FK Irons
EXO 4.0
$599.99
- 4.0 mm fixed variant
- See full specs
- See full specs
- Overall score: 93
- Best for: Artists who want a front-weighted modular machine that can operate wired by RCA or convert to wireless PowerBolt use
FK EXO 4.0 vs Spektra Xion
Two FK pen platforms split between modular modern power and a compact traditional RCA workflow.
CURRENT VERDICT
FK Irons EXO 4.0
EXO wins for modular wired/wireless power and power-oriented 4.0 mm workflow. Xion remains the lighter, simpler RCA choice for artists who value balance over battery integration.
FK Irons
Spektra Xion
$624.99
- 3.2 mm or 3.7 mm interchangeable cam
- 152 g / 5.3 oz
- See full specs
- Overall score: 92
- Best for: Artists who prefer a light, balanced RCA pen and do not need onboard wireless electronics