Description:
The DSP noise reducer is for shortwave radio station. With DSP, it can process the audio signal and realize digital noise reduction and digital filtering. Therefore, it is suitable for radio receivers to use it to input audio signals.

Features:
1. With 3.5mm audio input interface.
2. With audio spectrum display.
3. DNR, the level of noise reduction, a total of 10 levels.
4. FLT is a digital filter with 10 levels. There are 200hz low-pass, 500hz low-pass, 700hz low-pass, 1khz low-pass, 1.8khz low-pass, 2khz low-pass, 2.4khz low-pass, 3.5khz low-pass, 6khz low-pass, and pass-through respectively.
5. The filter and noise reducer can be used together freely; simple and clear button settings.
6. 5V input via microUSB; built-in speaker; can connect to external speakers and power amplifier for better effect.
7. Suitable for old radio stations without noise reduction function. Just output the audio of your radio to this machine.
8. Use a 3.5mm audio cable to connect to the DSP DNR with your radio, and then adjust the output volume of the radio.

Package Included:
1 x Audio DSP DNR