Addressable Digital SPI LED Strip Warm White • COB Spotless • 24V • 11W • 3000K • IP20 • 910lm • 10mm • 2oz Cooper paths PRO Version • Ra90 •

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COBD-420-WW-503
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Addressable Digital SPI LED Strip Warm White 3000K

This addressable Warm White COB LED strip delivers a cosy, dot-free 3000K white on a single spotless 10mm tape, with each section individually controllable pixel by pixel over SPI or DMX. Unlike a standard single-colour white strip that lights up as one continuous run, this digital version lets you address the strip in segments - for running/chasing effects, sequential switch-on and zoned brightness control - all from one 24V strip.

Key Features

  • Addressable Digital SPI / DMX control: segment-level effects and sequential control, not just one static run of white
  • Warm White 3000K: cosy, homely tone for relaxed, comfortable spaces
  • COB Spotless design: continuous, dot-free line of light with no visible LED points
  • 420 LEDs/m: high density for smooth, even white output
  • 910 lm/m at 11 W/m on 24V: strong, efficient white output with lower voltage drop over long runs than 12V
  • 2oz copper paths + Double PCB Layer (PRO Version): more stable current delivery and better heat dissipation than single-layer strips
  • High colour accuracy Ra90: natural, true-to-life white rendering

Technical Specification

Parameter

Value

SKU

COBD-420-WW-503

Chip type

COB (Spotless)

Light type

Warm White (single colour)

Colour temperature

3000K (Warm White)

LEDs per metre

420

Voltage

24V DC

Power per metre

11W

Luminous flux

910 lm/m

CRI

Ra90

Ingress protection

IP20 (non-waterproof)

Strip width

10mm

Copper trace thickness

2oz

PCB layers

Double layer (PRO Version)

Control protocol

Addressable Digital SPI / DMX

Roll length

30m (full roll)

Which Version Should You Choose?

Choose this addressable Warm White version if you want segment-level control of a single warm white - running effects, sequential switch-on (great for stairs) or zoned dimming - rather than the whole strip behaving as one. If you simply need plain 3000K white that switches on together, a standard (non-addressable) white COB strip will be simpler and cheaper to run. The 3000K tone here is warm and cosy; pick 4000K for a neutral, daylight-balanced white. This is an IP20 strip for dry indoor use only; for moisture-prone areas (bathroom, kitchen splash zones, outdoors), choose a waterproof IP-rated version.

Applications

  • Staircase lighting with sequential/step-by-step switch-on effects
  • Cove and ceiling lighting where zoned or chasing white effects are wanted
  • Under-cabinet, shelf and wardrobe lighting in dry indoor areas
  • Bedroom, living room and hospitality lighting needing a warm, cosy tone
  • Displays and creative installations needing addressable white control

Installation

This strip runs on a dedicated 24V DC power supply and cannot be connected directly to mains - size the driver with roughly 20% spare headroom. Because it is addressable, it also needs a compatible SPI / DMX controller or decoder to drive the data line; a plain on/off or analog dimmer alone won't unlock the effects. Cut only at the marked cut points along the strip, and mount it in a suitable aluminium profile for the best heat dissipation and finish.

FAQ

What does "addressable" mean on a white strip?

The strip is divided into individually controllable segments, so you can run effects like sequential switch-on, chasing and zoned brightness — even though it's a single 3000K warm white rather than colour.

What's the difference between 3000K and 4000K?

3000K is a warm, cosy white that suits homely, relaxed spaces; 4000K is a neutral, daylight-balanced white that looks cleaner and more functional. Everything else about the strip stays the same.

Can I use this strip in a bathroom or outdoors?

No — it's rated IP20 with no protection against moisture. For wet or outdoor areas, choose a waterproof (IP-rated) version instead.

Does it need a special controller?

Yes. To use the addressable effects it needs an SPI / DMX-compatible controller or decoder, plus a standard 24V DC driver for power.

More Information

More Information
HUE Color 3000K Warm White
Watts per meter 11
Water Resistance IP20 Non Waterproof
Voltage 24V
Lumens per meter 910
Number of LEDs/ Meter 480

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Addressable Digital SPI LED Strip Warm White 3000K

This addressable Warm White COB LED strip delivers a cosy, dot-free 3000K white on a single spotless 10mm tape, with each section individually controllable pixel by pixel over SPI or DMX. Unlike a standard single-colour white strip that lights up as one continuous run, this digital version lets you address the strip in segments - for running/chasing effects, sequential switch-on and zoned brightness control - all from one 24V strip.

Key Features

  • Addressable Digital SPI / DMX control: segment-level effects and sequential control, not just one static run of white
  • Warm White 3000K: cosy, homely tone for relaxed, comfortable spaces
  • COB Spotless design: continuous, dot-free line of light with no visible LED points
  • 420 LEDs/m: high density for smooth, even white output
  • 910 lm/m at 11 W/m on 24V: strong, efficient white output with lower voltage drop over long runs than 12V
  • 2oz copper paths + Double PCB Layer (PRO Version): more stable current delivery and better heat dissipation than single-layer strips
  • High colour accuracy Ra90: natural, true-to-life white rendering

Technical Specification

Parameter

Value

SKU

COBD-420-WW-503

Chip type

COB (Spotless)

Light type

Warm White (single colour)

Colour temperature

3000K (Warm White)

LEDs per metre

420

Voltage

24V DC

Power per metre

11W

Luminous flux

910 lm/m

CRI

Ra90

Ingress protection

IP20 (non-waterproof)

Strip width

10mm

Copper trace thickness

2oz

PCB layers

Double layer (PRO Version)

Control protocol

Addressable Digital SPI / DMX

Roll length

30m (full roll)

Which Version Should You Choose?

Choose this addressable Warm White version if you want segment-level control of a single warm white - running effects, sequential switch-on (great for stairs) or zoned dimming - rather than the whole strip behaving as one. If you simply need plain 3000K white that switches on together, a standard (non-addressable) white COB strip will be simpler and cheaper to run. The 3000K tone here is warm and cosy; pick 4000K for a neutral, daylight-balanced white. This is an IP20 strip for dry indoor use only; for moisture-prone areas (bathroom, kitchen splash zones, outdoors), choose a waterproof IP-rated version.

Applications

  • Staircase lighting with sequential/step-by-step switch-on effects
  • Cove and ceiling lighting where zoned or chasing white effects are wanted
  • Under-cabinet, shelf and wardrobe lighting in dry indoor areas
  • Bedroom, living room and hospitality lighting needing a warm, cosy tone
  • Displays and creative installations needing addressable white control

Installation

This strip runs on a dedicated 24V DC power supply and cannot be connected directly to mains - size the driver with roughly 20% spare headroom. Because it is addressable, it also needs a compatible SPI / DMX controller or decoder to drive the data line; a plain on/off or analog dimmer alone won't unlock the effects. Cut only at the marked cut points along the strip, and mount it in a suitable aluminium profile for the best heat dissipation and finish.

FAQ

What does "addressable" mean on a white strip?

The strip is divided into individually controllable segments, so you can run effects like sequential switch-on, chasing and zoned brightness — even though it's a single 3000K warm white rather than colour.

What's the difference between 3000K and 4000K?

3000K is a warm, cosy white that suits homely, relaxed spaces; 4000K is a neutral, daylight-balanced white that looks cleaner and more functional. Everything else about the strip stays the same.

Can I use this strip in a bathroom or outdoors?

No — it's rated IP20 with no protection against moisture. For wet or outdoor areas, choose a waterproof (IP-rated) version instead.

Does it need a special controller?

Yes. To use the addressable effects it needs an SPI / DMX-compatible controller or decoder, plus a standard 24V DC driver for power.

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