2 Channel Stereo Gainer With Noise Filter|Use in USB-AUX-TV-DTH-Mobile-Amplifying Signals|Sound Booster for Low Volume | 12V DC| Individual Gain Adjustment Controls.4558IC Model

This audio gainer board boosts the audio coming in by 10x Gain. The audio gain can be adjusted using 2 presets Sound Booster for Low Volume | 12V DC | Individual Gain Adjustment Controls. 2 Channel Stereo Gainer with Noise Filter | Use in USB-AUX-TV-DTH-Mobile-Amplifying Signals.The 4558IC Model