Audio Signals Digital Noise Reducer & Low Pass Filter for HF Radio Shortwave Enhance your audio experience with our Digital Noise Reducer (NR) and Low Pass Filter (LPF) designed specifically for HF radios and shortwave systems that lack DSP functionality. This device promises clearer audio and a superior QSO experience. Specifications: Power Supply: USB-C 5V or 6~15V DC Power Consumption: 4W max Built-in Speaker Output: 3W max Signal Input: 3.5mm audio jack Signal Input Level: Up to 5 Vp-p max Noise Reducer Levels: OFF to 9 (total of 10 levels) Low Pass Filter Levels: OFF, 6KHz, 3.5KHz, 2.4KHz, 2KHz, 1.8KHz, 1KHz, 700Hz, 500Hz, 200Hz (10 levels) Display: 0.96 inch TFT screen Dimensions: 88mm (W) x 38mm (H) x 100mm (L) Weight: 230g Key Functions: Designed to process audio signals through a Digital Noise Reducer and Low Pass Filter, this device is ideal for improving sound quality for operators using shortwave radios without DSP. Package Contents: 1 x Digital Noise Reducer 1 x Type-C Cable 1 x Signal Input Cable
