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G4

G4 – same-day delivery available. Just make sure the product you want is in stock. Choose products to buy from the comfort of your home and have them delivered to your address, to an AlzaBox, or to one of our stores. Learn more about why shop on Alza.at.

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7 reasons to shop for G4 on Alza.at

  • We have a wide network of stores across the Czech Republic, where we follow all hygiene measures, as well as contactless AlzaBoxes (pick-up points).
  • You can see the availability of each item right away. Don't forget that we deliver on weekends too.
  • We accept most payment methods, including contactless and cryptocurrency.
  • You can easily return or exchange your product at any of our AlzaBoxes.
  • Need assistance? Our customer support is available 24/7.
  • We complement our range with accessories and additional services.
  • You'll find all the essential information for each product, and for some, user reviews to help with your selection.

What to consider when choosing G4?

If you're planning to get G4, there are a few aspects that can help you choose the right product. In the left menu, you can use the parametric filter to narrow down the selection to match your preferences. We also recommend sorting by popularity or price.

Make your selection easier. Click through our pre-made filters for the category: G4

Are you looking for the best G4? Browse products sorted by popularity, or consult the reviews from other users.

Cheapest vs. most expensive G4

If you are looking for products based on price, you can browse the lowest priced G4, or choose to sort by price from highest to lowest.

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13 Results
5.0
Nedis LED bulb, G4, 2 W, 12 V, 200 lm, 3000 K
LED Bulb - lamp cap G4, power input 2 W, 12 V, luminous flux 200 lm, lifespan 15000 h, energy label F, 1 piece in package
7.79 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Nedis24054
5.0 17×
OSRAM 20X1, G4, 20W, 64428 OVEN, 450 °C, clear
Oven Bulb - energy label G, power consumption 20 W, 12 V, luminous flux 300 lm, warm light (2900 K), diameter 0,8 cm, lifetime 2000 h
3.89 €
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: osra25106
4.3 240×
EMOS Classic JC G4 1,9 W (21 W) 200 lm, warm white, 2 pcs
LED Bulb - lamp cap G4, power input 1,9 W, 12 V, luminous flux 200 lm, warm light (3000 K), diameter of 1 cm, lifespan 30000 h, energy label F, 2 in package - from 3.33 €/ks
Amazing Deal from  6.65 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24_001
4.2
RETLUX RLL 456 G4 1,2 W LED COB 12V WW
LED Bulb - lamp cap G4, power input 1,2 W, 12 V, luminous flux 112 lm, diameter of 1,1 cm, lifespan 20000 h, energy label F, 1 piece in package
4.19 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX17127
4.4
Nedis LED bulb, G4, 1,5 W, 12 V, 120 lm, 2700 K
LED Bulb - lamp cap G4, power input 1,5 W, 12 V, luminous flux 120 lm, lifespan 15000 h, energy label G, 1 piece in package
6.70 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Nedis24055
3.5
RETLUX RLL 470 SMD G4 12V 2W WW
LED Bulb - lamp cap G4, power input 2 W, 12 V, luminous flux 220 lm, warm light (3000 K), lifespan 15000 h, energy label F, 1 piece in package
2.80 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24027
5.0
OSRAM 20X1, G4, 10W, 64418 OVEN, 450 °C, clear
Oven Bulb - energy label G, power input 10 W, 12 V, luminous flux 130 lm, warm light (2800 K), diameter 0,8 cm, lifetime 2000 h
4.09 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: osra25105
4.3 240×
EMOS Classic JC G4 1,9 W (21 W) 200 lm, neutral white, 2 pcs
LED Bulb - lamp cap G4, power input 1,9 W, 12 V, luminous flux 200 lm, neutral light (4000 K), diameter of 1 cm, lifespan 30000 h, energy label F, 2 in package - from 3.42 €/ks
Amazing Deal from  6.83 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24_002
4.7 12×
RETLUX RLL 298 G4 3,5 W LED 12V WW
LED Bulb - lamp cap G4, power input 3,5 W, 12 V, luminous flux 380 lm, warm light (3000 K), diameter of 1,5 cm, lifespan 15000 h, energy label F, 1 piece in package
Discounted -52 % 3.59 € 7.49 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX22_005
3.8 27×
AlzaPower LED 1.8-32W, G4, 2700K, set of 2
LED Bulb - lamp cap G4, power input 1,8 W, 12 V, luminous flux 180 lm, warm light (2700 K), diameter of 1,4 cm, lifespan 25000 h, energy label F, 2 in package - 3.05 €/ks
Great price 6.10 €
Buy
On the way > 5 pcs
Expected 16/04/2026
Order Code: APWLED-0014a
4.3 240×
EMOS LED Bulb Classic JC, A++, 2W, G4, Warm White
LED Bulb - lamp cap G4, power input 1,9 W, 12 V, luminous flux 200 lm, warm light (3000 K), diameter of 1 cm, lifespan 30000 h, energy label F, 1 piece in package
from  3.63 €
Currently Unavailable
Order Code: EMS17084
4.3 240×
EMOS LED Bulb Classic JC A++ 2W G4 Neutral White
LED Bulb - lamp cap G4, power input 1,9 W, 12 V, luminous flux 200 lm, neutral light (4100 K), diameter of 1 cm, lifespan 30000 h, energy label F, 1 piece in package
from  3.63 €
Currently Unavailable
Order Code: EMS17085
4.2 52×
AlzaPower LED 1.5-25W, G4, 2700K, set of 2
LED Bulb - lamp cap G4, power input 1,8 W, 12 V, luminous flux 180 lm, warm light (2700 K), diameter of 1,04 cm, lifespan 25000 h, energy label F, 2 in package - 3.05 €/ks
Great price 6.10 €
Currently Unavailable
Order Code: APWLED-0014
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Warmes Licht, kaltes Licht. Wie unterscheiden sie sich? Selbstverständlich in der Farbtemperatur, d. h. in der Farbe. Die Lichttemperatur bestimmt einige Eigenschaften des Lichts, wie z. B. seine Wirkung auf unseren zirkadianen Rhythmus. Alles, was Sie über die...
Glühbirnen verfügen über viele verschiedene Typen, so genannte Sockel. Jeder passt zu etwas anderem und die Orientierung kann eine Herausforderung sein. Wir helfen Ihnen gerne in unserer Anleitung.
Energy class Energy class of an appliance determines the amount of energy consumed by the electric appliance used within the European Union. Energy classes are defined by the EU and individual members of countries incorporate them into their legislation. From September 21, 2021, a...
Bases are the part of lamp bulbs allowing the mechanical fixing and electrical connection with the light source. Based on the type of attachment, there are screw, bayonet, and bi-pin bases, all of which are available in various sizes. Different base types are not...

G4

In the category G4 on Alza.at, we currently have a total of 13 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
Check out products sorted by price starting with the lowest price in the category cheap g4
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