Description
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Pioneer TS-A2500LS4
The Pioneer TS-A2500LS4 is a 10-inch shallow-mount subwoofer from the A-Series, engineered to deliver powerful bass in compact spaces. With a 300W RMS (1200W peak) rating, it features a glass-fiber and mica reinforced Injection Molded Polypropylene (IMPP™) cone, a rubber surround, and a double reinforced spider for strength and linearity during high excursion. Its shallow mounting depth of 3.375 inches (86 mm) allows for installation in tight spaces, making it ideal for vehicles with limited room.
Specifications
PRODUCT PERFORMANCE
| Specification | Value |
|---|---|
| Continuous Power Handling (RMS) | 300 W |
| Maximum Peak Power Handling | 1200 W |
| Frequency Response | 20 Hz – 900 Hz |
| Nominal Impedance | 4 Ohm |
| Sensitivity (1W/1m) | 85 dB |
| System Type | Component |
FEATURES
| Specification | Value |
|---|---|
| CarSoundFit | Yes |
| Cut Out Dimensions | 9″ (22.86 cm) |
| Recommended Ported Box Volume | 17 L, 0.6 Cu. Ft. |
| Recommended Sealed Volume | 17 L, 0.6 Cu. Ft. |
| Subwoofer Grille | UD-10GL Sold Separately |
| Woofer Dimensions | 10″ |
| Total Speaker Q (Qts) | 0.83 |
MATERIALS
| Component | Material / Specification |
|---|---|
| Basket Material | Stamped Metal |
| Center Cap Material | ABS |
| Cone Material | IMPP – Composite |
| Damper | Poly cotton |
| Gasket | Polypropylene |
| Installation Ring | Polypropylene |
| Magnet Material | Ferrite |
| Magnet Weight | 43.4 oz |
| Surround Material | Rubber |
| Surround Type | Rolled |
| Voice Coil Bobbin | Kapton |
| Voice Coil Type | Single Voice Coil |
| Voice Coil Wire | Copper |
| Wire Terminals | Push Type |
About The Product
The 10″ Shallow-Mount Subwoofer delivers 1200 W maximum power with 300 W nominal RMS, combining compact design with high performance. It features a glass fiber and mica reinforced IMPP™ cone, double-reinforced spider, rubber surround, and 8-AWG push terminals, ensuring both durability and high-quality sound output.
Easily Upgrade to High Performance
Pioneer’s A-series sound design is engineered to seamlessly match the subwoofer with full-range loudspeakers, providing smooth, dynamic, high-impact bass that you can both hear and feel.
Shallow Compact Design
The slim, shallow-mount design allows installation in tight spaces, such as under or behind vehicle seats, without compromising bass performance. Patent-pending innovations enable powerful bass typically associated with full-size subwoofers in a space-saving design.
Glass-fiber & Mica Reinforced IMPP™
Polypropylene (PP) is combined with glass fibers and mica during injection molding, creating a cone that is lightweight, rigid, and low-mass. This produces clear, natural sound with deep, powerful bass and minimal distortion.
Butyl Rubber Suspension
The specially formulated butyl rubber surround ensures precise, linear cone movement, reducing vibration and distortion, for superior bass accuracy.
Double Aramid Fiber Spider
The dual spider design supports the voice coil, damping vibrations and improving linearity. This ensures smooth cone movement even under high power, controlling excessive vibrations for precise sound reproduction.
Deep Bass
A strontium magnet, large copper voice coil, and glass-imide voice-coil former enhance bass control during high excursions, achieving deep, tight, and controlled low frequencies while improving heat dissipation.
CarSoundfit App
Pioneer’s Car Sound Fit app allows a virtual audio simulation of your vehicle’s sound. Compare stock speakers to Pioneer upgrades and experience enhanced in-car sound performance using your smartphone.
This design delivers powerful bass, high efficiency, and versatile installation, making it ideal for small spaces without sacrificing audio quality.


























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