# SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) vs GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7): specs and price compared

A sourced, side-by-side comparison of the SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) (SEALIGHT) and GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) (GTR Lighting) among led headlight bulbs.

## Side by side

| Spec | SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) | GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) |
| --- | --- | --- |
| US price | $39.99 | not published |
| Brand | SEALIGHT | GTR Lighting |
| Lumens per set | 20000 | 9150 |
| Color temp k | 6000 | 5450 |
| Bulb fitment | H11/H9/H8 (also sold as 9005/HB3, 9005+H11, and 9006/HB4 combos) | H7 (bench-tested unit); sold across other common sizes |
| Wattage (W) | 60 (per set, 30/bulb) | 38.2 (per bulb) |
| LED chip type | — | Elec-Tech LED chips |
| Beam pattern | — | — |
| Cooling | Fanless — 0.5 in. aviation-aluminum heatsink | Fan-cooled |
| Rated lifespan hrs | 50000 | 5000 |

## Key differences

- Lumens per set: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) 20000 vs GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) 9150
- Color temp k: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) 6000 vs GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) 5450
- Bulb fitment: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) H11/H9/H8 (also sold as 9005/HB3, 9005+H11, and 9006/HB4 combos) vs GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) H7 (bench-tested unit); sold across other common sizes
- Wattage (W): SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) 60 (per set, 30/bulb) vs GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) 38.2 (per bulb)
- Cooling: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) Fanless — 0.5 in. aviation-aluminum heatsink vs GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) Fan-cooled
- Rated lifespan hrs: SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) 50000 vs GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) 5000

## Sources

- SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack): https://sealight-led.com/product/sealight-s1-h11-h8-h9-white-led-headlight-bulbs-2pcs (sealight-led.com, verified 2026-08-12)
- GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7): https://bulbfacts.com/led-kits/reviews/gtr-lighting-ultra-series-2-led-kit-review.html (bulbfacts.com, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/led-headlight-bulbs/sealight-scoparc-s1-vs-gtr-lighting-ultra-2/
Cite: Per The Front Desk Review, SEALIGHT Scoparc S1 H11/H9/H8 LED Headlight Bulbs (2-Pack) ($39.99) vs GTR Lighting Ultra Series 2 LED Headlight Bulbs (H7) (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/led-headlight-bulbs/sealight-scoparc-s1-vs-gtr-lighting-ultra-2/
License: CC BY 4.0.