Boyu · Bar / clip-on
CB Ultrathin LED
- Made for tanks
- 50–90 cm tanks
- Power
- 26–55 W
Low-tech planted and community tanks where you just need decent white light.
5 models
Twinstar · Bar / clip-on
Twinstar EA Series (E IV)
The fourth-generation E line, also sold as E IV. It added orange LEDs to the RGB mix, which makes green plants look particularly rich, and has adjustable legs plus a built-in dimmer. It is an older model now, replaced by E Series Ver.5.
Updated
17–74 W6 models
Will it suit my tank?
cm long
Best for
Medium-light rimless tanks where you like the look of a very thin fixture and want a simple dimmer.
Worth knowing
No app or timer; superseded by the Ver.5 E Series with Bluetooth control.
What stands out
- Six sizes from 20 cm to 120 cm
- RGB plus orange LEDs at 8300 K
- Built-in dimmer
- Adjustable legs for rimless tanks
- 30,000 h LED life
Models and specs
| Model | Made for tanks | Length | Power | Output | Colour temp |
|---|---|---|---|---|---|
| 200E IVTWSEAIV2 | 20 cm | 20 cm | 17 W | 850 lm | 8,300 K |
| 300E IVTWSEAIV3 | 30 cm | 30 cm | 21 W | 1,050 lm | 8,300 K |
| 450E IVTWSEAIV4 | 45 cm | 45 cm | 30 W | 1,500 lm | 8,300 K |
| 600E IVTWSEAIV6 | 60 cm | 60 cm | 40 W | 2,100 lm | 8,300 K |
| 900E IVTWSEAIV9 | 90 cm | 90 cm | 58 W | 2,900 lm | 8,300 K |
| 1200E IVTWSEAIV0 | 120 cm | 120 cm | 74 W | 3,700 lm | 8,300 K |
- Brand
- Twinstar
- Spectrum
- RGB + orange LEDs, 400 to 700 nm
- Colour temperature
- 8300 K
- Control
- Built-in dimmer
- Mounting
- Adjustable rim legs
- LED lifespan
- 30,000 h
Figures from Glass Aqua's product listing. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
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Boyu · Bar / clip-on
ZN WiFi LED
- Made for tanks
- 45–90 cm tanks
- Power
- 40–72 W
Planted tanks from 45 to 90 cm where you want scheduling and colour control on a budget.
4 models
Chihiros · Bar / clip-on
A II Max
- Made for tanks
- 30–140 cm tanks
- Power
- 32–96 W
Medium-light planted tanks from nano to large that want a simple, bright, app-controlled bar at a fair price.
6 models
Chihiros · Bar / clip-on
B Series
- Made for tanks
- 20–120 cm tanks
- Power
- 12.7–51.3 W
Low to medium demand planted tanks and beginners who want app scheduling without spending much.
7 models
Frequently asked questions
Quick answers about the Twinstar EA Series (E IV), drawn from its specs.
What size tank does the Twinstar EA Series (E IV) fit?
It comes in 6 sizes: 200E IV for 20 cm tanks, 300E IV for 30 cm tanks, 450E IV for 45 cm tanks, 600E IV for 60 cm tanks, 900E IV for 90 cm tanks, 1200E IV for 120 cm tanks. Choose the one that matches your tank length.
How much power does the Twinstar EA Series (E IV) use?
From about 17 W on the smallest model to 74 W on the largest, at full output. Most planted tanks run lights below full power.
Who is the Twinstar EA Series (E IV) best for?
Medium-light rimless tanks where you like the look of a very thin fixture and want a simple dimmer.
Is there anything to watch out for with the Twinstar EA Series (E IV)?
No app or timer; superseded by the Ver.5 E Series with Bluetooth control.
What are the alternatives to the Twinstar EA Series (E IV)?
Other lights worth comparing: Boyu CB Ultrathin LED, Boyu ZN WiFi LED, Chihiros A II Max. Add any of them to the compare table to see the specs side by side.