LightBoard (2x Diablo QB)UV + IRDimmable

HLG 350 Diablo

HLG 350 Diablo 330W high-efficiency LED grow light with Diablo Quantum Board LEDs delivering 950 µmol/s at 2.8 µmol/J for 3x5 ft coverage.

PPF

950µmol/s

EFFICIENCY

2.8µmol/J

TRUE WATTS

330W

FLOWER COVERAGE

3x5

5-year warrantyMade in USA (TN & OH)

MSRP

$549

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Efficiency Analysis

A+

Excellent

Top-tier efficiency

Efficiency

Excellent2.8 µmol/J

PPF Output

Medium950 µmol/s

Power Draw

330 W

VS CATEGORY AVERAGE

Efficiency

2.8vs 2.4+17%

PPF Output

950vs 1200-21%

Power Draw

330vs 400-18%

Best For

🌸Flower coverage: 3x5

🌱Veg coverage: 5x5

⚡High-efficiency growing

Coverage Details

Flower

3x5

Recommended flower coverage

Veg

5x5

Recommended veg coverage

Hang Height (Flower)

15"

Recommended distance from canopy

Hang Height (Veg)

24"

Recommended distance from canopy

PPFD Coverage Map

124

181

234

275

298

275

234

181

124

181

254

322

375

404

375

322

254

181

234

322

404

470

507

470

404

322

234

275

375

470

548

594

548

470

375

275

298

404

507

594

652

594

507

404

298

404

507

594

652

594

507

404

298

275

375

470

548

594

548

470

375

275

234

322

404

470

507

470

404

322

234

181

254

322

375

404

375

322

254

181

124

181

234

275

298

275

234

181

124

0 ft3 ft

<400400-600600-800800-1000>1000

Hang Height18"

6"36"

AVERAGE PPFD

372µmol/m²/s

PEAK PPFD

652µmol/m²/s

MIN PPFD

124µmol/m²/s

UNIFORMITY

19%

ESTIMATED POWER COST

Daily

$0.48

Weekly

$3.33

Monthly

$14.26

Per Cycle

$57.02

4 months

$/kWh

Hours/day

Open Full PPFD Map Tool

Simulated based on 950 µmol/s PPF output, 120° beam angle, and 2-bar fixture geometry in a 3x5 ft area. Actual PPFD varies with environment, wall reflectivity, and other factors. Use the full PPFD Map tool for detailed multi-light simulations.

Features

🔆Dimmable

🔗Daisy Chain

🌈UV + IR

🔲Reflectors

⬛Dim to Off

🔌Remote Driver

Full Specifications

Performance

PPF950

Efficiency2.8

True Wattage330

SpectrumFull Spectrum White + Deep Red (660nm)

Beam Angle120

Coverage

Flower Coverage3x5

Veg Coverage5x5

Hang Height (Flower)15

Hang Height (Veg)24

Hardware

LED TypeCree LED

DriverInventronics

Form FactorBoard (2x Diablo QB)

Bar Count2

Bar Orientationdepth

Physical

Dimensions35" x 9.5" x 3.25"

Weight10 lbs

Width35

Depth9.5

Voltage120-277 VAC 50/60Hz

Max Ambient Temp40

Features

DimmableYes

Dimming Protocol0-10V, RJ11 Straight, Wireless

Daisy ChainNo

Controller Compatible0-10V, GrowFlux

UV + IRYes

CoolingPassive-Cooled

Other

Warranty5

CertificationsUL 8800, UL 1598, CSA, DLC

Made InUSA (TN & OH)

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FAQ — HLG 350 Diablo

What are the specs of the HLG 350 Diablo?

The HLG 350 Diablo is a light that draws 330W, outputs 950 µmol/s PPF at 2.8 µmol/J efficiency. View full specifications, analysis, and comparisons on Meridian.

Is the HLG 350 Diablo worth it?

The HLG 350 Diablo has an efficiency of 2.8 µmol/J and covers 3x5 for flower. Check specs, community data, and comparisons on Meridian to decide.

How much does the HLG 350 Diablo cost?

The HLG 350 Diablo has an MSRP of $549 and draws approximately 4.0 kWh/day at 12hr. Check current pricing on manufacturer and retailer sites.

Ready to grow with the HLG 350 Diablo?

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