1-In 4-Out Front Stereo Signal Amplifier, Independent Output Volume Adjustment RCA Interface No Loss Allocator, US Plug, B029 Option:B029 but also the metal alloy

but also the metal alloy material helps to improve the heat dissipation performance during the use of the car charger

external independent USB sound card)

Made of high-quality materials

effectively identifying the original sound

NetVista S Series

1-In 4-Out Front Stereo Signal Amplifier, Independent Output Volume Adjustment RCA Interface No Loss Allocator, US Plug, B029 Option:B029 but also the metal alloyProduct description: 1. If you have a line level signal source (TV audio, MP3 player, video game machine, cell phone, tablet, computer, record player, etc.) to output to other devices at the same time (such as power amplifier and speakers or headphones), this product can solve the problem of one set of stereo input, which can allocate four sets of stereo, output independent four sets of volume adjustment function, with each channel output band + 20dB