LVL 9 Paladin Divine Defender + +2 Armor + Litany of Defense = +8 enhancement bonus?

[Putney]

So I have a level 9 Paladin Divine Defender with a sacred bonded armor.
That means when I use the armor bond I get a +2 enhancement, on top of the armors already existing +2, for a +4. Then I use Litany of Defense, and the enhancement bonus is doubled to +8 for the turn. Is this correct/legal? Because it looks like, even for one turn, I could eventually have a plus 16 enhancement bonus. (+5 on armor, +3 from divine bond, multiply by two)
Thanks in advance.

[EldonG]

Putney wrote:

So I have a level 9 Paladin Divine Defender with a sacred bonded armor.

That means when I use the armor bond I get a +2 enhancement, on top of the armors already existing +2, for a +4. Then I use Litany of Defense, and the enhancement bonus is doubled to +8 for the turn. Is this correct/legal? Because it looks like, even for one turn, I could eventually have a plus 16 enhancement bonus. (+5 on armor, +3 from divine bond, multiply by two)
Thanks in advance.

Yeah, that's the math.

It's pretty good defense, but only for one round.