| General Data | Unit | ||
| Overall Dimensions | 78*50 | mm | |
| Nominal Power Handling | 20 | W | |
| Transient Power 10ms | 40 | W | |
| Sensitivity | 87 | dB | |
| Frequency Response | 146-18K | Hz | |
| Cone Material | Paper | ||
| Net Weight | 0.43 | kg | |
| Electrical Data | |||
| Nominal Impedance | 4 | Ohm | |
| DC Resistance | 3.2 | Ohm | |
| Voice Coil and Magnet Parameters | |||
| Voice Coil Diameter | 19.4 | mm | |
| Voice Coil Height | 8 | mm | |
| HE Magnetic Gap Height | 4 | mm | |
| Max.Linear Excursion | 2 | mm | |
| Voice Coil bobbin | Kapton | ||
| Voice Coil Wire | Copper | ||
| Number Of Layers | 2 | layers | |
| Magnet System Type | High Flux Ferrite | ||
| BL Product | 2.78 | N.A | |
| T-S Parameters | |||
| Suspension Compliance | Cms | 0.59 | |
| Mechanical Q Factor | Qms | 3.23 | |
| Electrical Q Factor | Qes | 0.74 | |
| Total Q Factor | Qts | 0.6 | |
| Moving Mass | Mms | 1.98 | |
| Eq.Cas Air Load( liters) | VAS | 0.77 | Liter |
| Resonant Frequency | Fs | 146 | Hz |
| Effective Piston Area | SD | 30.1 | cm² |
Applications:
- Public Address Systems: Ensures clear speech projection in auditoriums, classrooms, and event spaces.
- Portable Audio Systems: Ideal for compact PA setups and mobile audio solutions.
- OEM Audio Integration: Tailored for manufacturers seeking premium audio components for their products.
- Broadcast Monitoring: Reliable sound output for field and studio monitoring applications.
Technical Highlights:
- Power Efficiency: Handles up to 20W nominal and 40W peak power for consistent audio delivery.
- Wide Frequency Response: Covers 146 Hz to 18 kHz for balanced, full-range sound reproduction.
- Compact and Lightweight: 78mm x 50mm dimensions with a weight of only 0.43 kg, making it ideal for portable systems.
- High Sensitivity: Delivers 87 dB for efficient sound projection even in challenging environments.
- Durable Build: Copper voice coil and Kapton bobbin ensure long-lasting performance.
Why Choose the PF03F 40W Max Power 0.75″ Voice Coil PA Audio Fullrange Speaker?
- Precision Engineering: Designed for high-quality sound output with minimal distortion.
- Versatility: Suitable for a wide range of professional audio applications.
- Compact Design: Delivers powerful audio performance in a lightweight and portable form factor.
- Cost-Effective Solution: A premium audio component that provides value without compromising quality.
B2B & Wholesale Purchase Information:
- Minimum Order Quantities (MOQ): Flexible options for different business scales.
- Custom OEM Services: Add your branding or modify specifications to fit your needs.
- Discounted Pricing: Available for bulk orders.
- Global Shipping: Reliable and fast logistics support for worldwide customers.
Key Applications:
- Public announcements in schools, churches, and government buildings
- Portable PA systems for event organizers and mobile professionals
- OEM integration into audio products
- Monitoring and communication systems



