Motorcycle Bluetooth Speaker. Features: 5" X-large Sound Space, Powerful Motivation in Bass. 4" High-quality Hi-Fi Grade Full Range Speaker Core, Outstanding Sound Performance. Built-in 600W D-class Amplifier, Continuous Boost Support. Built-in Bluetooth, Popular Wireless Stream of Music. Support AUX MP3 Music Playing. Support USB Stick Music Playing (2021 Upgraded). Integrated with Full Function Wired Remote, Very Easy to Operate While Driving. SAE Quick Disconnect Power Cable, Easy to Hook Up to the Battery of Vehicles. Specially Designed Skeleton Panel Adopting Advanced Plating Process, Awesome Appearance and Uneasy to Fade or Scratch. Specifications; BUILT-IN AMPLIFIER Input Voltage: DC 10-16 V Rated Power: 2x30W @ 4 Peak Power: 600W Channel: 2.0 S/N: >80dB Built-in Bluetooth Support USB Input Support AUX Input Full Function Wired Remote SPEAKERS Outline Size: 5" x 6.5" Core: 4" Full Range Rated Power: 30W Impedance: 4 Sensitivity: 84dB Package Includes; Main Speaker x 1 Slave Speaker x 1 Steering Clamps x 2 SAE to RingTerminal Power Cord x 1 AUX Cable x 1 Full Function Wired Control x 1 User Manual x 1 ZIPTies x 4 Note: The Default Handlebar Clamps Attached in the Package Fit 1 to 1.25 (25-32mm) Inches Rails, Please DO NOT BUY if They Do Not Fit Your Motorcycle The Size of SPK500 Speakers Are Real 5 Inches(5" in Diameter and 6.5" in Length / 130mm x 165mm), Please DO NOT BUY if They Are Too Big for Your Motorcycle . Your order will be shipped from abroad so please allow the necessary time of at least 14 work days for delivery due to ongoing delays in postal deliveries globally.