ROE Visual JA3.9 vs Sharp LED-B039i
On measurable specs the Sharp LED-B039i leads 7–6. The ROE Visual JA3.9 can still be the right call where its individual wins — check the highlighted rows — match your constraints.
| Add a panel | ||
|---|---|---|
| Physical | ||
| Pixel pitch | 3.90625 mm | 3.9062 mm |
| Cabinet size (W×H×D) | 500 × 1,000 × 60 mm | 500 × 500 × 78 mm |
| Weight per cabinet | 14.2 kg | 8.5 kg |
| Weight per m² | 28.3 kg/m² | 34 kg/m² |
| Image | ||
| Cabinet resolution | 128 × 256 px | 128 × 128 px |
| Pixel density | 65,536 px/m² | 65,536 px/m² |
| Brightness | 1,400 nits | 1,000 nits |
| Refresh rate | 3,840 Hz | 2,400 Hz |
| Contrast | — | 3,000:1 |
| Viewing angle (H/V) | 140° / 140° | 160° / 160° |
| LED type | SMD | SMD |
| Processing depth | 14 bit | 16 bit |
| Power & thermal | ||
| Average power | 170 W | 34 W |
| Max power | 340 W | 100 W |
| Max power per m² | 680 W/m² | 400 W/m² |
| Thermal load per cabinet | 1,160 BTU/h | 341 BTU/h |
| Operational | ||
| Environment | Indoor | Indoor |
| IP rating (front) | IP40 | IP30 |
| IP rating (rear) | IP40 | IP30 |
| Operating temperature | -20 to 45 °C | -10 to 40 °C |
| Service access | Front & rear | Front & rear |
| LED lifetime | — | 100,000 h |
| Certifications | CE, ETL, FCC | CCC, CE, ETL, FCC Class A, RoHS |
Size a wall with either panel
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