W43
5000 US $ per unit
Contact us to get a quote with shipping at contact@liiaudio.com
Custom High-Efficiency Woofer
(Built to Order)
Extreme Scale. Extreme Fidelity.
The Lii Audio W-43 is a monumental 43-inch woofer, hand-built to order for advanced HiFi and professional audio applications that demand true full-range dynamics and subsonic depth. Designed without compromise, this ultra-large woofer achieves an astonishing 100 dB sensitivity and a free-air resonant frequency (Fs) of just 15 Hz, unlocking effortless low-frequency performance that redefines what is possible in speaker design.
Weighing over 100 kg per unit, the W-43 features a massive motor structure, precision voice coil engineering, and materials carefully selected for mechanical stability, response linearity, and long-term reliability. Whether used in monumental open-baffle systems, experimental enclosures, or extreme low-frequency monitoring, the W-43 delivers depth, dynamics, and physicality no conventional woofer can match.
Key Features
Custom 43-inch woofer, engineered per order for serious audiophile and professional use
100 dB sensitivity — exceptional efficiency for low-power, high-fidelity systems
Fs: 15 Hz — ultra-deep response for subsonic realism and physical bass
Hand-assembled with premium components for mechanical accuracy and tonal integrity
Ideal for open-baffle, custom horn, or architectural-scale enclosures
Extreme size and weight ensure authority and presence unmatched in conventional designs
Preliminary Technical Specifications
[Customizable]Sensitivity (1W/1m)
100 dB
Frequency Response
15 Hz – 1,500 Hz
Resonant Frequency (Fs)
15 Hz
Rated Power
[TBD – estimate 500–1000 W]
Voice Coil Diameter
[Custom – large format]
Magnet Type
[High-grade ceramic or AlNiCo – based on build]
Qts
[Available on request]
Sd (Cone Area)
[Extremely high – proportional to 43” size]
Xmax
[Extended excursion – custom spec]
Net Weight
100 kg per unit
*Upper usable frequency will vary based on enclosure and crossover design.
Packaging & Delivery
Made to order — lead time: [Insert lead time, e.g., 8–12 weeks]
Shipping weight: Approx. 120 kg per driver (crated)
Packaging: Custom crate for safe freight handling
Available for global shipment with freight arrangements
Usage Notes
Recommended for large-scale open baffle, studio subwoofer, theater systems, or installation projects
Works best with active crossover or digital processing for optimal integration
Ideal match with Lii Audio full-range drivers in 2-way systems for full-spectrum realism
Requires structurally reinforced enclosures or frames due to physical size and weight
Each unit is individually crafted and tested to meet Lii Audio performance standards



