Running the entire length of your TP4R LED tube light, the TP-G4 Grid from Godox narrows the tube's beam spread, limits spill light, and provides directional control to enable selective lighting.

Runs the Full Length of the Tube    Narrows Beam Spread    Allows Directional Control    Promotes Selective Lighting

Related Questions and Answers

Q: 1. Will the Nanlite Pavotube 4' fit inside this case?

A: The Godox CB77 Carrying Case for KNOWLED TP4R 4-Light Kit is large enough to accommodate the Nanlite PavoTube II 30C RGB LED Tube Light (4'), but since it's not designed for that light, it may not be a good way to transport the Nanlite.

Q: 2. Is this bracket compatible with the Amaran PT2C tubes?

A: The Godox TP-B4 4-Light Bracket for KNOWLED Tube Lights does take amaran PT2c RGB LED Pixel Tube Light with 2 mm spare space between the tube and the bracket, would suggest to use some gaffer tape fir secure placement.https://www.bhphotovideo.com/c/product/812216-REG/General_Brand_001UPCG255MWHT_Gereral_Brands_Pro_Gaffer_s.html

Q: 3. Is this bracket compatible with the Amaran PT2C tubes?

A: The Godox TP-B8 8-Light Bracket for KNOWLED Tube Lights does take Amaran PT2c RGB LED Pixel Tube Light with 2mm spare space between the tube and the bracket, we suggest using some gaffer tape for a secure placement. https://www.bhphotovideo.com/c/product/812216-REG/General_Brand_001UPCG255MWHT_Gereral_Brands_Pro_Gaffer_s.html

Q: 4. The manual references an additional "controller fixing device" accessory clamp for mounting the control box (ballast) onto a stand via its v-mount male plate on the side. I wish it came with one included. I can't find this part yet, does Godox have a listing for it to purchase? The rope hang solution provided isn't idea for wheeling around a fixture.

A: You could use the BH #CAC2528 with the Godox KNOWLED F400Bi Bi-Color LED Light Panel (2.1 x 4') BH #GOF400BI to attach to a column.

Q: 5. How many TP-4R lights does this hold?

A: The Godox TP-S4 Softbox for KNOWLED TP4R Tube Light BH #GOTPS4 holds 2 TP-S4 lights.

Q: 6. It comes with a softbox but does it comes with a grid too?

A: The Godox KNOWLED F200Bi Bi-Color LED Light Panel (2.1 x 2.1') BH #GOF200BI does not come with a grid.

Q: 7. Since this light doesn't come with a case, can you recommend a soft padded case?

A: For the Godox P600Bi KNOWLED Bi-Color LED Panel Light, you may try the Luxli Travel Case for Taiko 2 x 1 LED Light (Black). See: https://bhpho.to/2OAyTN9.

Q: 8. Is there a way to attach diffusion? Does it come with diffusion?

A: The Godox F600Bi Bi-Color LED Light Panel (4 x 4') BH #GOF600BI comes with a metal frame and a softbox.

Q: 9. What are the dimensions of this case?

A: The Godox CB77 dimensions are as followed 49.5 x 12 x 5.5 inches.

Q: 10. What is the size of the controller?

A: The controller for the Godox KNOWLED F200Bi Bi-Color LED Light Panel (2.1 x 2.1') measures approximately 3.5 x 4.5 x 10.5".