561 Light Bulb Replacement Guide
After extensively researching a number of different independent tests, we have chosen the 561 lamps based on the brightness, durability and lifespan.
| Ruiandsion 561 LED Interior Bulbs | Sylvania Long Life 561 Miniature Bulb | |||||||
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Product specifications (main) |
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| Size | 561 | 561 | ||||||
| Type | LED | Halogen | ||||||
| Wattage | 2.6W | 12W | ||||||
| Voltage | 24V | 12V | ||||||
| Color Temperature | 6000K | |||||||
| Manufacturer Part Number | B08N47X5C7 | B00318NSGG | ||||||
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Product specifications (additional) |
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| Light output | 480 Lm | 151 Lm | ||||||
| Lifespan | 50000 Hours | |||||||
| Bulb Length | 1.73 In | |||||||
| Requires Modifications To Install |  |
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Features |
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| CANBUS-free | |
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| Requires Ballast | |
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| Universal Fitment | |
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| Plug and Play | |
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Price |
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What Are 561 Bulb's Main Characteristics?
This bulb is a miniature wedge base bulb. It has 4.1 x 2.3 x 0.2 inches parameters which make this bulb one of the smaller-sized automotive light bulbs. The 561 has a single contact on the bottom of the bulb and it uses a BA9s bayonet base. This makes it easy to change out with other bulbs that have the same size and type of base.
With the 12V voltage, 12.42W wattage, and base rigid loop P21W the 561 bulbs are used mostly as a backup, side marker, or license plate light. That is because its color temperature and light output are not as bright as the other, more popular bulbs. The light emitted by the 561 is a dull yellow color, with a CRI (Color Rendering Index) of 80. This characteristic makes the 561 less than ideal for use as a headlight, which requires a much brighter light.
This automotive exterior headlight bulb has a long service life with an average lifespan of about 2,500 hours. So, although it may not be as bright as some of the other bulbs, it does have a long life.
Where Can I Use This Lamp?
As we have already mentioned, the usage purposes of the 561 automotive lamps are the following:
- Backup lights
- Turn signal lights
- License plate lights
- Cornering lights
The benefits of this particular automotive light bulb include its small size, long lifespan, and easy installation. Although it is not as bright as some other bulbs, it is still a good choice for use as a backup or license plate light.
One potential drawback of the 561 bulbs is its dull yellow light output. This may make it less than ideal for use as a headlight. Additionally, its low wattage means that it may not be as bright as some other bulbs.
Is The 561 Automotive Light Bulb Interchangeable?
Yes, the 561 is an interchangeable bulb. It uses the same base (BA9s bayonet) as other bulbs in its class. This makes it easy to change out with other bulbs that have the same size and type of base. There are some comparable bulbs to the 561:
These are all comparable bulbs to the 561 in terms of size, shape, and function. However, they may vary in terms of color temperature and light output. For example, the socket used in the 1157 (1156A) is not interchangeable with the 561. Also, the brightness level and color temperature of all these bulbs may differ.
The 561 automotive light bulb is a good choice for use as a backup or license plate light. Its small size and long lifespan are benefits, but its dull yellow light output may make it less than ideal for use as a headlight. Additionally, its low wattage means that it may not be as bright as some other bulbs. When choosing an automotive light bulb, be sure to consider all of these factors to find the best bulb for your needs.