Shocking sound, driving passion: This high-performance 2-channel 100W amplifier, paired with two 4-inch full-range motorcycle stereo speakers, brings an unparalleled sound experience to your riding journey. Whether you are galloping on the road or exploring off-road, you can immerse yourself in shocking music | Universal adaptation, easy installation: Designed for 1 to 1.5-inch handlebars, it is versatile and suitable for a variety of motorcycle models, such as, ATV, UTV, 4-wheelers and Polaris. Easy installation, equipped with all necessary hardware and wiring, plug and play, so you can easily enjoy your music journey | Wireless connection: Supports wireless connection up to 15 meters, compatible with any smartphone device. No matter where you are, you can wirelessly transmit your favorite smartphone music and radio channels, so that music can go with you | Innovative design, waterproof and durable: The speaker adopts an advanced waterproof design (the amplifier is not waterproof) to ensure stable operation in harsh outdoor environments. The matte black stereo unit is made of high-quality aluminum material and matched with a glossy black speaker housing, which is stylish and durable. High-performance bass makes your music more dynamic | Full control, convenient life: Equipped with 3.5mm audio AUX IN, support ready, full-function wired controller allows you to easily control music playback. Includes a full-function wired remote control for easy operation. Standard 12V power connection, no complicated settings, you can enjoy crystal sound quality. Whether it is daily commuting or -distance travel, you can enjoy the ultimate music experience