Yes that's right, sorry for the bad math. I do think that is just a bit strong at 2nd level, and gets considerably stronger once the number of attacks start to pile up.

I mean, imagine a Fighter 2/Ranger (Hunter) 11, under the effect of a haste spell, and surrounded by 8 enemies:
Action: WWA: 8 attacks
Bonus action: 1 attack
Haste action: 1 attack
Action surge: WWA: 8 attacks

That's a lot!

If you don't plan on using it at high levels then you're probably OK, and if your player isn't the type to optimize for it, then again, it's quite good but probably fine. (And just to set the scale, IMO a plain +1 weapon is already "quite good" for second level.)

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