High-performance outdoor subwoofer WA138
WA138 is the outdoor subwoofer from the Loto™ Collection, designed to deliver deep, powerful bass in gardens, terraces, pool areas, beach clubs and large outdoor spaces.
The 15-inch woofer, bass-reflex design and 1,200 W AES power handling extend low-frequency reproduction down to 34 Hz, completing outdoor audio systems for both residential and professional installations.
The HPL or Corian® enclosure, combined with the AISI 316L stainless-steel structure, brings together high acoustic performance, weather resistance and architectural integration.
Essential technical data
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Deep bass in open spaces power and control for high-performance outdoor audio systems
In outdoor environments, low frequencies disperse more easily because there are no walls or reflective surfaces. WA138 is designed to deliver depth, sound pressure and impact even in large open spaces.
The 15-inch woofer and bass-reflex design extend reproduction down to 34 Hz, complementing outdoor speakers used in gardens, terraces, pool areas, hospitality venues and open-air locations.
- Frequency response: 39–150 Hz (-3 dB)
- Frequency range: 34–150 Hz (-10 dB)
- Sensitivity: 91 dB (1 W / 1 m)
- Calculated maximum SPL: 134 dB @ 1 m
Materials designed for outdoor use HPL or Corian®, stainless steel and weather protection
The WA138 enclosure can be made from HPL or Corian®, materials selected to combine durability, stability and integration into outdoor architectural projects.
The support structure is made from AISI 316L stainless steel, while IP35 protection makes the subwoofer suitable for permanent installation in outdoor environments exposed to the weather.
- Enclosure in HPL or Corian®
- Support in AISI 316L stainless steel
- Environmental protection IP35
- Operating temperature: from -25 °C to +70 °C
- Net weight: 33,3 kg
- Manufactured Made in Italy
Installation and amplification floor placement, dedicated preset and system protection
WA138 is designed for freestanding installation and is supplied with a base for ground placement. It can be positioned on terraces, outdoor flooring and landscaped areas, integrating into the project without requiring recessed installation work.
The subwoofer has a nominal impedance of 4 Ω and requires suitable equalisation, filtering and protection. Garvan presets and a dedicated amplifier are available to provide controlled performance and protect the woofer at the lowest frequencies.
- Installation freestanding
- Ground placement base included
- Nominal impedance: 4 Ω
- Garvan presets and equalisation recommended
- Recommended high-pass filter: 40 Hz – 48 dB/octave
Available accessories
The ground placement base is included with WA138. The subwoofer can also be completed with optional accessories for connection, protection and security in outdoor audio installations.
- SF0278 turf protection plate: protects and finishes the area around the subwoofer in lawn installations. The plate has a diameter of 460 mm.
- Ground anti-theft kit: securely anchors the subwoofer and increases protection against removal.
- SF0654 protective cover: protects the product during periods of non-use.
- SF0655 transformer for high-voltage lines: allows the subwoofer to be integrated into compatible distributed audio systems.
- Z008323 waterproof 2-pin connector: provides a protected connection for outdoor installations.
Accessory codes, specifications and installation information are available in the product Datasheet.
View the Datasheet →WA138: the outdoor giant 1,200 W of power for deep bass in open spaces
An in-depth look at WA138, the Garvan subwoofer designed to reproduce powerful, controlled low frequencies even in large outdoor environments.
The video shows the product’s dimensions, construction and main features, together with the solutions developed to combine acoustic performance, durability and integration into outdoor spaces.
- Woofer: 15 inches
- Power handling: 1,200 W AES
- Low frequencies down to 34 Hz
- Enclosure in HPL or Corian®
- Residential and professional applications
Do you have a project in mind?
We can help you understand whether this product is suitable for your space and how to integrate it effectively, both acoustically and aesthetically.