Description

Twinstar LEDs combine sleek design with true full‑spectrum performance, earning a loyal following in the aquarium community. By delivering the ideal 380–780nm range, these lights reveal the real colors of your plants and fish without the muddy yellow tones common in basic fixtures. Your aquascape ends up looking sharp, vibrant, and beautifully clear.

The Twinstar S Series Vr. IV is the brand’s flagship model, boasting significantly higher light output than the E Series. As one of the strongest LED aquarium lights on the market, it is specifically engineered for high-tech setups and plants with high light requirements. This version introduces unparalleled mounting flexibility; the S Series can be placed directly on the rim of your aquarium using its adjustable legs or suspended as a sleek pendant using the Twinstar Wire Kit (sold separately). For the scaper who wants the absolute best in brightness, saturation, and growth potential, the S Series is the ultimate tool.

Comparing Twinstar lights? Check out ‘Which Twinstar is Best for You’ HERE!

Key Features & Benefits

A professional-grade 380–780nm range that enhances the visual “pop” of your livestock while providing peak energy for photosynthesis.

Use the included adjustable legs (up to 4 inches) for a standard rim-mounted look, or transition to a minimalist hanging display with an optional wire suspension kit.

Each unit comes equipped with a dimmer, allowing you to dial in the perfect intensity for your specific setup and balance light levels with your CO2 dosing.

Technical Specifications

Check the table below to find the perfect match for your tank. Please ensure you double-check measurements to ensure the light will fit your aquarium.

Model
Dimensions (in)
Lumen
Watt
Glass Thickness (mm)

200S IV
7.20 x 4.84 x 4.41″
1100
17
up to 6mm

300S IV
11.14 x 4.84 x 4.41″
1750
29
Up to 8mm

450S IV
17.44 x 4.84 x 4.41″
2300
42
Up to 8mm

600S IV
23.03 x 4.84 x 4.41″
3620
59
Up to 12mm

900S IV
33.58 x 4.84 x 4.41″
5400
88
Up to 12mm

1200S IV
43.31 x 4.84 x 4.41″
6750
110
Up to 12mm

Tank Sizing Recommendations

200S IV: UNS 20C, 25C

300S IV: UNS 30C, 30T, 40C, 40T, 3N, 3T, 5N, 5T

450S IV: UNS 45U, 45T, 45C, 45S, 50C, 60U, 60T, 60L, 60S

600S IV: UNS 60U, 60L, 60T, 60S, 75P, 75S, 75U

900S IV: UNS 90U, 90P, 90B, 90L

1200S IV: UNS 120U, 120S

Choosing the right intensity is key to a healthy tank. Check out our guide on Lighting Requirements for a Planted Aquarium to see how to pair this light with your plant choice!