Godox KNOWLED TP8R Tube Light

The Godox KNOWLED TP8R is a professional full-color LED tube light designed for film, television, and commercial production where long, continuous linear sources are required. It is the longest fixture in Godox’s KNOWLED TP tube lineup and is built for large sets, wide frames, and architectural lighting applications.

The TP8R is used when shorter tubes aren’t enough to read as a believable source on camera or to cover larger areas cleanly and evenly.

Godox KNOWLED TP8R — Specifications

Specification	Details
Model	TP8R
Input Power	≈ 83 W
DC Input	20V ⎓ 4.15A
Battery Type	Lithium battery
Battery Capacity	14.4V, 11,920 mAh
Power Supply Options	DC Power Supply, Internal Lithium Battery, V-mount Battery*
Battery Life (100% Brightness)	Approx. 140 minutes
Charging Time	Approx. 180 minutes
CCT Range	2000K – 10,000K
Color Modes	CCT, HSI, RGB, GEL, FX
FX Types	17
Average CRI	≥96
Average TLCI	≥96
Waterproof Grade	IP65
Control Methods	DMX512, RDM, CRMX, Bluetooth App, Light Body Control
Bluetooth Control Distance	Max. 30 m
Wireless Control Distance	Max. 100 m
Operating Temperature	−10°C to 40°C

*V-mount battery must be 14.8V or 26V, 100Wh or higher (sold separately).

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Physical Specifications

Specification	Details
Dimensions	47 × 47 × 2300 mm
Net Weight	≈ 2.94 kg

Fixture Overview

The TP8R is a rigid, extended-length RGB LED tube that delivers smooth, consistent illumination across its entire length. Compared to the TP2R and TP4R, the TP8R is clearly aimed at bigger spaces and wider shots, where continuity and scale matter.

Despite its size, it maintains professional control options, battery power, and IP65 weather resistance—making it viable for both studio and exterior work.

Key Characteristics

Extra-long full-color RGB tube light
Wide CCT range with full color modes
IP65 weather resistance for exterior use
CRMX + DMX/RDM support for console workflows
Internal battery power for cable-free placement

This is a purpose-built tube for scale, not a handheld accent light.

Light Quality and Output

The TP8R produces a long, soft, linear source that excels at creating smooth gradients, wide edge light, and believable practical illumination. Its length makes it particularly effective for:

• lighting walls and architectural elements evenly
• wide-frame edge or toplight
• background washes without hot spots
• large practical tubes visible on camera

Because the source is long and diffused, it wraps more naturally across subjects and environments than panels or shorter tubes.

Color and Control

The TP8R supports five operating modes:
CCT mode
HSI mode
RGB mode
GEL mode
FX mode

It includes 17 built-in FX types, useful for practical effects, ambient motion, or cue-based lighting.

Supported control methods:
DMX512 control
RDM control
CRMX control
Bluetooth app control
Light body control

This allows the TP8R to slot into everything from small wireless setups to fully board-operated stages.

Power and Battery Workflow

The TP8R supports multiple power options:
DC power supply
Internal lithium battery
V-mount battery power supply (sold separately)

Battery power is especially valuable at this size, as it avoids long cable runs and simplifies rigging in wide sets, ceilings, or exterior locations.