DAW (Digital Audio Workstation)
I have done and do a lot of different Voice Over's and they are usually done with my DAW, equipped as below.
Hardware:
MacBook Pro (13 inch, mid 2012) / 2,9 GHz Intel Core i7
Software:
Audacity, Logic Pro X, GarageBand etc.
Soundcard (external):
Focusrite Scarlett 2i4
Microphone:
sE Electronics - The X1
Headphones:
Beyerdynamic DT-250, 80 ohm
Monitors:
Neusonik NE05
Accessories:
Mic Shield, Shockmount, Pop filter