C, 29 28 26 bytes

main(){for(;;)putchar(0);} 

-2 @steadybox

gcc won't like it, but it compiles.

Outputs null bytes continuously. You can swap out the 0 for anything 0-9.

You can use 7 if you really hate your speakers.

C, 29 28 26 23 bytes

main(){main(puts(""));} 

-2 @steadybox

-3 @rtpatx

gcc won't like it, but it compiles.

Outputs null bytes continuously. You can swap out the 0 for anything 0-9.

You can use 7 if you really hate your speakers.

C, 29 28 bytes

main(){for(;;){putchar(0);}} 

gcc won't like it, but it compiles.

Outputs null bytes continuously. You can swap out the 0 for anything 0-9.

You can use 7 if you really hate your speakers.

C, 29 28 26 bytes

main(){for(;;)putchar(0);} 

-2 @steadybox

gcc won't like it, but it compiles.

Outputs null bytes continuously. You can swap out the 0 for anything 0-9.

You can use 7 if you really hate your speakers.

C, 29 bytes

main(){while(1){putchar(0);}} 

gcc won't like it, but it compiles.

Outputs null bytes continuously. You can swap out the 0 for anything 0-9.

You can use 7 if you really hate your speakers.

C, 29 28 bytes

main(){for(;;){putchar(0);}} 

gcc won't like it, but it compiles.

Outputs null bytes continuously. You can swap out the 0 for anything 0-9.

You can use 7 if you really hate your speakers.