Dibeisi Q3551 6.5 inch 3-Way Coaxial Column Speaker System 250W Peak (Pair)

The Dibeisi Q3551 Column System is a high-performance 3-way coaxial speaker pair designed for demanding audio applications. Featuring a 6.5-inch (165 mm) woofer with a polypropylene cone and butyl rubber surround, a mylar dome tweeter, and a ferrite magnet structure, these speakers deliver clear, powerful sound across a wide frequency range. With a peak power handling of 250 W per speaker and an RMS rating of 40 W, they are ideal for use in column speaker systems, PA setups, or custom installations. The 4-ohm impedance and 91 dB sensitivity ensure efficient power usage and high output. Grilles are included for protection and a clean aesthetic.

Advantages

High power handling (250W peak) ensures dynamic sound reproduction. The 3-way coaxial design provides balanced audio with separate drivers for bass, midrange, and treble. Durable construction with polypropylene cone and butyl rubber surround offers long-lasting performance. Easy to install with a mounting depth of 58 mm and diameter of 142 mm. Includes grilles for a professional finish.

Suitable for

• Column speaker systems
• Public address (PA) installations
• Home audio setups
• Custom speaker enclosures

Key specifications

• Speaker Type: 3-Way Coaxial
• Speaker Size: 6.5 inches (165 mm)
• Peak Power Handling: 250 W (per speaker)
• RMS Power Handling: 40 W (per speaker)
• Impedance: 4 Ohms
• Frequency Response: 60 Hz - 22 kHz
• Sensitivity: 91 dB/W/m
• Mounting Depth: 58 mm
• Mounting Diameter: 142 mm
• Magnet Material: Ferrite
• Woofer Cone Material: Polypropylene (PP)
• Surround Material: Butyl Rubber
• Tweeter Type: Mylar Dome
• Quantity: 2 Speakers (Pair)
• Grilles Included: Yes

Recommendations

For best results, pair with an amplifier that delivers 40-80 W RMS per channel at 4 ohms. Ensure proper enclosure design to maximize bass response. Professional installation recommended for optimal performance.