Amazon.com: Boomph On-The-Go Kit: JBL Flip 6 Portable Wireless Bluetooth IP67 Waterproof Speaker Silicone Protective Case + USB Type-C Wire - Black : Electronics
JBL MA704 4Channel Amp, Bluetooth Controller, 4x 8" Black Speakers, Wiring Kit | eBay
JBL PRV-175 Marine Bluetooth USB AUX Digital Media Receiver w/ 4x 6.5" 2-Way 225W Peak Black Speakers, 10" Black Subwoofer, 5-Channel Amplifier + Wire Kit, 50 Foot Wire, 40" Antenna, Auxiliary Mount -