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- Provides omnidirectional lighting
- Fits in most lamps and hanging fixtures
- BR30s cast more directional light
If you're replacing a traditional light bulb in a floor lamp or hanging lighting fixture, the A19 shape will be a better fit for you. The shape disperses light across a wider area than the more directional BR30, and the smaller size fits into more sockets.
- Great as a single ceiling light
- Equally good for can lights
- Larger shape doesn't always fit into fixtures
For ceiling lights, can lights, and outdoor floodlights, the BR30 is an ideal shape that casts light more directly than the A19. Designed to serve almost as a downlight, the BR30 can still easily light up an entire room with a single bulb.
Most people would be fine with either bulb for most purposes, but there are a few key factors that may swing your decision one way or the other. Generally speaking, the A19 is a more universally applicable bulb that easily replaces the standard bulb shape, but the BR30 can be more ideal if you're shopping for a floodlight.
What's the difference?
If you're not well-versed in light bulb standardizations (and let's be honest, not many of us are), you'd be forgiven for mistaking A19 and BR30 as the names of different LIFX products — but in reality, they're just two of the most popular standardized shapes for light bulbs, regardless of the manufacturer.
You're simply choosing between two shapes of the same bulb.
Most of LIFX's smart bulbs come in either size, including the Color 1000 and LIFX Plus, and your choice won't affect the price, specs, or features of the bulb. Instead, when choosing the shape of your bulb, you'll want to consider how that shape affects the directionality of the light the bulb emits.
Though LIFX's A19 and BR30 bulbs both feature flat ends, the A19 is narrower and fits more easily into small lighting fixtures. A19 bulbs are omnidirectional, meaning they'll disperse light evenly all across their surrounding environment. This makes them great for floor lamps and hanging ceiling fixtures, where you're more concerned with lighting the entire room, rather than focusing the light on a particular area.
If you're after more directional lighting, on the other hand, the BR30 is a better choice. BR stands for "bulge reflector," which the bulb uses to point light straight ahead from its flat end. This makes BR30 bulbs ideal for floodlights where you'd want more light in a concentrated area, as well as ceiling and can lights where the bulb can face directly downward and illuminate the room.
Buy this for your floor lamp or hanging fixture.
While it isn't great as a floodlight, the A19 shape disperses light more evenly than the BR30. This is the bulb to buy for lamps or ceiling fans, especially if you need more than one.
Perfect for outdoor and ceiling lights.
Due to the flatter, wider shape, the BR30 is a floodlight with more directional output, making it ideal for areas where you want a lot of concentrated light.