Pioneer TS-SW2501S2|S4 Shallow-Mount Subwoofer

Pioneer Updated: 2009-04-10 RSS
Pioneer TS-SW2501S2|S4 Shallow-Mount Subwoofer

Our newest line of subwoofers are designed to provide wider installation options for a broad range of vehicles. These "Shallow-Mount" Subwoofers feature multiple patent-pending features to deliver the big bass performance of a full-size subwoofer, but in a compact design that can be installed either behind or under seats depending on the type of vehicle.  The mounting depth is just 2-7/8" - less than half a typical subwoofer in this class.

This 10" shallow subwoofer handles 1200 watts max., 300 watts nominal power, and delivers deep bass with top-notch sound quality thanks to features like Pioneer's extremely strong and lightweight Interlaced Basalt/Carbon Fiber Reinforced IMPP Cone, the patent-pending M-shaped Surround, and more.

To ensure that you get more natural bass, we've incorporated out new Basalt fiber technology into our shallow subwoofers. The volcanic-rock fibers create a cone that is lightweight, rigid, well damped, stable in temperature extremes, and more environmentally friendly. In short, this bass really rocks.

One of the new patent-pending features is called the "Air Suspension Control System". This design locks in air between the main cone and drive cone, ensuring smoother and more precise movement of the cones, for superior linearity. The locked-in air behaves like a spring, so there's no need for a traditional spider structure. The drive cone also deflects air pressure inside the enclosure, which further contributes to the remarkable bass of the small package.

The TS-SW2501S2/S4 subwoofer is extremely flexible for installation, able to fit almost anywhere.  There are two available Subwoofer Enclosures - the UD-SW10B is designed to fit behind the seat of a truck, or in the back of an SUV or Minivan; and the UD-SW10U is design to fit under the rear seat of many pickup trucks.


Size: 10"
Woofer Cone Material: Interlaced Basalt/Carbon Fiber Reinforced IMPP Cone
Woofer Cone Design: Double Cone with Air Suspension Control System
Surround: 3-Layer Fiber Woven Radial Surround with M-shape Cross-section
Voice Coil: Aluminum 6 Layer, Long Voice Coils
Voice Coil Wire: Aluminum
Voice Coil Bobbin: Phenol Resin Coated Glass Cloth
Damper (Spider): None (Air Suspension Control System)
Projected Pole Yoke with Vented Pole: Yes
Magnet Construction: Strontium
Basket Design: Cast Aluminum Basket
Gasket: Rubber
Wire Terminals: Silver Spring Compression Terminal


Watts MAX. Music Power: 1200 Watts
Watts Nominal Power Handling: 300 Watts
Frequency Response: 20 ~ 290Hz
Sensitivity: 90dB
Ohm Rating: S2 (2 ohm) S4 (4 ohm)
Recommended Enclosure: 0.35 ~ 0.7 Cubic Feet
Dimensions: 11" x 3-5/8"
Mounting Depth: 3"
Accessory Grill: UD-G258

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