# BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) vs Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance: specs and price compared

A sourced, side-by-side comparison of the BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) (BEAMTECH) and Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance (Diode Dynamics) among led headlight bulbs. BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) is the cheaper of the two at $35.99.

## Side by side

| Spec | BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) | Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance |
| --- | --- | --- |
| US price | $35.99 | $80 |
| Brand | BEAMTECH | Diode Dynamics |
| Lumens per set | 8000 | — |
| Color temp k | 6500 | 6000 |
| Bulb fitment | H11 (also compatible with H8/H9/H16) | H9, 9005 (HB3), 9006 (HB4) only — never offered in H11 |
| Wattage (W) | 40 (per set, 20/bulb) | — |
| LED chip type | CSP Y19, double-sided | — |
| Beam pattern | Manufacturer-claimed halogen-replica focal distance, no dark spots or foggy light | Manufacturer-claimed 30-70% more light in the critical hotspot vs. halogen (ray-trace-optimized optics) |
| Cooling | Fanless — aviation-aluminum 6063 heatsink, IP65 | Active — Sunon bearingless microfan, direct-solder copper core board, thermally-modeled zinc casting |
| Rated lifespan hrs | 30000 | — |

## Key differences

- Color temp k: BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) 6500 vs Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance 6000
- Bulb fitment: BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) H11 (also compatible with H8/H9/H16) vs Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance H9, 9005 (HB3), 9006 (HB4) only — never offered in H11
- Beam pattern: BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) Manufacturer-claimed halogen-replica focal distance, no dark spots or foggy light vs Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance Manufacturer-claimed 30-70% more light in the critical hotspot vs. halogen (ray-trace-optimized optics)
- Cooling: BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) Fanless — aviation-aluminum 6063 heatsink, IP65 vs Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance Active — Sunon bearingless microfan, direct-solder copper core board, thermally-modeled zinc casting

## Sources

- BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair): https://www.beamtechs.com/products/beamtech-h11-led-headlight-bulb-fanless-csp-y19-chips-8000-lumens-6500k-xenon-white-extremely-bright-conversion-kit (beamtechs.com, verified 2026-08-12)
- Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance: https://www.diodedynamics.com/sl1-led-bulbs-pair.html (diodedynamics.com, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/led-headlight-bulbs/beamtech-h11-vs-diode-dynamics-sl1/
Cite: Per The Front Desk Review, BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) ($35.99) vs Diode Dynamics SL1 LED Headlight Bulbs (Pair) — Discontinued Clearance ($80) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/led-headlight-bulbs/beamtech-h11-vs-diode-dynamics-sl1/
License: CC BY 4.0.