Budget powerhouse with smart audio! That doesn't mean exactly what you might think if you're unfamiliar with smart sound. It's not actually a microphone, meaning you can connect the Smart Audio line to a spare UART on your flight controller, and then use your radio transmitter and the OSD in your goggles to change the band, channel, and power level. this VTX without touching the button on the VTX! This VTX is reliable and well made! Will you get all the bells and whistles VTX has to offer? No, but you get a cheap video transmitter that does more than you paid for!