SpectraWILD M420 420W — LED Grow Light 120x60 | BloomLED

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SpectraWILD M420 - Full Spectrum LED Grow Light Bars - 420W - 120x60 - Samsung

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LED GROW LIGHTING

SpectraWILD M420: 420W of full spectrum for your 120x60 tent

Designed in France by BloomLED, the SpectraWILD M420 pairs Samsung top-bin diodes with a dimmable Meanwell driver to light a 120 x 60 cm grow space evenly, edge to edge. With 2.7 µmol/J efficacy, an IP65 rating and a 3-year warranty, this is the fixture we recommend to growers who want repeatable results harvest after harvest.

SpectraWILD M420 420W full spectrum LED grow light bars mounted in a 120x60 grow tent

Specification	SpectraWILD M420
Power draw	420 W
Optimal coverage	120 x 60 cm
Diodes	Samsung top-bin, full spectrum
Driver	Meanwell, 0-10V dimmable
Efficacy	2.7 µmol/J
Ingress protection	IP65
Control	SmartWILD console ready (sold separately)
Warranty	3 years, replaced with new
Reference	BL-SPECTRAW-M420

420 WTrue power draw

2.7µmol/J efficacy

120x60cm coverage

3 yrReplacement warranty

🌱 Full spectrum, no compromise

Samsung top-bin diodes deliver every wavelength photosynthesis actually uses, from vegetative blue through deep flowering red. Your plants get sunlight-like quality indoors, with no need to swap lamps between stages.

📐 Built around the 120 x 60

A bar format spreads light across the whole footprint instead of dumping it in the centre. No hot spot in the middle, no lagging plants at the edges — just even canopy development across the entire tent.

🎛️ Dimmable from 0 to 100%

The Meanwell driver accepts 0-10V control. Dial it down for cuttings and seedlings, then ramp up through flower. One fixture carries the full cycle without ever shocking the crop.

💧 IP65 sealed

Misting, high humidity, a proper wash-down between cycles — IP65 keeps water spray and dust out of the electronics. That matters far more than growers expect in a humid indoor space.

📱 SmartWILD compatible

Add the SmartWILD WiFi console and run the M420 from your phone: intensity control, sunrise and sunset simulation, and automatic dimming or shutdown if the tent overheats.

🛡️ 3-year replacement warranty

BloomLED has specialised in horticultural lighting for over 10 years. If the fixture fails, it is replaced with a new one for three full years. You invest without carrying the risk.

How high should I hang the SpectraWILD M420?

Around 30 cm above the canopy in flower, and 40-50 cm over seedlings or cuttings. If the top leaves start bleaching, raise the fixture or pull the dimmer back before changing anything else in your setup.

Does the M420 handle both veg and flower?

Yes. The full spectrum covers the entire cycle. Run it at roughly 50-70% in veg to keep plants tight, then take it to 100% as soon as you flip to flower to build dense, heavy tops.

What extraction do I need for 420W?

On a 120 x 60 tent, a 280-450 m³/h inline fan is a sensible starting point, adjusted for ambient temperature and ducting length. LED runs far cooler than an equivalent HPS, but you still need real air exchange.

How does it compare to a 400W HPS?

At similar power draw, the M420 delivers a far more precise spectrum and 2.7 µmol/J, where an HPS loses a large share of its energy as heat. You gain light quality, a cooler tent, and lower running costs over time.

Is the kit complete out of the box?

Yes. You get the LED bars, the waterproof driver, the mounting bracket and rope-ratchet hanging kit, an EU power cable, the link cable and the manual. The SmartWILD console is the only accessory sold separately.

Light requirements by crop (µmol/m²/s)

The M420 comfortably covers these ranges across 120 x 60 cm. Use the dimmer to match intensity to the crop and the current stage, rather than moving the fixture every time.

Crop	Vegetative stage	Flowering / fruiting stage
Tomatoes	200-300	350-450
Cucumbers	200-300	300-400
Peppers	200-300	350-450
Lettuce	220-260	—
Spinach	200-240	—
Culinary herbs	200-300	200-300
Strawberries	200-275	275-350
CBD hemp	300-400	400-600
Basil	200-300	200-300

Installation in 5 steps

The M420 ships as a ready-to-run kit. Budget about fifteen minutes, no special tools required.

Unfold the LED bars and check the kit contents.
Fit the driver bracket at the top of the tent.
Seat the waterproof Meanwell driver on its bracket.
Connect the driver to the bars using the link cable.
Hang the assembly on the rope ratchets and set the height above the canopy.

Samsung top-bin diodes, a Meanwell driver, IP65 sealing and a 3-year warranty — the SpectraWILD M420 is the fixture we run in our own 120 x 60 test tents.

✓ 3-year warranty✓ Designed in France✓ 10+ years expertise✓ Ready-to-run kit

Specific References
EAN13	3701048200625

Reference BL-SPECTRAW-M420

Product SpectraWILD M420 - Full Spectrum LED Grow Lights - 420W - 120x60 - Samsung ideal for professional use, personal use, performance. Quality and performance guaranteed.