FOR CAR, MARINE, UTV, ATV & MOTORCYCLE - Add clarity to any sound system in land or water with JVC KS-DR2104DBT 4-Ch Digital Amplifier. With double the power than its competitors, at 600W (50W x 4), enjoy unmatched sound quality for your favorite tracks BUILT TO LAST - The Corrosion-Resistant Aluminum Sealed Chassis and stainless-steel screws ensures high durability, while the Drain Tunnel Structure creates a gap between the amp and the installation surface that prevents accumulation of saltwater & sand WATERPROOF, DUSTPROOF & SALT-SPRAY RUSTPROOF - IPX6, IPX7 & IP6X certified, the amp is protected from powerful water jets up to 12.5m, submersion up to 1m, and ingress of dirt. The ASTM B117 salt spray (or salt fog) test ensures protection from corrosion UNLIMITED WIRELESS STREAMING - With Qualcomm Bluetooth 5.0, stream music directly from your phone or tablet. The waterproof Bluetooth remote control offers wide range of device connectivity and allows you to control the volume, EQ and track selection DAMAGE PROTECTION FROM VIBRATIONS - The amp passes a 3-axis multi-frequency vibration test to ensure its ability to sustain vibrations. The amplifier mounting section is made of 15/64 inch die-cast material to suppress the amplification of vibrations Go sailing or dirt biking while listening to your favorite tracks in pristine quality with the JVC KS-DR2104DBT Compact Digital Amplifier with Bluetooth Remote Control. Featuring 50W RMS per channel (4 Ohms), it takes your basic stereo system to the next level and delivers impactful audio quality whether you are in land or water. Featuring Qualcomm Bluetooth 5.0 Technology, the amp allows unlimited music streaming via compatible phones and tablets. The Bluetooth antenna inside the waterproof remote control provides a wider range of connectivity, allowing uninterrupted playback. With a tough, all-weather aluminum sealed cast chassis that is IP67/IP66 certified waterproof and dustproof, ASTM B117 salt-spray rustproof, and resistant to damage caused by excessive vibrations, this marine-rated amp can survive almost everything. Equipped with high-quality parts like PMLCAP’s (Polymer Multi-Layer Capacitors) and magnetic shielded output coils, this amplifier eliminates maximum noise and disturbances, while maintaining the integrity of the original audio. Additionally, the back panel includes adjustable low-pass and high-pass filters for all channels, a fader control, and a button to switch between 2-ch or 4-ch configurations – all controls that you need to personalize your listening experience.