- Small and loud bang firecrackers with whistling fuse, price per pack of 20 pieces. NEC 40g. The product is CE certified cat F3
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X-Shock 2G H3WHI F3 50/20 – F3 Bang Firecrackers
X-Shock 2G H3WHI by Gaoo Fireworks is a high-impact set of F3 category bang firecrackers designed for those seeking more than just a classic loud report. Manufactured by Gaoo Fireworks, a respected name in the pyrotechnic industry, this product combines a traditional powerful bang effect with a dynamic whistling sound for an enhanced acoustic experience. These firecrackers are intended for users who appreciate quick, punchy, and characteristic sound effects in their display.
Each X-Shock 2G H3WHI firecracker is a fuse-ignited banger (not a rocket, fountain, or aerial shell) optimized for delivering an aggressive acoustic sequence culminating in a clear, distinctive whistle. The combination of a strong burst and a preceding whistle makes these firecrackers easily distinguishable during use and adds an extra level of intensity compared to standard products that focus solely on a single loud bang.
This model is offered in packs containing 20 pieces, featuring a total net explosive content (NEC) of 40 grams per pack. The product is certified in the F3 category and marked with the CE symbol, confirming its compliance with EU safety requirements for consumer fireworks with higher power. As with all F3 firecrackers, correct handling and adherence to all safety guidelines is essential.
Technical Specifications of X-Shock 2G H3WHI F3 50/20
- Product type: F3 bang firecrackers (fuse ignition)
- Manufacturer: Gaoo Fireworks
- Product series: X-Shock 2G H3WHI
- Category: F3 (CE certified)
- Pieces per pack: 20
- NEC: 40 g per package
- Manufacturer code: 5906058989371
- Effect type: Loud bang with whistle effect
What Effect Does X-Shock 2G H3WHI F3 50/20 Produce?
X-Shock 2G H3WHI delivers a robust sound effect comprised of a sharp whistle followed by a forceful bang. The whistle effect introduces an element of surprise and adds dynamism to each ignition, setting it apart from traditional bangers that focus solely on a high-volume report. This sequence increases the product’s audibility and makes it a unique addition to any fireworks selection. There are no confirmed flash or visual effects; the focus is entirely on the acoustic performance.
What Should You Consider When Choosing These Firecrackers?
When selecting F3 bang firecrackers like X-Shock 2G H3WHI, pay careful attention to the certified category, number of pieces per package, the stated NEC, and especially the combination of effects. The F3 classification indicates that these are consumer fireworks with increased power and should only be used by adults familiar with pyrotechnic safety guidelines.
The 40 g NEC per 20 firecrackers provides a tangible measure for comparison but does not directly translate to loudness, as performance depends on the internal construction, quality of composition, and the combination of bang and whistle effects. Always follow the manufacturer’s instructions, maintain a safe distance, and use only outdoors in accordance with local regulations.
Firecrackers with a whistle effect, such as this model, are an excellent choice for users looking to add character and clear acoustic signals to their event or display. They can effectively complement visual pyrotechnics like cakes, rockets, fountains, and compounds, providing a powerful, rapid audio accent.
FAQ – Frequently Asked Questions
- What effect does X-Shock 2G H3WHI produce?
This firecracker produces a sequence of a prominent whistle followed by a loud bang. - Are these fuse-ignited firecrackers?
Yes, these are fuse-ignited F3 bang firecrackers designed for outdoor use. - How many pieces are included in each pack?
Each pack contains 20 firecrackers. - What is the total NEC of the package?
The total net explosive content is 40 grams per package. - Which CE category do these firecrackers belong to?
X-Shock 2G H3WHI holds F3 CE certification. - Who manufactures this product?
The firecrackers are produced by Gaoo Fireworks. - Are these standard bangers?
These are classic bang firecrackers but with the added whistling effect for enhanced acoustic performance. - Who should choose this product?
Suitable for users seeking F3-class bang firecrackers with a distinctive whistle and who value a pronounced, dynamic audio sequence over pure visual effects.
Explore More Firecrackers and Pyrotechnic Sound Emitters
Discover a wide range of firecrackers, sound emitters, and fireworks in our online store—from classic bangers and whistling firecrackers to specialist sound effects, cakes, rockets, fountains, and complete compound sets.


