The HLLO 105dB Mini Megaphone is a compact, lightweight bullhorn that delivers 105dB of clear sound over up to 150 metres. Featuring a built-in siren, adjustable volume control, and voice recording and playback, it's a versatile and portable solution for sports coaching, events, and outdoor activities. Battery powered for fully mobile, cable-free use.
Powerful 105dB output projects your voice clearly up to 150 metres — ideal for sports fields, outdoor events, and gatherings.
Instantly activate the siren mode to grab attention quickly in any environment.
Easily adjust the output level to suit your surroundings — from quieter settings to full projection.
Record a message and play it back on continuous loop — great for repeated announcements without tiring your voice.
Lightweight and easy to carry, making it ideal for use on the go at sports events, school trips, and outdoor activities.
Runs on 4 × C batteries for reliable, fully mobile operation — no cables or charging required.
| Sound Output | 105 dB |
| Range | Up to 150 metres |
| Siren | Yes — built-in |
| Volume Control | Yes — adjustable |
| Voice Recording & Playback | Yes |
| Horn Diameter | 140 mm |
| Length | 222 mm |
| Weight | 428 g |
| Power Source | 4 × C Batteries (not included) |
| Design | Mini / Compact |
| Colour | White |
| Brand | HLLO |