I. Requirements Analysis

Suitable for long-distance public address and looped recorded announcements in emergency rescue and firefighting operations, freeing up manpower.

II. Product Features:

1. 20W High Power: Ultra-long transmission range. High-power broadcasting delivers a wide high-frequency range without distortion, offering strong penetration for broader and farther coverage;

2. 300-Second Loop Recording: Capture clear audio anytime, anywhere. Ideal for shopping mall promotions, search and rescue operations, and similar scenarios;

3. Dynamic Response with Rich Low-Frequency Texture: Flatter distortion curve and minimal distortion reveal richer sound details, delivering authentic high-fidelity audio quality;

4. Alarm Function: High-impact alert with penetrating sound projection;

5. Premium ABS Engineering Plastic: Piano-lacquered ABS chassis delivers premium texture and rugged durability, balancing aesthetics with practicality;

6. High-Capacity Durable Lithium Battery: 24-hour extended standby with a 3000mAh lithium battery for long-lasting performance.

III. Application Scenarios:

Emergency rescue and firefighting operations: Long-distance public address and looped recorded announcements.

IV. Product Specifications:

Serial No.	Item Name	Technical Parameters
1	Peak Decibel	100dB
2	Distortion Rate	8%
3	Dimensions	245mm*145mm
4	Output Impedance	80
5	Body Material	ABS Engineering Plastic
6	Peak Power	20W
7	Type Features	Handheld Outdoor Megaphone
8	Application Scope	Multi-purpose
9	Features & Functions	300-second recording, alarm notification, Volume Adjustment