ASK904B.64 4 Channel Amplifier & 2 Pairs of 6.5" Speaker Kit - WhiteNo room for a stereo head unit? Want to listen to your music from a Bluetooth enabled device? No worries. Boss has taken audio to the next level with a powerful amplifier and weatherproof speaker kit.This kit packs a punch with the MC900B 4-Channel amplifier w/multi-function controller, a two (2) pairs of 6.5" MR6W speakers, waterproof pouch and a USB/Aux accessory extension cable.All in one and ready to play all your music on the water or in any environment.Features: Weatherproof 6.5" MR6W speakers - WhiteHideaway antenna 4-Channel Weatherproof 500W amplifier with multi-function controller - Included in the Box: MC900B Bluetooth amplifier w/multi-function controller Two (2) pairs of MR6W speakers Waterproof pouch MUSB35 USB/Aux Accessory Extension Cable Mounting hardware Instruction manuals *Sold as an Individual KitWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Auxiliary Input: Yes Bluetooth: Yes Color: Black Cover Included: No NMEA 2000: No Power - Output (Watts): 500 RCA Input: Yes RCA Output: Yes SiriusXM Ready: No Wired Remote Capable: Yes Wireless Remote Capable: No Box Dimensions: 8"H x 11"W x 16"L WT: 11.6 lbs UPC: 791489123020 Owner&';s Manual (pdf)Brochure (pdf)