61/2 front and back
If it is the rear speaker it is 9 x 6 Ovals for the Honda accord coupe 98. should be similar for the sedan.
The speaker size for the front doors in a '92 Accord are 6.5". Just as an add-in: http://mjmautoinnovations.com/honda.htm This will tell you about front, back, all years.
6.5" for both front and rear.
Try this: http://mjmautoinnovations.com/honda.htm
Front: 5-1/4" Rear: 6" x 9"
6.5" round in front, 6"x9" in back.
The fronts are 6 1/2" speakers and the rears are 6x9s.
2001-2005 sedan 6.5 and coupe 6x9
the back speakers are 6x9 and the fronts are 6.5, but 5.25 can fit too, with an adapter
6 1/2
6.5" all the way around, 8" stock sub if you have the 7spkr, tweeters are 1" i believe in the front
The speakers are 6.5 inch round..