LEMON KTV Karaoke Auto Volume Control AVC 100, CÂN BẰNG ÂM THANH, Vietnamese
When you listen to karaoke songs. Output:default 0.6 Vrms output. Details: size of aluminum box is 70 80 25mm. Audio cable length:30cm. Power adapter line length:1.2m. Audio input and output only from RCA output of this device.