Types of Speakers Commonly Used in Advertising Displays
Advertising displays typically select speakers based on usage scenarios, sound quality requirements, and device size. Below are common speaker types and their characteristics:
1. Full-Range Paper Cone Speaker (Most Common)
Features:
Size: 2~4 inches (e.g., 40mm, 50mm)
Impedance: 4Ω~8Ω
Power: 3W~10W (suitable for small/medium-sized displays)
Material: Paper cone diaphragm, natural sound, low cost
Applications: Indoor advertising displays, building information screens, small digital signage
2. Dual Stereo Speaker System (Mid-to-High-End Displays)
Features:
Configuration: Two full-range speakers (e.g., 2×5W or 2×8W)
Advantage: Enhanced stereo effect, wider sound coverage
Applications: Shopping mall displays, airport/train station info screens
3. Waterproof/Dustproof Speaker (Outdoor Displays)
Features:
Protection Rating: IP65 or higher (dustproof & waterproof)
Power: 10W~20W (increased volume for outdoor use)
Applications: Bus stop ad screens, outdoor LED displays
4. Ultra-Thin Speaker (Slim Displays)
Features:
Thickness: <10mm (ideal for embedded designs)
Power: 2W~5W (suited for compact devices)
Applications: Wall-mounted displays, elevator ad screens
5. Multi-Way Speaker System (Premium Displays)
Features:
Configuration: Tweeter (high-frequency) + Woofer (mid-low frequency)
Advantage: Clearer sound, better frequency separation
Applications: High-end commercial displays, conference presentation screens
Selection Guide
Small Indoor Displays: 4Ω 3W~5W full-range speaker
Mall/Transport Hub Displays: 2×8W stereo speakers
Outdoor Displays: 10W+ waterproof speakers
For custom requirements (e.g., impedance, power, size adjustments), consult manufacturers.
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