UPC 604697393010

• PACKAGE INCLUDES: 4x Polk Audio DB521 5.25 Inch Coaxial Marine Boat Yacht Boat Car Audio Stereo Speaker (2 Pairs)
• MARINE SPEAKERS: Good music becomes awesome when you hear it through Polk's db Series car speakers. Polk engineers use laser imaging to determine the ideal combo of speaker materials and design to eliminate distortion. The advanced technology offers speakers with smooth frequency response, sharp detail, and the ability to play music at high volumes without strain.
• MARINE SPEAKERS: Polk's db521 speakers have 5-1/4" woofers made from a polymer/mica composite and durable rubber surrounds that will withhold stress from heat, moisture, or time. Liquid-cooled 3/4" silk/polymer dome tweeters use powerful Neodymium magnets to deliver precise high-frequency reproduction, enveloping you in bright musical detail.
• MARINE SPEAKERS: And you can even pivot the tweeters, aiming them at your ears for improved stereo imaging. The built-in two-way crossovers keep the high and low frequencies flowing to the proper drivers for seamless, efficient audio.
• 100% SATISFACTION GUARANTEE: Buy With Confidence With Our 30 Day Money Back Hassle Free Guarantee And A 1 Year Warranty

 General Features:

• 5-1/4" 2-way cars speakers (pair)
• marine certified - recommended for fresh water and powersports applications
• Dynamic Balance polymer/mica composite woofer with butyl rubber surround
• 3/4" pivoting liquid-cooled silk/polymer composite dome tweeter
• Neodymium tweeter magnet
• Kapton voice coil
• built-in 2-way crossover network
• ABS wheel-design grilles
• stainless steel mounting hardware
• power range: 4-45 watts RMS (135 watts peak power)
• frequency response: 60-22,000 Hz
• sensitivity: 93 dB
• top-mount depth: 2-5/16"