Check the listing for details. PRV Audio 8MR400B-4 SLIM 8" Midrange Speaker 4 Ohm. Condition: New. Listed at 44.86 USD. The 8MR400B-4 SLIM 8" midrange speaker uses a "bullet" phase plug made from pure aluminum to lower inductance and act as a heat sink cooling system for the voice coil. Machined to perfection for even sound dissipation the phase plug also improves off-axis frequency response. Beyond good looks, this cone is extremely light, providing excellent damping to keep an incredibly natural yet accurate sound with incredible efficiency. _x000D_ _x000D_ An M-roll cloth surround, combined with an optimized fiber pressed paper cone, ensure the speaker’s frequency response is smooth and extends to high range making an easy transition to a super tweeter. The suspension design of the 8MR400-4 SLIM features a single layer spider – which connects to the coil former with premium stitched lead wires. The cone is driven by a copper-clad aluminum wire voice coil providing high efficiency and excellent power handling. _x000D_ _x000D_ This driver is constructed of high-performance characteristics and high-quality components to provide exceptional clarity, detail, and dynamic sound. You can expect outstanding sound stage quality and realistic sound reproduction for a great value. This is the new standard of value in high-performance bullet speakers. _x000D_ _x000D_ Built to perform and able to handle 400 watts of continuous power, this midrange is the perfect option to replace those old 2-way or 3-way coaxial speakers. With less than 2-3/4" mounting depth, this driver is perfect installations where depth is at a minimum such as car doors and dash locations. Engineered and designed to easily transform a stock system into one that can deliver concert levels. The 8MR4000-4 SLIM is ideal for audiophiles seeking tremendous output without radical modifications. _x000D_ _x000D_ _x000D_ _x000D_