Description
The RCF CD400 is a professional-grade compression driver designed for superior sound performance and durability. Featuring a 1.75-inch polyester diaphragm and a 1.0-inch exit throat, it ensures precise audio reproduction across a wide frequency range of 1200Hz - 20kHz. Its vented suspension system, ceramic magnet assembly, and 2-slot optimized phase plug enhance clarity and efficiency. Engineered with a Kapton voice coil former and edge-wound aluminum coil, this driver delivers reliable 100W continuous program power handling, making it ideal for high-performance speaker systems.
Product Specifications:
Exit Throat Diameter: 1.0 inch / 25 mm
Impedance: 8Ω
Power Handling: 50W RMS / 100W Program
Sensitivity: 109 dB
Frequency Range: 1200 - 20000 Hz
Diaphragm & Suspension Material: Polyester
Voice Coil & Magnetics:
Voice Coil Diameter: 1.75 inch / 44 mm
Winding Material: Edgewound Aluminum
Former Design: Straight - Kapton
Layers: Single, Outside Wound
Flux Density: 1.8 T
Magnet Type: Ceramic
Mounting & Dimensions:
Overall Diameter: 134 mm / 5.28 inches
Overall, Height: 52 mm / 2.05 inches
Mounting: 4 x 6 mm threaded holes at 90°
Weight: 2.46 kg / 5.42 lbs
Shipping:
Package Dimensions: 6.02 x 6.1 x 2.68 inches
Package Weight: 2.63 kg / 5.8 lbs
Financing Options
Hassle-Free Financing Available
Get the gear you need now and pay over time. Perfect for working DJs, artists, and sound pros who need pro-grade speakers, lighting, and cases to stay competitive.
- Shop Pay & Afterpay for instant financing right at checkout
- Acima, Synchrony, Progressive & Snap lease-to-own and financing options
- Fast approvals so you buy today and pay monthly
Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.

