This audio DSP noise reducer is designed for radio receivers. It effectively reduces noise and improves audio signal quality through digital signal processing technology. It has multi-level noise reduction and filtering functions, is easy to operate and compatible with old radio stations, is equipped with a USB Type-C interface, supports external devices, and has excellent performance.
DNR is the noise reduction level, with a total of 10 levels. FLT is a digital filter, with a total of 10 levels, namely 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.
The button settings are simple and clear
With audio spectrum display
3.5mm audio interface input
Power supply is USB type-C input
Built-in speaker, can also be connected to external speakers or amplifiers
Package weight: 170 grams
Package size: 12*11*3.5cm/4.7*4.3*1.3inch

Package list:
1 x host
1 x 3.5mm audio cable
1 x type-C data cable
1 x machine corner pad