Amazon's October Prime Day — officially named the Prime Day Big Deals, if you want to call it that — isn't here for another day. Someone forgot to tell Sony, though, because the company's already discounted a range of its headphones.

• Browse the full Amazon Prime Day sale

The highlight here is a $30 discount on the WH-CH730N — they're now just $148, (was $179) — this being a highlight because those puppies were only unveiled at the beginning of September.

What I'm saying is, we haven't seen a reduction on these already-affordable over-ears before. Brand new tech, brand new prices. To be clear, these are over-ears with noise cancellation that sit just below Sony's flagship 1000X lineup — but an even cheaper new set also exists, and it's also discounted. Hurrah for Prime Day!

Their contemporaries, the WH-CH530, are also reduced, but by a relatively minor $11 from $69.99 to just $58 (they are, after all, much more affordable Sony cans).

Again, the product is only a month old, so this discount is the first we've seen on them. They're on-ears and don't offer active noise cancellation, but deliver Sony-grade audio, for a bargain price.

We haven't reviewed either of these products yet, that's how new they are. But we've previously been impressed by members of Sony's over-ear family, often naming them the best of their market segment, and there's no reason to think these will be different.

Want something really cheap? The WH-CH530's predecessor is down to $33 at Amazon, and they were already great affordable options as we detailed in our Sony WH-CH520 review.

And if you want something more premium, some past-gen flagships are back down to $198, a saving of 50% on the MSRP, and we gave them a perfect score in our Sony WH-1000XM5 review.

The best noise cancelling headphones for all budgets