The item works perfectly right out of the box. No complaints so far.
National Trumpet Speaker CY-612SD Megaphone Street Announcement
Product Details
High-output 50W National trumpet speaker with a frequency range of 400-20000Hz for clear sound quality.
- Brand: National
- Model: CY-612SD
- Impedance: 16ฮฉ
- Output: 50W
- Frequency Range: 400-20000Hz
Thank you for looking.
This is a megaphone speaker.
I used it for street announcements.
It has a really good sound projection. The sound quality is quite good.
Depending on your amplifier, it will definitely stand out.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.


