[Blades]

pawn Code:

public OnPlayerRequestClass(playerid, classid)
{
    SetPlayerPos(playerid, 1958.3783, 1343.1572, 15.3746); // SetPlayerPos(playerid, x,y,z)
    PlayerPlaySound(playerid, 1183, 1958.3783, 1343.1572, 15.3746); // Same Coordinates as SetPlayerPos
    // Other code here
    return 1;
}

If you still don't understand go:
https://sampwiki.blast.hk/wiki/PlayerPlaySound