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What's Inside?
• A-Series 10” Component Subwoofer
• Owner's Manual
Delivers Powerful and Accurate Low-frequency Reproduction
The Pioneer TS-A25S4 is a 10-inch car subwoofer known for impressive bass performance. With Pioneer's reputation for quality and innovation, it offers powerful, precise low-frequency reproduction to elevate your listening experience. Its sturdy injection-molded polypropylene cone ensures durability and precise movement for accurate bass response, minimizing distortion and ensuring impactful bass. The subwoofer's large voice coil and vented pole piece design enhance power handling and thermal management.
Handle Higher Power Levels
The TS-A25S4 can handle higher power for better bass without compromising performance. Its compact size and shallow-mount design make it versatile for tight spaces like trucks or under-seat setups. With a heat-resistant voice coil, it's built to last during long listening sessions in cars.
| Brand | Pioneer |
| Series | Pioneer A-series |
| Subwoofer Size | 10" |
| Peak Power Handling | 1200 watts |
| RMS Power Handling | 350 watts |
| Voice Coil(s) | Single |
| Impedance (Per Voice Coil) | 4 ohms |
| Voice Coil Material | Copper |
| Frequency Response | 22 - 1,400 Hz |
| Sensitivity | 85 dB |
| Xmax (millimeters) | 8.7 mm |
| Subwoofer Design | Round / Circle |
| Main Cone Color | Black |
| Woofer Composition | Interlaced Carbon-Glass Fiber Composite - IMPP |
| Woofer Surround | Rubber |
| Magnet Structure | Single Stacked |
| Magnet weight | 46 oz. |
| Magnet Type | Ferrite |
| Subwoofer Grille | No |
| Re-Cone Kit Available | No |
| CTA-2031 Compliant | Yes |
| Recommended Enclosure Specifications | Recommended Enclosure Type |
| Ported / Vented | Sealed |
| Minimum Sealed Box Volume | .80 cubic feet |
| Minimum Ported Box Volume | 1.10 cubic feet |
| Top-Mount Depth (Mounting Depth) | 5" |
| Cutout Diameter | 9" |
| Shallow Mount Installation | No |
| Free-Air Resonance (Fs) | 39.2 Hz |
| Equivalent Compliance (Vas) | 22.6 liters |
| Total Speaker Q Value (Qts) | 0.72 |
| Electrical Q Value (Qes) | 0.81 |
| Mechanical Q Value (Qms) | 6.5 |
| Parts Warranty | 1 Year |
| Labor Warranty | 1 Year |
