The Pyle Dual 6.5 Waterproof-Rated Bluetooth Marine Speakers, 2-Way Coaxial Full Range Amplified Speaker System (600 Watt) - Includes (2) 6.5'' Coaxial Speakers (Active + Passive) - Bluetooth Wireless Music Streaming Ability - Marine Grade Waterproof-Rated Construction - Water-Resistant & Weatherproof Design - Amplified Master Speaker with Built-in 2-Ch. Digital Amplifier - 2-Way Active Powered Speaker System - Impressive Wide-Bass Response - Full Range Stereo Sound Reproduction - Universal Standard OEM Replacement Size - Ability to Connect External Devices - RCA Audio Aux (L/R) Connectors - Hassle-Free Easy Access Speaker Terminals - Daisy-Chain Ability (Active to Passive Speaker) as Stereo System - Reinforced Surround with Dense Speaker Cone - Rugged Machined Basket & Grill with UV Resistant Housing.