[sampsonite]

Apex Mariana Trench
 
Apex Deepsea Challenger - The submersible James Cameron's used to descend down into the Mariana Trench.  Characterizing the amps black background, I am assuming it will have.  

 

[yacobx]

The Doob Tube!

 

[manbear]

Apex Pioneer

Continuing with the mountain theme. 

 

[Sweet Maple]

Apex Regolith
 
Regolith is the name for moon and asteroid rock. It has a connection with earth geology and the solar system alike.
 
Beautiful Amp! 

 

[aiaosu]

The Ascent

 

[slowdown5646]

The Apex Crest... a refreshing name for a refreshing product!

 

[arrowmark]

Apex Periscope

 

[gurus]

Fatboy!

 

[Bevo]

The Zenith - Exemplifies success and and power. Also a point above the horizon or particular location (keeps in line with you current product range)

 

[Drums4money]

The Apex Approach

 

[abhinit90]

The Apex Presidio
 
Presidio is a military term for a Spanish outpost

 

[bfin3]

The apex spire. Refers to both the single tube standing out and the cylinder shape.

 

[faecium]

Aphex Puna
 
The Puna grassland ecoregion, is found in the central Andes Mountains of South America.

 

[chawya22]

Apex Proteus. It reminds me of the Sub used in the Sci-Fi film "Fantastic Voyage".

 

[chirawatf]

Apex Abyss
 
Abyss AB1266 is best of the the best headphone to date.
Is P2X one of the best amp ?  Is it deserved for this name?