IN:输入接口
OUT:输出接口
无源立体声音频衰减器，兼容3.5mm、6.5mm、RCA莲花三种接口，0db、-3db、-6db、-9db、-12db、-15db六档开关切换。
Passive stereo audio attenuator, compatible with 3.5mm, 6.35mm, and RCA interfaces, with six switch modes of 0db, -3db, -6db, -9db, -12db, -15db.
IN:输入接口
OUT:输出接口
无源立体声音频衰减器，兼容3.5mm、6.5mm、RCA莲花三种接口，0db、-3db、-6db、-9db、-12db、-15db六档开关切换。
Passive stereo audio attenuator, compatible with 3.5mm, 6.35mm, and RCA interfaces, with six switch modes of 0db, -3db, -6db, -9db, -12db, -15db.
