Last updated: 5 Jun 2026 | 27 Views |
Khun Ek, owner of a karaoke venue on Ratchada Road in Bangkok, has dozens of fully sealed, air-conditioned singing rooms. Customers rotate through all night, passing the microphone hand to hand, singing into the same mic, eating and drinking in the same room. One day a group called to complain that after their party at the venue, nearly the whole table came down with the flu at once.
Khun Ek pictured it instantly: a mic held to mouth after mouth without disinfection, a sealed room with no air exchange, and sofas shared all night, a perfect recipe for transmission. In nightlife, where customers come for fun, no one wants to go home with the flu.
Karaoke rooms are built soundproof and sealed, so air barely moves. Loud singing produces many droplets aimed straight at the microphone, which passes mouth to mouth across the whole group, along with the remote, sofa and glasses in the same room, a perfect transmission path.
The World Health Organization (WHO) lists poorly ventilated enclosed spaces with people gathered closely for long periods as high-risk for respiratory transmission. A mic held directly to the mouth is an excellent germ carrier.
Health: Customers risk flu and respiratory viruses from the mic and the closed-room air.
Finance: Loyal booking groups vanish, room bookings fall, and in fiercely competitive nightlife, losing regulars hits revenue immediately.
Reputation: Reviews or word of mouth that "we all got sick after karaoke there" deters new groups from booking.
Wiping the mic with tissue and spraying air freshener is not enough, germs in the mic-head foam, remote, sofa and the sealed-room air remain. Disinfection must consistently cover equipment and air in every room.
Khun Ek chose the AIROFOG U260 ULV fogger from Germany, fogging every singing room after customers leave and before each new day. Its 15-30 micron droplets reach the mic head, sofa and sealed-room air. With certified disinfectant, it cuts germs by over 99.99%.
Before: Sealed karaoke rooms, an un-disinfected shared mic, whole groups falling sick, bookings dropping.
After: Daily ULV fogging of every room leaves mics and air clean, customers trust, and the venue markets "every room disinfected daily, sing safely".
"Once we posted that every room is disinfected daily with a hospital-grade machine, loyal groups booked us full again, praising our attention to cleanliness." — Khun Ek, karaoke venue owner
Q: Will fogging damage the mics?
A: Set a fine mist at a distance; it will not soak mic heads or electronics.
Q: Is there time between customers?
A: Yes, the powerful motor fogs a room fast and the air is ventilated before the next group.
Q: Where can I see the price?
A: See the AIROFOG U260 product page or call 065-556-6294.
See product and price: AIROFOG U260 ULV
Free consultation: 065-556-6294 | LINE @whd268
Related links: All ULV machines | Disinfection service | Chemgene disinfectant
References: WHO | Dept. of Disease Control
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AIROFOG U260 ULV fogging machine for karaoke venue disinfection, preventing flu from shared mics in sealed rooms, 99.99% germ reduction, hospital standard.