The P 4228 is a full-range, weather-resistant two-way loudspeaker designed for versatile professional use, either as a standalone unit or in array configurations. Its low-frequency section includes two 8″ neodymium woofers with 2.5″ voice coils arranged symmetrically to ensure controlled horizontal dispersion. The high-frequency section features a 1.4″ neodymium compression driver with a 2.5″ diaphragm mounted on a constant directivity CMD horn, delivering smooth and focused sound over a 110° by 60° coverage area. This system offers a frequency response from 80 Hz to 20 kHz and a peak output of 129 dB SPL. The internal electronics include LICC crossover and Active Mosfet Compression Driver Protection (AMCDP) for reliable performance. The single-piece roto-molded cabinet is UV-protected and IP55 rated for weather resistance. It comes equipped with four M8 brass inserts, a corrosion-resistant stainless steel U-bracket, and watertight Amphenol IP67 input connectors. The front aluminum grille is powder coated with a water-repellent backing, and the rotatable logo plate completes the rugged yet refined design.
Features
400 W RMS power handling, 1600 W peak power
Maximum SPL of 129 dB
Frequency range: 80 Hz – 20,000 Hz
Dual 8″ neodymium woofers with 2.5″ voice coils
2.5″ voice coil neodymium compression driver with 1.4″ diaphragm
110° horizontal by 60° vertical constant directivity
Weatherproof IP55 rated cabinet with UV protection
Durable aluminum grille with water-repellent coating
AISI 316L stainless steel U-bracket for secure mounting
Watertight Amphenol IP67 4-pole input connector
LICC crossover and Active Mosfet Compression Driver Protection
Available in Grey, Black (RAL 9005), and White (RAL 9003) finishes
CE certified for safety compliance
Specifications
| Frequency Response | 80 Hz ÷ 20,000 Hz |
| Max SPL @ 1m | 129 dB |
| Horizontal Coverage Angle | 110° |
| Vertical Coverage Angle | 60° |
| Directivity Index Q | 9 |
| System Sensitivity | 97 dB |
| Amplification | Full Range |
| Nominal Impedance | 8 ohm |
| Power Handling | 400 W |
| Peak Power Handling | 1600 W PEAK |
| Protection | Dynamic active Mosfet |
| Crossover Frequency | 1100 Hz |
| Compression Driver | 1 x 1.4″ neo, 2.5″ v.c |
| Woofer | 2 x 8″, 2.5″ v.c |
| Input Connectors | Amphenol eco/mat IP 67 |
| IP Protection Grade | IP 55 |
| Safety Certification | CE compliant |
| Cabinet Material | PE Low Density |
| Hardware | 4 x M8 inserts, U-bracket, and spacers |
| Grille | Aluminum with waterproof coating |
| Color Options | Grey, Black (RAL 9005), White (RAL 9003) |
| Height | 268 mm / 10.55 inches |
| Width | 566 mm / 22.28 inch
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