Boss Audio 600W Motorcycle/ATV Sound System w/Bluetooth - Chrome. Audio StreamingAudio streaming A2DP is an audio protocol of Bluetooth technology. This profile allows for audio to be streamed wirelessly from your compatible device such as a Smartphone to the source unit so you can enjoy your favorite music or streaming music service such as Pandora or Spotify wirelessly.Class A/BClass A/B amplifiers have long been known for their ability to produce great quality sound while performing more efficiently than pure Class A amplifiers. We have developed a specific linear circuitry that further reduces distortion while increasing both sound quality and power output.Remote Volume ControlWired Remote Control that can be installed in a convenient safe place to allow you to control the volume of your system while riding. Specifications for Boss Audio MC425BA 600W Motorcycle/ATV Sound System w/Bluetooth: Manufacturer: Boss Audio Color: Blue Quantity: 2 Features of Boss Audio MC425BA 600W Motorcycle/ATV Sound System w/Bluetooth Pair of Chrome 3" Full Range Speakers 600 Watt Max Built-in Amplifier with Wired Remote Volume Control Bluetooth Audio Streaming - Stream your Favorite Music or Music Service like Spotify or Pandora Wirelessly 3.5 mm Aux Input Compatible with Audio Output of Smartphones and MP3 Players Frequency Response 20Hz to 20KHz SN >75dB THD: Package Contents: Boss Audio MC425BA 600W Motorcycle/ATV Sound System w/Bluetooth Boss Audio MC425BA: MC425BA 600W Motorcycle/ATV Sound System w/Bluetooth - Chrome