Dayton Audio DA650D Commercial Audio Amplifier 650W 70V/ 100V/ 4 Ohm Mixer - 4 Mic 2 Aux 1 Telephone input The DA650D is a 70V, constant voltage commercial amplifier that can power multiple speakers over extended distances efficiently without the obstacles of impedance loading. This makes it an excellent choice for large venues or multi-room audio systems, where maintaining consistency in sound quality across vast expanses is key. For maximum compatibility, the DA650D can also support systems with a minimum impedance of 4 Ohms. 650-Watt Power Output The Dayton Audio DA650D stands out with its impressive 650-watt power output. This ensures that even in expansive spaces, the sound remains clear and of high quality. It's especially beneficial for distributed audio systems or commercial venues where a robust audio signal is crucial. Multiple Connectivity Options Flexibility is at the core of the DA650D. With four terminal block microphone inputs that can switch to line level and 2 RCA auxiliary inputs, it caters to a diverse range of audio setups. This versatility is invaluable for professionals who often need to adapt to varying audio requirements. FM, Bluetooth, USB & SD Card Reader Despite its robust nature, the DA650D doesn't compromise on modern features. It offers Bluetooth streaming capabilities and comes equipped with both USB and SD card readers. This ensures you can play audio from multiple sources, tailoring playlists to match your company's ambiance. The inclusion of an FM radio tuner adds a touch of versatility to the DA650D. Whether you want background music or to tune into a popular radio show, this feature ensures you have a variety of audio options at your fingertips. Commercial Grade Rackmount Design Constructed with commercial-grade materials, the DA650D promises durability and consistent performance. It's designed to withstand the demands of continuous operation, ensuring longevity and making it a valuable addition to any commercial audio setup. The DA650D's rackmount design ensures easy integration into standard equipment racks. This not only ensures a seamless fit into existing setups but also signifies its capability to handle the demands of a professional environment. Maintain the perfect audio environment with the DA650D's EMC and mute triggers. These features allow you to mute other outputs for announcements or in case of security alarms, ensuring the audio setup aligns with the venue's requirements. Specifications Power Output: 1300W @ 4ohms, 650W @ 8ohm Inputs: 7 (4 Euroblock, 2 Stereo RCA, 1 Digital interface with USB, SD, BT, and FM) Output: 1x Barrier Strip for 70V/4ohm load Dimensions: 19 x 12.5 x 1.75 Weight: 10.58 lbs