BOSS Audio BM40AMPBT 500 Watt (Per Pair), Bluetooth, Amplified, 4 Inch, Full Range, 2 Way, IPX5 Rated Marine Grade Roll Cage/Waketower Speaker Pods (Sold in Pairs), Wired Bluetooth Controller Included

Bluetooth - Built-in Bluetooth automatically reconnects to the last device. Stream your music library from your smartphone or MP3 player or use apps such as Spotify and Pandora Amplified - The BM40AMPBT speakers are powered by a high-performance built-in class D amplifier. Weatherproof - The latest weatherproofing techniques have been utilized so that if the weather decides to be anything but sunny, you can keep on riding. The IPX5 rating makes sure of that! Auxiliary Input - A 3.5 mm aux-in connection is compatible with the audio output of iPods, iPhones, smartphones and MP3 players Surround - Rubber has the ability to endure much punishment without any sign of damage. It complements the whole structure of the speaker by allowing constant abuse where it is most needed, without the wear and tear Tweeter - The 1” dome tweeters radiate sound with a wider dispersion pattern than the semi-dome design. Since high-frequency sound waves are very directional, a wider dispersion of the sound waves will give you a larger "sweet spot" Specs - Impedance: 4 Ohms, Frequency: 45 Hz - 20 kHz, Sensitivity: 94dB, Dimensions: 7.4” x 7.2” x 5.4”, Weight: 6 lbs. pair, Mounting brackets: 1.5” - 2” diameter O.D., low battery shut o-ff, Illuminated soft touch controls BOSS Audio Systems provides a powerful 3-year platinum online dealer warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality