Fin & Stem logo
Twinstar SA Series (S IV)

Twinstar · Bar / clip-on

Twinstar SA Series (S IV)

The fourth-generation S Series, a high-output bar that can sit on the rim or hang as a pendant with Twinstar's wire kit. It has a manual dimmer rather than an app, and packs enough light for demanding plants.

Updated

17–110 W6 models

Will it suit my tank?

cm long

Best for

High-light planted tanks where you want strong output and are happy to schedule it with a plug timer.

Worth knowing

No app or built-in timer, and the wire kit for hanging is sold separately.

What stands out

  • Six sizes from 20 cm to 120 cm
  • Up to 6,750 lm on the 1200 model
  • Rim mount or pendant with the optional wire kit
  • Manual dimmer included
  • Legs adjust by about 10 cm

Models and specs

ModelMade for tanksLengthPowerOutput
200SA IVTWSA20020 cm18.3 cm17 W1,100 lm
300SA IVTWSA30030 cm28.3 cm29 W1,750 lm
450SA IVTWSSA45045 cm44.3 cm42 W2,300 lm
600SA IVTWSA60060 cm58.5 cm59 W3,620 lm
900SA IVTWSA90090 cm85.3 cm88 W5,400 lm
1200SA IVTWSSA1200120 cm110 cm110 W6,750 lm
Brand
Twinstar
Spectrum
Full spectrum, 380 to 780 nm
Control
Manual dimmer
Mounting
Rim legs or wire kit (pendant)

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.

Frequently asked questions

Quick answers about the Twinstar SA Series (S IV), drawn from its specs.

What size tank does the Twinstar SA Series (S IV) fit?

It comes in 6 sizes: 200SA IV for 20 cm tanks, 300SA IV for 30 cm tanks, 450SA IV for 45 cm tanks, 600SA IV for 60 cm tanks, 900SA IV for 90 cm tanks, 1200SA IV for 120 cm tanks. Choose the one that matches your tank length.

How much power does the Twinstar SA Series (S IV) use?

From about 17 W on the smallest model to 110 W on the largest, at full output. Most planted tanks run lights below full power.

Who is the Twinstar SA Series (S IV) best for?

High-light planted tanks where you want strong output and are happy to schedule it with a plug timer.

Is there anything to watch out for with the Twinstar SA Series (S IV)?

No app or built-in timer, and the wire kit for hanging is sold separately.

What are the alternatives to the Twinstar SA Series (S 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.