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Source 4WRD II

For over 25 years, Source Four has been synonymous with theatrical lighting. Keep those fixtures but move 4WRD with the high output but perfectly nuanced LED lighting of the Source 4WRD II.

With a full family of options available, you can retrofit existing Source Four incandescent fixtures, or add to your inventory knowing that you’re gaining some of the best white-light LED technology on the market. You’ll never change another lamp.

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It’s about time!

It takes less than five minutes to upcycle your Source Four to Source 4WRD II; no special tools needed. Retrofit an entire space in a few hours – and nobody will even notice.

Change everything by changing
almost nothing

Using your existing dimmers to control Source 4WRD II makes the retrofit even faster. The Source 4WRD II works with line dimming, so you can plug right into your current system.



S4RWD

Don’t go there


Not only will Source 4WRD II save on energy, it saves on labor and maintenance.

No more access equipment rental, as lamp changes are a thing of the past — and the cool beam means gels won’t burn through.

45,000 Hour
L70 Rating

That’s a lot of time you get to leave the light alone.


Comfortable temperatures

The Source 4WRD II comes in three color temperature arrays: Standard, Gallery, and Daylight Gallery.

Standard and Gallery offer warm white light at 3200 K, with the Gallery offering exceptional color fidelity.

Daylight Gallery delivers superior white light at 5200 K for studio and live events.

Source 4WRD II


Watts stopping you?

Source 4WRD II



Lighting PAR excellence

Source 4WRD PAR and PARNel are sophisticated but high-output wash luminaires, offering 20% more output than the traditional Source Four PAR or PARNel at a fraction of the wattage.

These are not retrofits for conventional PAR and PARNel fixtures – they are an entire new class of soft-edge lights.

Lighting PAR excellence

Source 4WRD PAR and PARNel are sophisticated but high-output wash luminaires, offering 20% more output than the traditional Source Four PAR or PARNel at a fraction of the wattage.

These are not retrofits for conventional PAR and PARNel fixtures – they are an entire new class of soft-edge lights.




MyETC: Photometrics

Get full photometric and color information on ETC’s entire range of luminaires.

Download the MyETC: Photometrics app and take the guesswork out of your design.

Learn More

Source 4WRD II


Support 24/7/365

You’ve kept your Source Four fixtures because they’re reliable, durable, and you know ETC stands behind every product they make. Source 4WRD II is no different. It’s backed by ETC’s legendary service so you can get even more life out of your favorite luminaires and accessories.

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The Z Factor

The Source 4WRD Color retrofit brings you all the features of the Source Four including the ‘Z focus' or peak adjustment knob. With the Z focus knob you can project patterns with perfectly flat fields or blended washes with nuanced falloff.

The Z Factor

The Source 4WRD Color retrofit brings you all the features of the Source Four including the ‘Z focus' or peak adjustment knob. With the Z focus knob you can project patterns with perfectly flat fields or blended washes with nuanced falloff.