18 Sound 15W500 – Professional 15-Inch Woofer Driver for Powerful Low-Frequency Performance
The 18 Sound 15W500 is a premium 15-inch woofer driver engineered to deliver outstanding performance in a wide range of professional audio applications. Designed and manufactured in Italy by 18 Sound, a global leader in transducer technology, the 15W500 is built to meet the demands of high-output sound reinforcement systems with exceptional clarity, power handling, and reliability.
Whether you’re designing a new speaker cabinet, upgrading your stage monitor, or looking for a trusted low-frequency driver for touring or installed PA systems, the 15W500 offers the durability and sonic accuracy audio professionals demand. With its powerful magnet structure, high-sensitivity design, and extended low-frequency response, this driver stands out as a workhorse component for full-range and subwoofer enclosures alike.
High-Efficiency Low-Frequency Driver
The 15W500 features a 15-inch (380 mm) diameter cone that delivers a powerful and deep bass response, making it suitable for a variety of applications including front-of-house speakers, subwoofers, stage monitors, and bass guitar cabinets. With a continuous program power rating of 500W and an AES power rating of 350W, this driver offers robust headroom and reliable performance even under demanding audio conditions.
Its sensitivity of 100.5 dB (1W/1m) ensures high efficiency, allowing it to produce impressive output levels without requiring excessively powerful amplification. This makes it a cost-effective and performance-oriented choice for both mobile and permanent sound systems.
Durable Design for Professional Use
Built for heavy-duty performance, the 15W500 utilizes a 2.5-inch (64 mm) copper voice coil wound on a high-temperature-resistant fiberglass former. This construction ensures excellent thermal dissipation and consistent operation during extended use. The treated paper cone provides an ideal balance of rigidity and damping, enabling accurate sound reproduction with minimal distortion.
The woofer’s die-cast aluminum frame enhances structural stability while minimizing resonance and unwanted vibration. Meanwhile, the vented pole piece and voice coil gap improve airflow and reduce power compression, maintaining performance consistency at higher sound pressure levels.
With a frequency response ranging from 50 Hz to 4.5 kHz, the 15W500 covers the essential bass and low-mid frequencies, making it highly versatile in both two-way and three-way system designs.
Ideal for Portable and Installed Systems
Thanks to its rugged build and sonic precision, the 15W500 is suitable for both portable speaker systems and permanent installations in venues, houses of worship, clubs, and outdoor sound applications. It can be mounted in front-loaded or bass-reflex cabinet designs and pairs well with compression drivers in a two-way setup or with dedicated subwoofers in multi-way configurations.
Whether you’re aiming to project powerful kick drums, tight bass lines, or full-bodied vocals, the 15W500 ensures a clean, impactful, and reliable performance every time.
Product Specifications
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Model: 18 Sound 15W500
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Nominal Diameter: 15 inches (380 mm)
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Voice Coil Diameter: 2.5 inches (65 mm)
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Power Handling: 350W AES / 500W Program
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Sensitivity: 100.5 dB SPL (1W/1m)
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Frequency Response: 50 Hz – 4.5 kHz
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Impedance: 8 Ohms
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Magnet Material: Ferrite
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Cone Material: Treated Paper
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Frame: Die-Cast Aluminum
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Weight: Approx. 4.3 kg
Conclusion
The 18 Sound 15W500 is the ideal 15-inch woofer driver for sound professionals seeking powerful bass, high efficiency, and rugged durability. With its proven design, robust materials, and flexible performance, the 15W500 continues to be a go-to choice for speaker manufacturers and sound engineers around the world. Whether you’re building new enclosures or replacing existing components, the 15W500 provides the punch, clarity, and long-term performance that define top-tier audio.
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About 18 Sound
18 Sound products are proudly made in Reggio Emilia, Italy, combining advanced technology with Italian craftsmanship. Known for their high-performance professional audio components, 18 Sound is a trusted name in the global audio industry. Their state-of-the-art manufacturing and strict quality control ensure exceptional reliability and sound clarity. 18 Sound products are designed to meet the demands of speaker builders and audio professionals, 18 Sound offers premium products with outstanding value and performance worldwide.
