✅ Digital to Analog Converter: This Digital to Analog (DAC) audio converter features both optical and coaxial digital audio input ports as well as RCA and 3.5mm analog audio output ports for ultimate flexibility within your system

✅ Built-in Volume Amplifier: Features a built-in amplifier and volume adjustment knob for the 3.5mm analog audio output port 

✅ Bass Control Function: Increase or decrease the presence of low frequencies in your converted audio signal with the bass adjustment knob. Fine-tune the low-end presence of your audio signal without the addition of outside audio processors

✅ 192kHz 24-bit Sampling Rate: Changes coaxial or optical PCM audio signals to analog L/R RCA and 3.5mm audio. Simple plug & play installation