Cardo JBL 45mm Audio Set Boost the sound and down out the road noise with the this JBL Audio Speaker upgrade. Building products for 70 years JBL has been a magnet for music lovers of every generation. JBL acousticians, mechanical experts and software engineers have modified and all audio elements of Cardo's intercom systems to deliver a whole new 45 mm set of the best sound ever in a motorcycle communication system Includes: JBL premium 45mm speakers Square Velcro brand closure pads Speaker repositioning pads Replaceable covers Activation guide Compatibility: Any Bluetooth device using a 3.5mm stereo audio headphone jack Cardo Packtalk Edge Cardo Packtalk Bold Cardo Packtalk Slim Cardo Smarth Cardo Freecom 4 Cardo Freecom 2 Cardo Freecom 1 Cardo Q-Solo Cardo older systems Sena 30K Sena 20S Evo Sena 20S Sena 10S Sena SF Series Sena Smh10R (requires Sena Earbud Adapter Cable Sc-A0305, sold separately) Chatterbox Duo Pro (requires Chatterbox Adapter Cbduouhs35, sold separately) Hawk Comm X1 and X2 Schuberth SRC System for C3 Pro / E1 Helmets