[Teensy 3.6] EVE2 FT813 gpio sound

[andromeda]

hi,

i have the TFT 800x480 EVE FT813 capacitive touchscreen,
i want to use sound pin gpio that is on board TFT, how do i do connect this pin ?
this is a gpio is pwm output.
do i need breakout board audio amplifier ?
do i need connect only pin gpio form EVE2 TFT to a pin pwm to teensy 3.6 ?

thanks for your help.