# Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance: specs and price

**Price (US):** $80 at diodedynamics.com (Current clearance price on diodedynamics.com; regular price was $199.95 (product is discontinued and marked non-returnable)), as of 2026-08-12. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 6 led headlight bulbs we track it is #5 cheapest of 6; category median $65.
**Brand:** Diode Dynamics

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $80 |
| Brand | Diode Dynamics |
| Lumens per set | — |
| Color temp k | 6000 |
| Bulb fitment | H9, 9005 (HB3), 9006 (HB4) only — never offered in H11 |
| Wattage (W) | — |
| LED chip type | — |
| Beam pattern | Manufacturer-claimed 30-70% more light in the critical hotspot vs. halogen (ray-trace-optimized optics) |
| Cooling | Active — Sunon bearingless microfan, direct-solder copper core board, thermally-modeled zinc casting |
| Rated lifespan hrs | — |

## Where it stands

At $80, the Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance is #5 cheapest of the 6 LED headlight bulbs we track, where the median is $65. On the spec sheet, its color temp k of 6000 is at the median of the 14.

## Frequently asked questions

**How much does the Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance cost?**

The Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance has a US price of $80 (Current clearance price on diodedynamics.com; regular price was $199.95 (product is discontinued and marked non-returnable)), as of 2026-08-12.

**How does the Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance compare on price?**

At $80, the Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance is #5 cheapest of the 6 LED headlight bulbs we track, where the median is $65.

**What are the Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance's key specs?**

Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance (Diode Dynamics): color temp k 6000, bulb fitment H9, 9005 (HB3), 9006 (HB4) only — never offered in H11, beam pattern Manufacturer-claimed 30-70% more light in the critical hotspot vs. halogen (ray-trace-optimized optics), cooling Active — Sunon bearingless microfan, direct-solder copper core board, thermally-modeled zinc casting. Full sourced spec sheet verified 2026-08-12.

Source: https://www.diodedynamics.com/sl1-led-bulbs-pair.html (diodedynamics.com, accessed 2026-08-12)
Canonical: https://frontdeskreview.com/product/led-headlight-bulbs/diode-dynamics-sl1/
Cite: Per The Front Desk Review, the Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance price of record was $80 as of 2026-08-12 — https://frontdeskreview.com/product/led-headlight-bulbs/diode-dynamics-sl1/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl