Established in 1996, China Deland Electronics Co., Ltd. is located in Ningbo City, one of the most important seaport cities in China. We specialize in research &development, subwoofer speaker manufacturer and selling cleaner, headlamp, flashlight, headlight. Certification to ISO9001, CE, FCC, RoHS together with numerous prestigious contracts are testament to our company's performance in attaining its objectives. Currently, our design and custom subwoofer speakers products are very popular in the USA, Europe(UK, France, Germany, Italy), South Asia, Canda, the Middle East, Japan and Hong Kong.

12" 180-Watt powered subwoofer. Mica-reinforced cellular woofer construction. Motion feedback technology. Speaker and line level inputs. 20-200Hz frequency response. Feel the power of 180 amplified watts of pure bass. The Sony SA-W3000 Performance Line Subwoofer makes music come alive and elevates the movie-watching experience to theater-like levels. For cinematic effects, crank up the bass and let the 12" mica-reinforced cellular woofer and advanced bass reflex design do the rest. When it comes to creating high-quality Hi-Fi sound in your home, selecting the proper speakers is even more important. Sony makes it easy with an extremely wide range of different speakers. Whether you're listening to a refined string quartet or watching a powerful action-packed movie, Sony's speakers are designed to deliver an intensive acoustic experience that is both powerful and emotional.PRODUCT FEATURES:200 Watt Amplified Subwoofer;12" Mica Reinforced Cellular Woofer;Motion Feed Back Technology;Speaker and Line Level Inputs;Frequency Response 20-200Hz.

A single 10-inch subwoofer with built-in high-current amplifier for big bass. Equipped with one 10-inch polymer-composite dynamic-balance cone driver. Features laser-based Klippel measurement technology for improved linearity and deep, precise sound. Frequency Response: 35Hz - 200Hz. Non-resonant all-MDF enclosure construction with 0.75-inch-thick baffles and internal bracing. The Polk Audio Monitor Series PSW10 Powered Subwoofer is a quality-built yet affordable, high-performance loudspeaker for music and home theater. The PSW10 complements the clean, stylish look of the Monitor Series with powerful, efficient, accurate and musical bass in a compact enclosure with a fashionable cherry finish. The Polk Monitor PSW10 utilizes a 10-inch polymer-composite dynamic-balance cone driver for tight musical bass, as well as state-of-the-art laser-based Klippel measurement technology that perfectly centers the subwoofer's voice coil in its magnetic field for improved linearity and deep, precise sound. This unit's non-resonant all-MDF enclosure construction with 0.75-inch-thick baffles and internal bracing ensures superior detail, accuracy and musicality.

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