Fully functional. Comes with knob. No other accessorie is included. The AudioControl DM-810 DSP Matrix Digital Signal Processor is a high-quality audio device designed for car audio systems. With 8 input channels and 10 output channels, this signal processor allows for versatile connectivity and advanced audio control. It features Bluetooth capabilities, a bass enhancer, remote control, and a range of audio enhancements such as equalization and crossover settings. This product is ideal for car audio enthusiasts looking to enhance their sound system with a reliable and efficient digital signal processor.
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