24V 12W MR16 RGBW LED Spotlight – SPI WS2814 Pixel (50mm)

This is the SPI / pixel 12W version of our 50 mm RGBW spotlight. Same idea as the 6W SPI lamp, with a taller heatsink. It is not HL-RGBWW-PWM-24V-6W and it will not run on a PWM RGBW controller.

A WS2814 chip on the module makes each spotlight one pixel. You can set a different colour on every lamp in the chain. Wiring is three pins (24 V, 0 V and DATA) with JST in and out, not the five PWM cores (V+, R, G, B, W).

SPI version

• PWM 5-in-1 controllers (WT5, V5-L and the rest of that family) and analogue RGBW DMX decoders will not drive this lamp.
• Use this SPI version when each spotlight must be its own address — chases, different colours in one run, or a pixel show.
• Use the PWM sister when the whole group should be one colour on ordinary 5-wire RGBW control.

Controller

Pair it with a dedicated SPI pixel controller and set the chip type to WS2814 (RGBW, four channels). Do not choose WS2811 — that is RGB only. Leave the clock (CLK) terminal unused.

For app or RF control: HL-WT-SPI (WiFi) or HL-WZ-SPI (ZigBee, needs a Tuya ZigBee gateway). Optional 2.4 GHz remotes after you match them.

For DMX512 control, use a DMX-to-SPI decoder such as HL-DS-L. If the decoder must sit outdoors or in a wet location, use HL-DS-WP (IP65). Any other professional DMX512-to-SPI controller that supports WS2814 is also suitable — set the chip type the same way. Related products are listed below.

Daisy-chain DATA out of one lamp into the next. Keep the data run short (about 10 m, then a common-ground SPI splitter). 24 V power can be injected along the run if the chain is long. Count each lamp as one pixel on the controller.

Pinout (3-pin)

• Red: 24 V +
• Green: Data
• White: 0 V (GND)
• Data in: female connector (socket)
• Data out: male connector (pins)

Join male to female to daisy-chain. Do not swap 24 V and 0 V. The pinout diagram is in the photo gallery.

Ceiling mounting

Front diameter is 50 mm, the same as MR16 / GU10 downlights. We do not supply ceiling bezels; search for a 50 mm downlight bezel and check the cut-out before you order. Body height is about 60 mm — allow that clearance. The 6W SPI sister is shorter (about 40 mm).

Technical specifications
SKU: HL-RGBWW-SPI-24V-12W
Input: 24 V DC only
Power: 12 W nominal (size the driver for all four channels on)
Colour: RGBW, warm white 3000 K
Control: WS2814 SPI / pixel, 3-pin JST in and out
Pixels: 1 per lamp
Beam: 30°
Body: aluminium, about Ø50 × 60 mm
Use: indoor, dry location (IP20)
Sold: each, not in packs
Warranty: 5 years

Driver sizing

Use a 24 V constant-voltage driver. Size for every colour on, not for a typical mixed scene. Allow at least 20% spare. On site we prefer more headroom on a ceiling load — count about 18 W per 12 W lamp. Ten lamps are 120 W nominal: minimum 144 W, preferred around 180 W.

The 6W SPI sister is listed in Related products.

Must be installed by a qualified electrician. Confirm 24 V, WS2814 and data direction before first power-up.