A subwoofer.
Sparky.
A dog that will run to the shop to get your paper and bring back last weeks paper!
A subwoofer! Now again: What do you call a dog in a sub? Chinese food!
Take the 's' out of "sub" and the 'f' out of "way"
You take the "S" out of "Sub", and then you take the "F" out of "Way".
He was Haydn