Hi, So that was about two years ago -

The speakers I put in as I recall were "High Quality" but I eventually took them back out because they really didn't make much of a difference. I mean sure they were a little clearer, but the overall impact wasn't that great of a difference and the speakers were kinda (at least at the time they were around $30-$35) expensive, so I sent them back and got a refund.

Then I got these, which are cheap, (I think I paid $12-15 for the pair) but wow, made a huge difference - https://smile.amazon.com/dp/B07XWX2ZN8/?coliid=I3LKMPEZVPPO0U&colid=2062X0QBLCUUK&psc=1&ref_=lv_ov_lig_dp_it

There is a whole lot of back and forth on the 4 Ohm vs 8 Ohm, ultimately I stuck with the 8 Ohm as that what the speakers I took out were.

I also ultimately just stuck with the default amp and didn't add anything fancy, as 90%+ of the sounds are simple beeps and explosions.....

Hope that helps!