QI-CPRO4B - Ceiling Pro 4" Metal Back Loudspeaker (White)

High-Performance 4" Coaxial Ceiling Speaker with Integrated Metal Back Can

The Quad Industrial QI-CPRO4B is a professional-grade 4-inch coaxial ceiling loudspeaker designed for premium commercial installations. Unlike ultra-slim models, the "B" version features a standard-depth metal back can, which acts as a tuned acoustic chamber to deliver a fuller, more balanced sound with a frequency range down to 60 Hz.

Equipped with a 4-inch LF driver and a 0.75-inch silk swivel tweeter, the CPRO4B allows installers to aim the high frequencies toward the listening area for superior clarity. Its ultra-wide 130° coverage ensures seamless audio distribution, making it an excellent choice for background music and clear paging in retail, hospitality, and corporate offices.

The speaker features a bezel-free magnetic grille for a sleek, modern finish. It is fully equipped for professional use with a 4-pin Euroblock connector and a multi-tap transformer for 70V/100V line systems or 8Ω low-impedance operation.

Key Features:

• Enhanced Acoustic Performance: The integrated metal back can provides acoustic isolation and improved bass response compared to open-back or slim models.

• Silk Swivel Tweeter: 0.75-inch tweeter can be angled to direct high-frequency sound exactly where it's needed.

• Wide, Even Coverage: 130° x 130° nominal coverage ensures consistent audio levels across the entire room.

• Architectural Finish: Bezel-free magnetic grille offers a clean, flush-mount appearance that blends into any ceiling.

• Fire-Rated Safety: Robust metal back can ensures compliance with commercial fire safety standards.

• Flexible Power Options: Integrated transformer with multi-tap switch for 70V/100V systems or 8Ω low-impedance use.

Technical Specifications:

• System Type: 4" Two-Way / Coaxial Passive

• Power Handling: 30W (Continuous) / 60W (Programme) / 120W (Peak)

• Sensitivity: 88 dB (2.83v / 1m)

• Frequency Range: 60 Hz - 20 kHz (-10 dB)

• Max SPL: 109 dB

• Transformer Taps: * 70V: 30W / 15W / 7.5W / 3.75W

  • 100V: 30W / 15W / 7.5W

• Input Connector: 4-Pin Euroblock

• Cut-out Size: 172mm

• Weight: 2.5kg (Net)

QI-CPRO4B Technical Brief