i can see the acle branch from my house and i am sure i can still hear them when they are at stracey arms. they are louder than the 37s. These are ment to be an improvment really??? lads to keep them in service turn the fans up to max, then we can had the keys in because of the coronavirus then as we forked up the order they will be some elses problem . i can see it comming how they can exit