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C9 LED Strobe Lights

C9 SuperSpark® LED strobe light bulbs bring the SuperSpark® all-strobe effect to a screw-in C9 replacement bulb — each bulb fires independently at its own random pace for a high-energy strobe effect at the architectural scale. Compatible with any standard C9 stringer (E17 base). Available in cool white, warm white, red, green, and blue.


Backed by our Reindeer Proof™ Warranty.

5 products

Everything You Need to Know About C9 LED Strobe Light Bulbs

C9 SuperSpark® strobe light bulbs deliver the full SuperSpark® all-strobe effect in a screw-in C9 format. Each bulb fires independently at its own random pace — not synchronized, not patterned — creating an organic, high-energy strobe effect across the entire stringer run. Screw them into any standard C9 stringer with an E17 intermediate base socket.

What’s in This Collection

C9 SuperSpark® Strobe Bulbs — Available in cool white, warm white, red, green, and blue. E17 intermediate base. Compatible with standard C9 stringers.

How to Use C9 Strobe Bulbs

C9 strobe bulbs work exactly like standard C9 replacement bulbs — they screw into any E17 socket on a C9 stringer. Mix them in with steady-on C9 bulbs to add selective flash to a run, or fill an entire stringer for full-run strobe impact.

How to Choose

C9 LED strobe strings deliver a bold flash effect in large C9 housings well suited for rooflines, gutters, and architectural outlines. Choose a color that stands out well on its own or layers effectively with your existing static-color roofline display for a dynamic effect. Note that specialty strobe strings may not be dimmable or may display undesirable behavior when connected to a dimmer — use them on standard on/off circuits.

Frequently Asked Questions

Are C9 strobe bulbs dimmable? C9 strobe bulbs may not be dimmable or may display undesirable behavior when used with a dimmer. Use on a standard outlet.

What base do these use? E17 intermediate base — the standard C9 socket.

Are these rated for outdoor use? Yes — all C9 SuperSpark® strobe bulbs are rated for both indoor and outdoor use.

What’s the Reindeer Proof™ Warranty? Our in-house warranty covering manufacturing defects and performance failures. Duration varies — see individual product pages.

Browse Related Collections

C9 LED Bulbs | C9 LED Light Sets | 5mm Strobe Strings | SuperSpark® Strobe Strings | Christmas Strobe Lights

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