https://joy.videvo.net/videvo_files/video/free/2015-09/large_watermarked/Gain_on_Guitar_Amp_preview.mp4 Gain Level on a Guitar Amp Female hand turns up the gain on a Guitar Amp. Footage in 4k. adjustingadjustmentampamplifieramplitudebanddbdbadecibeldecibelselectric guitargaingroupguitarlivelive musicmixingmusicperformancestagevenuevolume