All the Instants and TUTH are in 6% Neroli - a light orange blossom scent that settles to a very light background level after half an hour or so. This is fine to wear on its own and is very easily covered by other colognes. Because of the influence of individual phero mixes, there is a very slight difference in scent between each product.
A314 spray is in 6% Akuto, a more masculine, slightly musky scent. Which is more pronounced than Neroli but stil dries prety light and it will complement many colognes effectively.
Ammo is the only one in a significant cologne scent - It is called FF21 (at 10%) and yes, it is a love it or hate it thing. FF21 is a fresh, clean scent similar to Creed’s Green Irish Tweed.
Rather than mixing scents/products, you are far better to layer them - Simply spray your first product, leave it a minute or so for the alcohol to evaporate, then spray the next and so-on. Finally layer your cologne over the whole lot. Although yes, once you have found your sweet spot/effective doses, it is feasable to make a small quantity of a mix in a togo with some cover scent for convenience to carry with you but this is inadvisable for more than a few days worth as it gets incredibly wasteful if you modify the mix or get it wrong.