AV SELECTOR WITH 4 INPUTS 12 OUTPUTS DIMENSION: 418*155*46(mm) Video&Audio Switch Distribution Amplifier AV SELECTOR WITH 4 INPUTS 12 OUTPUTS1.Adopting SCM core IC integrated circuit design,working stablely and reliably 2.Infrared remote or key switch,infrared remote distance 3.High isolation,low distortion,strong interferecne resistence4.Suitable for house ,hotel,entertainment ground ,factory, ...