterproof and designed for use in your boat, on the dock, by the pool, or simply mounted outside. They're designed with rust-proof mesh covers for quality protection. The PLMR41B is a pair of black 4' dual-cone, full-range speakers suitable for marine or car door use. The polypropylene cone accurately reproduces sound, and the molded ABS plastic basket keeps your sound distortion-free. Package includes mounting hardware and wires. 4'' Dual Cone Full range Speakers Completely Water Proof For Marine or Car Door Use Polypropelyne Cone with Cloth Surround Built-In Molded Grill Molded ABS Plastic Basket 15 Oz. Circuit magnet Frequency Response: 100 Hz-18 Khz Impedance: 4 Ohms Input Voltage: 6.32V Mounting Depth: Only 3'' Black Color Marine Speaker Complete Pair with wire Mounting Hardware Cut-out Size: 97 mm COMPLETELY WATERPROOF: This is a marine speaker that?s completely waterproof and can be used for several vehicles because it can withstand heavy water splashes and other outdoor conditions 15 OZ MAGNET: The speaker has a 15 Oz. circuit magnet for a full range audio and complete stereo speaker sound system. It has a frequency response of 100 Hz-18 Khz and 4 Ohms impedance WEATHER RESISTANT: It?s a weather resistant speaker made of Polypropylene cone with cloth surround for a rugged and durable design. It is also engineered with heavy duty molded ABS plastic basket construction to combat sun damage LOW PROFILE DESIGN: Constructed with a low profile design that can be easily installed on boats, marine watercrafts and other off-road vehicles. The built-in molded grill and classic white look also gives extra style to the vehicle 4? STANDARD SIZE: These marine speakers are easy to install with a standard size of 4 inches, complete wirings and mounting hardware that comes with the package. It also has mounting depth of only 3 inches and cut-out size of 97mm