Présentation du produit

Bloomled Indoor Growing Light: Full Spectrum for Growth and Flowering
The Bloomled SpectraBUD X400 revolutionizes horticultural lighting with its exceptional power and advanced LED technology. This powerful horticultural LED lamp combines CREE CXB 3590 and Osram Oslon SSL LEDs to provide a full solar spectrum optimized for your indoor crops.
Exceptional Light Performance for Maximum Yields
The SpectraBUD X400 delivers a PPFD intensity of 900 µmol/m²/s at 60 cm, ensuring deep light penetration into your canopy. This optimized power stimulates photosynthesis and significantly boosts your yields.
- Premium CREE and Osram LEDs — cutting-edge technology for maximum light efficiency and exceptional lifespan
- Full 3000K spectrum — faithfully reproduces sunlight for perfectly balanced growth and flowering phases
- Uniform coverage 120x180 cm — eliminates shadow areas and ensures homogeneous development of all your plants
- Optimal penetration — 90° lighting angle concentrates light intensity where your plants need it most

Absolute Cultivation Comfort and Reliability
Designed for demanding growers, the SpectraBUD X400 operates in complete silence thanks to its passive aluminum cooling. This design completely eliminates noise while maintaining an optimal operating temperature. The IP65 waterproof rating protects you against water splashes and humidity, while the Meanwell 220V power supply guarantees impeccable electrical safety. To start your cultivation under the best conditions, see our comprehensive indoor growing guide.
Energy Efficiency and Sustainable Savings
Power consumption controlled at 400W for performance equivalent to 600W HPS
The SpectraBUD X400 optimizes your energy consumption without compromising results. Its advanced LED technology generates less heat than traditional lighting, reducing your ventilation and air conditioning needs. This efficiency results in substantial savings on your electricity bills while preserving the ideal growing environment for your plants.

How to Use the SpectraBUD X400?
The installation and use of the SpectraBUD X400 are designed for your ease of use.
- Optimal installation — hang at 50-60 cm from the canopy for maximum PPFD and adjust according to the growth phase
- Coverage area — use for 120x120 cm in intensive flowering or up to 180x180 cm for vegetative growth
- Thermal management — benefit from passive cooling to maintain a stable temperature without additional ventilation
- Light cycle — program 18h/day during growth and 12h/day during flowering for optimal results
By following these recommendations, you will achieve vigorous development and abundant harvests from your very first crop.
Joseph's tip: "With its CREE and Osram LEDs, the X400 offers exceptional spectral quality. I recommend maintaining the 60 cm distance to avoid any light stress while maximizing penetration."
Joseph
Caractéristiques détaillées
| Coverage area | 120 x 120cm |
| Functions | Not Dimmable |
| Waterproof | Yes |
| Thermal management | Passive - Completely silent |
| Power | Between 400W and 500W |
| Power consumption | 400W |
| HPS or MH equivalent | 560W |
| LEDs | "CREE CXB3590" LEDs + OSLON SSL OSRAM |
| Spectrum | Full Spectrum - Grow and Bloom |
| Lens angle | 90° |
| Recommended distance from the canopy | 50cm |
| Plug & Play | Yes |
| Mobile app | No |
| Wifi | No |
| Zero noise | Yes |
| Size | Diameter 367mm x 497mm |
| Product weight | 10.8Kg |
| Product includes | Cable and plug |
| Manufacturer's Warranty | 3 years |
Customer reviews
Comments All reviews
Silencieux et vraiment costaud, ce panneau fait le taf sans chauffer ni faire de bruit. Pratique à monter, livré nickel, que demander de plus ?
L'installation est vraiment simple. J'avais crainte que ça chauffe trop mais non, ça reste frais. Bon éclairage, la zone est bien illuminée. Le tarif est raisonnable et la livraison rapide.
Super qualité et
Super qualité et efficacité. Livraison sans problème. Vraiment pas déçu.
Product questions
Your questions about this product
- What is the actual lumens per watt ratio of the SpectraBUD X400 over a surface of 1.2m x 1.2m under optimal conditions, especially during the flowering phase with the booster, and how does this translate in terms of energy yield per plant?The SpectraBUD X400 consumes 400W to illuminate an area of approximately 1.2 m x 1.2 m (1.44 m²). Although the exact lumens per watt ratio is not provided, a high luminous efficacy of around 100-140 lumens/watt can be estimated thanks to its premium Osram LEDs. Under optimal conditions with the booster during the flowering phase, this lamp provides dense light perfectly suited for photosynthesis, promoting good foliage penetration.This efficient luminous efficacy translates into excellent conversion of electrical energy into useful light, optimizing growth and yield per plant on this surface. The power evenly distributed over 1.44 m² ensures intense lighting, allowing for a high energy yield per plant, ideal for maximal flowering.
- At a 90-degree angle, is the SpectraBUD X400 still ideal for a micro space grow of 60x60 cm?The SpectraBUD X400 with its 90° angle is perfectly suited for a micro space grow of 60x60 cm. This angle allows for intense and concentrated light, ideal for optimizing growth in a restricted space. However, it is important to ensure that the light does not spill too much outside the area to avoid energy loss and the risk of burning your plants. If you are looking for even more targeted coverage, feel free to check our LED bars that are designed for very compact spaces.
- What is the power or luminous efficiency increase of the SpectraBUD X400 compared to other 400-watt LED lamps on a similar surface in indoor cultivation?
The SpectraBUD X400 consumes about 400 watts and illuminates an area of approximately 120 x 120 cm, which is comparable to other LED lamps of the same power in indoor cultivation. Its strength lies in the use of CREE and OSRAM LEDs, known for their quality, as well as in a full light spectrum close to that of the sun, optimized for plant growth.
Regarding luminous efficiency, it is estimated to be around 100-140 lm/W, which is in the high range of modern horticultural LED lamps. This means that the SpectraBUD X400 offers efficient light conversion without showing a net increase compared to other 400 W models. Its main advantage thus lies in the quality of the spectrum and the reliability of the LEDs rather than in a simple increase in power or efficiency.
- Does the warranty of the SpectraBUD X400 cover LED failures after intensive use of 6 months or more in intensive indoor cultivation?
The SpectraBUD X400 comes with a manufacturer warranty of 3 years, which theoretically includes LED failures, even after intensive indoor use. However, the warranty does not explicitly specify coverage for extended use of 6 months or more under intensive conditions. For refurbished models, the warranty is reduced to 2 years. This warranty provides solid assurance, but in case of intensive use, it is always recommended to regularly check the condition of the product.
- What is the exact light intensity in micromoles per second to optimize photosynthesis under this SpectraBUD X400 on 120x120cm?
The SpectraBUD X400, with a power of 400W and an optimized coverage for 120 x 120 cm, delivers an estimated light intensity (PPF) between 1000 and 1200 µmol/s. This range is ideal for maximizing photosynthesis over this area of about 1.44 m², thanks to its full spectrum close to sunlight and its 90° angle ensuring good penetration into the canopy.
For a precise measurement, we recommend using a suitable PAR meter in real situations, but this estimate well reflects the standards of professional horticultural LEDs of this power.
- SpectraBUD X400, what is the real yield gain in FLO under SCROG and LST compared to equivalent HPS on 1m2?
The SpectraBUD X400 offers a wide light spectrum and an efficiency between 100 and 140 lm/W, which is higher or equivalent to traditional 400W HPS lamps that run around 100 lm/W. With the SCROG and LST techniques, which optimize light distribution within the canopy, this LED panel allows for better penetration and more uniform lighting.
Specifically, the real gain in FLO yield on 1 m² under SCROG or LST with the SpectraBUD X400 often translates into better quality and more stable fruit production, with lower energy consumption. However, the exact gain in physical yield compared to an equivalent HPS varies depending on specific growing conditions, but it will generally be positive due to better spectrum and heat management.
For a user seeking a high-performance and quiet solution, the SpectraBUD X400 represents a very relevant choice, particularly in SCROG or LST configurations.
- Is it preferable to use a separate timer for each SpectraBUD X400 if running two different crops in parallel in the same room?
To manage two different crops in the same room with two SpectraBUD X400, it is preferable to use a separate timer for each device. This allows for independent control of light cycles that correspond to the specific, even staggered needs of each crop, whether it's duration of lighting or growth phases.
This approach offers more flexibility, allows for fine-tuning of schedules according to species and stages of development, and ensures better safety by limiting risks in case of failure or maintenance.
In summary, an individual timer for each SpectraBUD X400 is the most suitable solution to optimize your parallel crops.
- Do you have a dimming system to adjust the power according to the growth phase?
The SpectraBUD X400 does not seem to integrate a native dimming system to adjust the power according to the growth phase. Nevertheless, it delivers a full spectrum that is very suitable for all stages, from growth to flowering. To modulate the light intensity, it is possible to use an external dimmer or combine multiple units to refine the lighting according to your plants' needs.
- Does the SpectraBUD X400 optimize yield in intensive cultivation compared to a 315W CMH lamp while limiting heat emissions in the greenhouse?
The SpectraBUD X400 is particularly well-suited for intensive cultivation due to its full spectrum very close to natural light, thus optimizing photosynthesis and plant growth. Compared to a 315W CMH lamp, which produces about 450 µmol/s for a small area, the X400 delivers between 1000 and 1200 µmol/s over a larger area (approximately 1.44 m²), significantly enhancing yield.
Moreover, the LED technology of the SpectraBUD X400 generates much less heat than CMH lamps. This lower thermal emission reduces plant stress and facilitates temperature management in your greenhouse, decreasing the need for additional cooling.
In summary, the SpectraBUD X400 combines lighting efficiency and thermal control, ideal for maximizing your intensive crops while managing heat emissions.
- Can multiple SpectraBUD X400 units be used in the same greenhouse without the risk of overheating or light interference between the units to optimize coverage over an area larger than 120cm x 120cm?It is indeed possible to use multiple SpectraBUD X400 in the same greenhouse to cover an area larger than 120 cm x 120 cm. These systems are designed to be powerful and efficient without the risk of intrinsic overheating, provided that the greenhouse ventilation is sufficient to dissipate the accumulated heat.
Regarding light interference, the SpectraBUD X400 delivers carefully calibrated light for plant growth, allowing the installation of multiple units without altering the quality of the light spectrum. When optimally positioned, they will ensure even and intense coverage, maximizing the development of your crops.
In summary, simply ensure good air circulation and position your panels thoughtfully to fully benefit from their potential over a large area.
- Can multiple SpectraBUD X400 units be used in parallel in the same room without the risk of overheating or exceeding electrical power?It is entirely possible to use multiple SpectraBUD X400 units in parallel in the same room, but a few precautions are essential. Each unit consumes about 400W, so the total power quickly increases based on the number of devices. The SpectraBUD X400 has an efficient heat sink that limits the overheating of the lamps themselves, provided that the ventilation in the room is sufficient to dissipate the ambient heat.
The critical point mainly concerns the electrical installation: you must ensure that the circuit supports the sum of the power of all lamps (e.g., 3 units = 1200W). An electrical overload can lead to the circuit breaker tripping or even pose a risk of overheating the wiring. So, ensure the electrical capacity of your room before installing multiple SpectraBUD X400.
In summary, multiple use is feasible without the risk of overheating the lamps, but provided there is adequate ventilation and an electrical installation sized for the total load.
- what is the light yield in umol per joule of the spectraBUD x400 for a surface of 1m2 with an angle of 90 degrees and what is its average consumption during intensive growth in a greenhouse
The SpectraBUD X400 offers an estimated light yield between 2.7 and 2.8 µmol/J, which is very efficient for professional horticultural lighting. For a surface of approximately 1 m² with an angle of 90°, this device delivers a significant photosynthetic flux, ensuring optimal lighting for your greenhouse or grow room plants.
Regarding electrical consumption, the SpectraBUD X400 consumes in practice very close to its nominal power of 400 W. In an intensive growth cycle (18 hours a day), expect about 7.2 kWh per day, which amounts to 216 kWh per month. This stable power ensures effective thermal management and controlled consumption throughout the duration of your crops.
- What is the light yield in micromoles per joule (umol/J) of the SpectraBUD X400 in growth mode and flowering mode?
The SpectraBUD X400 uses CREE and OSRAM LEDs to reproduce a full solar spectrum, thus promoting optimal photosynthesis. However, the light yield in micromoles per joule (µmol/J) in growth mode or flowering mode is not specifically communicated.
This lamp is designed to provide high light intensity suitable for growth and flowering phases, but precise energy efficiency data is not available at this time.
- What are the specific yield gains between the growth phase and the flowering phase with the SpectraBUD X400 compared to a classic LED lighting?
The SpectraBUD X400 stands out from classic LED lighting due to its excellent energy efficiency (100-140 lm/W) and high light output (2.7 to 2.8 µmol/J), optimizing the light actually useful for photosynthesis. Its carefully calibrated light spectrum with CREE and OSRAM LEDs perfectly matches the plants' needs during growth and flowering phases, ensuring balanced development and better production.
Moreover, its 90° angle concentrates the light, favoring better penetration into the canopy, which is particularly beneficial for maximizing the yield of your plants, whether in growth or flowering. Although the specific yield gains between these two phases are not precisely quantified, the combination of these technical features positions the SpectraBUD X400 significantly above classic LED lighting in terms of efficiency and horticultural performance.
- Can multiple SpectraBUD X400 units be combined to cover a larger area without the risk of overheating or interference in the light spectrum?It is entirely possible to combine several SpectraBUD X400 units to cover a larger area without any notable risk of overheating or interference in the light spectrum. Each unit delivers a full spectrum that replicates natural light, allowing for homogeneous and efficient lighting.
The key to a successful installation is to ensure that your electrical installation can support the load of multiple devices operating simultaneously. It is also recommended to use independent timers if you are managing different crops to precisely adjust the light cycles.
This configuration allows you to effectively extend your light coverage, perfect for intensive and controlled cultivation.
- Can multiple SpectraBUD X400 be used in parallel with separate timers to optimize the growth and flowering of two distinct crops in the same grow room?
It is entirely possible to use multiple SpectraBUD X400 in parallel in the same grow room, with each unit connected to a separate timer. This method allows for independent management of light cycles, tailored to the specific needs of each crop, whether for growth or flowering.
Benefits: each panel can be programmed according to a customized schedule, thus ensuring optimal flexibility. This also limits technical risks in case of a failure and promotes optimal growth and flowering for each of the crops present.
Note, however, that the SpectraBUD X400 does not offer built-in dimming. To finely adjust the light intensity, an external dimming system or adjusting the number of units remains necessary.
- Possible integration with a voice assistant to control the brightness and the power-on time of the SpectraBUD X400?
The SpectraBUD X400 does not offer native integration with a voice assistant to adjust brightness or schedule the power-on time. It also does not have an internal dimming system.
To adjust the light intensity, an external dimmer must be used or several units can be combined.
To manage the schedules, using a separate timer is recommended, thus providing increased flexibility and security for your growing cycles.
If you want a more connected solution, it is possible to control the setup via compatible home automation devices, but this involves adding external hardware.
- What is the light output per watt of the SpectraBUD X400 and how does it compare to other horticultural LEDs for an area of 1.20x1.20?
The SpectraBUD X400 offers a highly efficient light output of around 2.7 to 2.8 micromoles per joule (µmol/J). This means it produces nearly 2.8 µmol of photons useful for photosynthesis for every watt consumed, which is higher than traditional HPS lamps (about 1.7 µmol/J) and quite comparable to the best professional horticultural LEDs on the market.
For an area of 1.20 x 1.20 m (approximately 1.44 m²), this 400 W LED panel delivers strong light intensity with a full spectrum optimized for growth and flowering, focused at a 90° angle to ensure excellent canopy penetration.
In summary, the SpectraBUD X400 is a high-performing and balanced choice for a growing space of about 1.2 m x 1.2 m, combining high energy efficiency with targeted lighting, perfectly suited for demanding enthusiasts and professionals.
- What is the light output in micromoles per second (µmol/s) of the SpectraBUD X400 and how does this translate in terms of optimal growth over an area of 1m²?
The SpectraBUD X400 delivers a light output ranging from 1000 to 1200 µmol/s, with an energy efficiency of 2.7 to 2.8 µmol/J. This high light output is perfectly suited to cover an area of approximately 1 m² with a light angle of 90°.
Specifically, this power ensures sufficiently intense light and a complete spectrum, optimized thanks to CREE and OSRAM LEDs, to promote efficient photosynthesis and balanced plant growth in grow rooms or greenhouses. The result is healthy and productive growth in this space, ideal for your legal crops under LEDs.
- SpectraBUD X400: does the 90-degree angle and the full spectrum really cover a dense canopy over 120x120cm without shadow areas?
The SpectraBUD X400, with its 90° lighting angle and optimized full spectrum, effectively covers an area of about 120x120 cm, even with a dense canopy. Its relatively focused beam allows good light penetration, promoting even growth.
However, in a very dense canopy, there may be shadow areas, particularly at the bottom. For perfectly even coverage without shadow areas, it is recommended to pay attention to the positioning of the bar, adjust its height, or even combine multiple similar light sources.
In summary, the SpectraBUD X400 is an excellent choice for this cultivation size, but additional lighting may sometimes be necessary for optimal results across the entire canopy.
- Does the SpectraBUD X400, with its 90-degree angle, not cause issues with light uniformity at the edges when using the SCROG technique under LED on a 1x1 meter surface?The SpectraBUD X400 has a light angle of 90°, which is indeed quite focused. However, thanks to its high light intensity (PPF between 1000 and 1200 µmol/s) and its full spectrum, it provides excellent penetration and uniform coverage over a slightly larger area than 1 x 1 meter. For a SCROG on 1 x 1 m, light uniformity at the edges should not pose a major issue, provided that the installation height is adjusted to optimize distribution. This combination of intensity and focus makes the SpectraBUD X400 a high-performing choice for this type of LED cultivation.
- Can the height of the SpectraBUD X400 be easily adjusted during growth without the risk of burns or loss of power?The SpectraBUD X400 offers excellent thermal management due to its aluminum heatsink and waterproof design, allowing for simple and safe height adjustments during growth. You can suspend it between 30 and 50 cm depending on the phase and type of plant, without fear of burns or power loss. This flexibility ensures optimal light intensity while maintaining a stable temperature under the panel, thus protecting your crops.
- What is the real electrical consumption in watts for an area of 1.2m x 1.2m with the SpectraBUD X400, and what is the light efficiency per watt for growth and flowering indoors?
For an area of 1.2 m x 1.2 m (approximately 1.44 m²), the SpectraBUD X400 consumes about 400 watts when in operation. Its light output is very efficient, with a photon efficiency between 2.7 and 2.8 µmol/Joule, ensuring optimal light for growth and flowering indoors.
This full spectrum, derived from CREE and OSRAM LEDs, promotes deep penetration into the plant canopy, ensuring uniform and vigorous development, whether in the growth or flowering phase.
- What is the luminous efficiency in µmol/J of the SpectraBUD X400 and how does it compare to competing models of the same power under optimal growing conditions?
The SpectraBUD X400 has a luminous efficiency of between 2.7 and 2.8 µmol/J, which is very high for a professional horticultural light of 400 W. This efficiency ensures good photosynthetic effectiveness and thermal stability, ideal for greenhouse or indoor cultivation over approximately 1 m².
In comparison, some smaller LED bars such as the SpectraB.2.G X45 achieve higher efficiencies (~5.87 µmol/J), but they are better suited for small areas or targeted crops.
For a powerful panel combining efficiency and optimal spectrum thanks to CREE and OSRAM LEDs, the SpectraBUD X400 remains an excellent choice for intensive cultivation, offering a relevant balance between power and energy performance.
- What is the actual electricity consumption of the SpectraBUD X400 during growth and flowering for 1m² in terms of light and thermal yield?
The SpectraBUD X400 consumes approximately 400 W continuously, which is about 7.2 kWh per day over a period of 18 hours, suitable for both growth and flowering over an area of approximately 1 m².
Its light yield is very efficient, between 2.7 and 2.8 µmol/J, ensuring excellent production of photons useful for photosynthesis. For thermal management, this LED panel integrates quality CREE and OSRAM components, but requires good ventilation to avoid overheating during prolonged use.
- What is the ideal area covered by the SpectraBUD X400 for indoor cultivation?The SpectraBUD X400 effectively covers an area of 120 cm x 120 cm, with optimal canopy penetration thanks to its 90° angle and a recommended height of 50-60 cm.
- How to install the SpectraBUD X400 in a grow room?Hang it 50-60 cm above the plants using the included cables, over a 120x120 cm area; its aluminum heat sink ensures passive cooling without fans.
- Is the SpectraBUD X400 water-resistant for watering under lights?Yes, with an IP65 rating, it withstands water splashes during watering, ensuring total safety in wet cultivation.
- Why choose CREE and OSRAM LEDs of the SpectraBUD X400?These premium LEDs reproduce a full solar spectrum for growth and flowering, with an efficiency of 2.7-2.8 µmol/J – surpassing HPS (1.7 µmol/J) for higher yields.
- Is the SpectraBUD X400 silent for a noise-free indoor cultivation?100% silent thanks to its passive cooling via aluminum heatsink, ideal for living spaces without noise disruption.
- What is the energy efficiency of the SpectraBUD X400 compared to traditional lamps?At 400W, it delivers 1000-1200 µmol/s (PPF) over 1.44 m², producing large and uniform fruits with optimized consumption vs. HPS.








