RCF
RCF L18P400 18-Inch Professional Low Frequency Transducer Subwoofer
★★★★★
2000W25 Hz - 1 kHz
Experience Deep Bass with Professional QualityThe RCF L18P400 is a high-performance 18-inch low-frequency transducer designed for professional car audio and DJ applications. Delivering exceptional power handling and minimal harmonic distortion, this transducer ensures crystal-clear sound reproduc...
$498.75*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Experience Deep Bass with Professional Quality
The RCF L18P400 is a high-performance 18-inch low-frequency transducer designed for professional car audio and DJ applications. Delivering exceptional power handling and minimal harmonic distortion, this transducer ensures crystal-clear sound reproduction and deep, impactful bass.
- Power Handling: 2000 Watt continuous program power handling
- Sensitivity: 97.5 dB
- Voice Coil: 4-inch, fibreglass inside-outside copper voice coil
- Frequency Range: 25 Hz - 1 kHz
- Demodulation: Aluminum demodulation ring
- Ventilation: Forced air ventilation and 14 mm top plate for minimum power compression
- Suspension: Dual spider design with silicon based dampening control
- Surround: Triple-roll surround and corrugated straight cone geometry
- Impedance: 8 Ohm
Key Features
4-in ch, fiberglass inside/outside copper voice coil ; 2000W continuous program power handling ; 97.5 dB Sensitivity ; 25 Hz - 1 kHz Frequency range
Aluminum demodulation ring ; Forced air ventilation & 15mm top plate for minimum power compression ; Dual spider design w/silicon based dampening control
Triple roll surround & corrugated straight cone geometry ; The L18P400 is ideal for use in applications where incredible power handling,long excursion & perfect control is required. ; Ideal for high quality professional bass reflex & bass-horn system.
The transducer's low frequency extension, coupled w/its extremely low generation of harmonic distortion,also makes it ideal for use within critical listening applications such as studio monitoring subwoofer system. ; Nominal Diameter: 460 / 18 mm/inch
Rated Impedance: 8 Ohms ; Program Power: 2000 W AES ; Power handling capacity: 1000 W AES ; Sensitivity: 97.5 dB
Frequency Range: 25 Hz to 1000 Hz ; Effective Piston Diameter: 395 / 15.6 mm/inch ; Max Excursion Before Damage (peak to peak): 50 / 2.0 mm/inch ; Minimum Impedance: 6.5 Ohms
Voice Coil Diameter: 100 / 4 mm/inch ; Voice Coil Material: Copper ; Voice Coil Winding Depth: 25 / 1.0 mm/inch ; Number of layers: 2
Kind of layer: inside / outside ; Top Plate Thickness: 15 / 0.6 mm/inch ; Cone Material: No pressed pulp ; Cone Design: Straight ; Surround Material: Polycotton ; Surround Design: Triple roll
THIELE/SMALL PARAMETERS ; Resonance frequency: 29 Hz ; DC resistance: 5.1 Ohms ; Mechanical factor: 7.6 ; Electrical factor: 0.29 ; Total factor: 0.28 ; BL Factor: 24.6 T - m ; Effective Moving Mass: 200 g ; Equivalent Cas air load: 340 liters ; Effettive piston area: 0.122 m-Squared ; Max. linear excursion (mathematical): 8.8 mm ; Voice - coil inductance at 1kHz: 2.5 mH ; Half-space efficiency: 2.63%
Overall Diameter: 465 / 18.3 mm/inch ; Bolt Circle Diameter: 442-447 / 17.4-17.6 mm/inch ; Bolt Hole Diameter: 6.5 / 0.25 mm/inch ; Front Mount Baffle Cut-out: 424 / 16.7 mm/inch ; Rear Mount Baffle Cut-out: 424 / 16.7 mm/inch ; Depth: 205 / 8.1 mm/inch ; Volume occupied by the driver: 6.0 / 0.21 liters/ft3 ; Net Weight: 13.3 / 29.3 kg/lbs ; Shipping weight: 14.3 / 31.5 kg/lbs
Specifications
Nominal Diameter
460 / 18 mm/inch
Rated Impedance
8 Ohms
Program Power
2000 W AES
Power Handling Capacity
1000 W AES
Sensitivity
97.5 dB
Frequency Range
25 Hz to 1000 Hz
Voice Coil Diameter
100 / 4 mm/inch
Voice Coil Material
Copper
Voice Coil Winding Depth
25 / 1.0 mm/inch
Top Plate Thickness
15 / 0.6 mm/inch
Net Weight
13.3 / 29.3 kg/lbs
Pros & Cons
👍 Pros
- Features a 4-inch, fiberglass inside/outside copper voice coil, ensuring robust and efficient power handling.
- Boasts a 2000W continuous program power handling, suitable for demanding professional audio applications.
- Offers a wide frequency range of 25 Hz to 1 kHz, capturing deep bass and mid-bass frequencies effectively.
- Designed with forced air ventilation and a 15mm top plate, minimizing power compression during intense use.
- Incorporates a dual spider design with silicon-based dampening control for enhanced stability and precision.
- Ideal for use in applications requiring incredible power handling, long excursion, and perfect control, such as bass reflex and bass-horn systems.
👎 Cons
- The specific features like dual spider design and forced air ventilation contribute to a more complex construction, which could impact repair accessibility.
- An 18-inch diameter speaker is quite large, which may pose challenges for integration into smaller existing enclosures or limited spaces.
- The significant net weight of 13.3 kg (29.3 lbs) makes transportation and installation potentially challenging for a single person.
- Its specialization for "high quality professional bass reflex & bass-horn system" suggests it might be over-engineered or costly for simpler setups.
- The "no pressed pulp" cone material description, while technical, does not immediately convey a common material benefit to all users.
Frequently Asked Questions
What is the power handling capacity of this subwoofer?
This subwoofer features a 2000W continuous program power handling and a 1000W AES power handling capacity, making it suitable for demanding applications.
What is the frequency range of the RCF L18P400?
It offers a broad frequency range from 25 Hz to 1000 Hz, allowing for the reproduction of deep bass and lower mid-range sounds.
What size is the voice coil in this subwoofer?
The RCF L18P400 is equipped with a large 4-inch (100 mm) fiberglass inside/outside copper voice coil, contributing to its robust performance.
Is this subwoofer designed for specific enclosure types?
Yes, it is ideal for use in high-quality professional bass reflex and bass-horn systems, where incredible power handling and control are essential.
How does this subwoofer manage power compression?
It features forced air ventilation and a 15mm top plate, which are designed to minimize power compression during extended operation.
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