Noctigon KR4 vs Emisar D4K
vs
Quick take: The Noctigon KR4 costs $5 less; the Emisar D4K is brighter (6,000 vs 4,500 lm); the Emisar D4K throws farther (219m vs 205m); the Emisar D4K runs longer on high (1.5 vs 1 hrs).
| Spec | Noctigon KR4 | Emisar D4K |
|---|---|---|
| Price | $55 | $60 |
| Rating | — | — |
| Type | EDC | EDC |
| Lumens | 4,500 lm | 6,000 lm |
| Candela | 10,500 cd | 12,000 cd |
| Beam distance | 205m | 219m |
| Runtime | 1 hr (turbo) | 1.5 hrs (turbo) |
| Battery | 18650 | 21700 |
| LED | Nichia 519A 4500K | Nichia 519A 4500K |
| Beam type | Flood | Flood |
| Modes | Ramping + Stepped | Ramping + Stepped |
| UI | Anduril 2 | Anduril 2 |
| IP rating | IP67 | IP67 |
| CRI | 95 | 95 |
| Weight | 2.3 oz | 3.5 oz |
| Dimensions | 3.9 x 1.0 in | 4.3 x 1.2 in |
| Warranty | Manufacturer Limited | Manufacturer Limited |
What owners report
Noctigon KR4
- ✓95 CRI emitter option gives about the best colour rendering available
- ✓Anduril firmware with full configurability
- ✓Extensive customisation — emitter, tint, materials and switch
- ✓Excellent value, performance and build quality together
- ✓Arrives well packed with a handwritten note recording your emitter choice
- ✗Quality-control issues that reviewers say still affect the model
- ✗No onboard charging — a separate lithium-ion charger is required
- ✗No magnetic base
- ✗Ordering means a small-batch enthusiast supplier, not a retailer
- ✗Anduril's configuration menus are steep for a first enthusiast light
Emisar D4K
- ✓Configure everything: materials, emitters, driver, switch and accessories
- ✓Optional boost driver gives higher and better-regulated output
- ✓Auxiliary LEDs that owners single out for how good they look
- ✓Geometry works well for hands-free and helmet-mounted use
- ✓Light enough to wear on a helmet for hours
- ✗No USB-C charging and no reverse charging — the cell comes out
- ✗Rated 3,800 lumens with a real-world ceiling nearer 2,000
- ✗Not the right light for hours of sustained high output
- ✗Specifying a configuration is daunting if you don't know what you want
- ✗Ordering goes through a small-batch supplier with long lead times