Ok, I may not agree with everything 2 Live Crew did, but damnation Megamix III is a phenomenal tune for testing bass response in audio gear. Be it amps, speaker, headphones, the test is as follows:

Set your volume to 25%.

Play this song:

First time I ever heard this was around 1990/91 – it was on a road trip to Florida in a rented Lincoln Continental and of course the car had the premium sound system.

The bass in this song is phenomenal. And it’s been my go-to for audio testing since then.

I just tested out the new Subjekt headphones – that bass response is there at the 25% level. Best $30 bucks I’ve spent in awhile.