Addressable Digital LED Strip Natural White • COB Spotless • 24V • 11W • 4000K • IP20 • 950lm • 10mm • SPI DMX • Ra90 • IC M16703A •

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COBD-420-NW-503
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Addressable Digital SPI LED Strip Natural White 4000K

This addressable Natural White COB LED strip delivers a clean, dot-free 4000K 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 built around an IC M16703A controller chip.

Key Features

  • Addressable Digital SPI / DMX control: segment-level effects and sequential control, not just one static run of white
  • Natural White 4000K: neutral, daylight-balanced tone with no yellow or blue cast
  • COB Spotless design: continuous, dot-free line of light with no visible LED points
  • 420 LEDs/m: high density for smooth, even white output
  • 950 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
  • IC M16703A onboard: defined addressable IC for controller compatibility

Technical Specification

Parameter

Value

SKU

COBD-420-NW-503

Chip type

COB (Spotless)

Light type

Natural White (single colour)

Colour temperature

4000K (Natural White)

LEDs per metre

420

Voltage

24V DC

Power per metre

11W

Luminous flux

950 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

IC type

M16703A

Roll length

30m (full roll)

Which Version Should You Choose?

Choose this addressable Natural White version if you want segment-level control of a single 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 4000K white that switches on together, a standard (non-addressable) white COB strip will be simpler and cheaper to run. The 4000K tone here is neutral and daylight-balanced; pick 3000K for a warmer, cosier feel. 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 and shelf lighting in dry indoor areas
  • 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 (IC M16703A), 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 4000K white rather than colour.

What IC does this strip use?

It's built around the M16703A addressable IC. Match your SPI / DMX controller or decoder to this IC for full compatibility.

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

4000K is a neutral, daylight-balanced white; 3000K is warmer and cosier. 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 (matched to the M16703A IC), plus a standard 24V DC driver for power.

More Information

More Information
HUE Color 4000K Natural White
Watts per meter 11
Water Resistance IP20 Non Waterproof
Voltage 24V
Lumens per meter 950
Number of LEDs/ Meter 480

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Addressable Digital SPI LED Strip Natural White 4000K

This addressable Natural White COB LED strip delivers a clean, dot-free 4000K 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 built around an IC M16703A controller chip.

Key Features

  • Addressable Digital SPI / DMX control: segment-level effects and sequential control, not just one static run of white
  • Natural White 4000K: neutral, daylight-balanced tone with no yellow or blue cast
  • COB Spotless design: continuous, dot-free line of light with no visible LED points
  • 420 LEDs/m: high density for smooth, even white output
  • 950 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
  • IC M16703A onboard: defined addressable IC for controller compatibility

Technical Specification

Parameter

Value

SKU

COBD-420-NW-503

Chip type

COB (Spotless)

Light type

Natural White (single colour)

Colour temperature

4000K (Natural White)

LEDs per metre

420

Voltage

24V DC

Power per metre

11W

Luminous flux

950 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

IC type

M16703A

Roll length

30m (full roll)

Which Version Should You Choose?

Choose this addressable Natural White version if you want segment-level control of a single 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 4000K white that switches on together, a standard (non-addressable) white COB strip will be simpler and cheaper to run. The 4000K tone here is neutral and daylight-balanced; pick 3000K for a warmer, cosier feel. 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 and shelf lighting in dry indoor areas
  • 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 (IC M16703A), 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 4000K white rather than colour.

What IC does this strip use?

It's built around the M16703A addressable IC. Match your SPI / DMX controller or decoder to this IC for full compatibility.

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

4000K is a neutral, daylight-balanced white; 3000K is warmer and cosier. 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 (matched to the M16703A IC), plus a standard 24V DC driver for power.

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