Description
Pioneer TS-A250D4
The Pioneer TS-A250D4 is a 10-inch dual 4-ohm voice coil subwoofer from the A-Series, engineered to deliver powerful bass in compact spaces. With a 400W RMS (1300W peak) rating, it features a glass-fiber and mica reinforced Injection Molded Polypropylene (IMPP™) cone, a butyl rubber surround, and an aramid fiber spider for strength and linearity during high excursion. The oversized 56 oz double stacked ferrite magnet and vented pole yoke enhance power handling capabilities. Its shallow mounting depth of 5.875 inches (149 mm) allows for installation in tight spaces, making it ideal for vehicles with limited room.
Specifications
PRODUCT PERFORMANCE
| Specification | Value |
|---|---|
| Continuous Power Handling (RMS) | 400 W |
| Maximum Peak Power Handling | 1300 W |
| Frequency Response | 20 Hz – 2 kHz |
| Nominal Impedance | 4-Ohm dual |
| Sensitivity (1W/1m) | 74 dB |
| System Type | Component |
FEATURES
| Specification | Value |
|---|---|
| CarSoundFit | Yes |
| Cut Out Dimensions | 9″, 23 cm |
| Equivalent Compliance (VAS) | 36.6 Liters, 1.3 Cu. Ft. |
| Free Air Resonance (Fs) | 30 |
| Linear Excursion (Xmax) | 10.8 mm, 0.43″ |
| Mounting Depth | 5-1/4″, 13.34 cm |
| Port Diameter | 2″, 5 cm |
| Port Length | 5″, 13 cm |
| Recommended Ported Box Internal Volume | 19.8 Liters, 0.7 Cu. Ft. |
| Recommended Sealed Enclosure Volume | 19.8 Liters, 0.7 Cu Ft |
| Total Speaker “Q” (Qts) | 0.59 |
| Woofer Dimensions | 10″ |
MATERIALS
| Component | Material / Specification |
|---|---|
| Basket Material | Stamped Metal |
| Center Cap Material | ABS |
| Cone Material | IMPP – Composite |
| Damper | Aramid Fiber |
| Installation Ring | ABS |
| Magnet Material | Ferrite |
| Magnet Weight | 56.4 oz |
| Surround Material | Rubber |
| Surround Type | Rolled |
| Voice Coil Bobbin | Aluminum |
| Voice Coil Type | Dual Voice Coil 4-ohm |
| Voice Coil Wire | Copper |
| Wire Terminals | Push Type |
About The Product
10” Dual 4 Ω Voice Coil Subwoofer
This 10” dual 4 Ω voice coil subwoofer features a glass fiber and mica interlaced Injection Molded Polypropylene (IMPP™) cone, a butyl rubber surround, and an aramid fiber spider for strength and linearity during high excursions. The oversized 56 oz double-stacked magnet with a vented pole yoke provides increased power handling for dynamic, impactful bass.
A-Series Subwoofer
Upgrade to high performance with the Pioneer A-series sound design, which acoustically matches the subwoofer and full-range loudspeakers. This provides seamless and smooth sound characteristics with dynamic, high-impact bass that lets you hear and feel your music.
Glass-fiber & Mica Reinforced IMPP™
Polypropylene (PP) is a tough thermoplastic resin ideal for speaker cones due to its low mass and high damping properties. PP cones offer good sensitivity and low distortion, but raw polypropylene cones lack the rigidity required for high output and extreme low bass. Pioneer engineers, using advanced Computer-Aided Manufacturing, blend glass fibers and mica into the polypropylene resin during the injection molding process. The resulting IMPP™ cone is thinner, low mass, with high rigidity and superior strength, producing natural, detailed sound with deep and powerful bass.
Deep Bass
To achieve deep and tight bass, a rigid and lightweight cone is essential. The subwoofer’s double-stack strontium magnet creates a stronger and longer magnetic field, paired with a large copper voice coil and an aluminum voice-coil former for better bass control under high excursions. This structure also improves heat dissipation for consistent performance.
CarSoundFit
Pioneer’s Car Sound Fit app is a car sound simulator that lets you experience in-car audio using your smartphone. Hear the difference between stock speakers and Pioneer audio upgrades. For a virtual listening demonstration of these and many other Pioneer car speakers, download the free Pioneer CarSoundFit app.
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