White noise frequency range: 20Hz ～ 100KHz 20Hz ～ 20kHz Ningbo Yinzhou Hengxi Winbate Household Product Manufacturer , https://www.winbatehousehold.com
Pink noise frequency range: 20Hz ～ 50kHz
Output level: 3.16Vrms (100kHz white noise) can be continuously adjusted to 0V
Compression speed: 3; 10; 30; 100; 300; 1000dB / S
Compression range: 0 ～ 80dB
Power supply: AC220V 50Hz about 5VA