Pioneer TS-A25S4 front view showing rugged construction for deep, powerful bass.
Pioneer TS-A25S4 side view highlights compact mounting depth for flexible installs.
Pioneer TS-A25S4 cone close-up shows reinforced IMPP for precise bass.
Pioneer TS-A25S4 voice coil close-up demonstrates efficient power handling.
Pioneer TS-A25S4 mounting depth mark indicates suitable enclosure fit.
Pioneer TS-A25S4 wiring and amplifier connections enable tailored setups.

PIONEER

PIONEER TS-A25S4 10-inch Subwoofer – 1300W Max, Sealed or Ported Enclosures, Strong Bass

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$98.22

In stock. Ships free, usually within 1–4 business days.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout Free 30-day returns
Spare Keep a spare (2)

Check the listed compatible models and specs before you order. Questions? Email us.

Multi-device One for each device (3)

Free tracked shipping and secure checkout on every U.S. order.

Free shipping

i

Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

i

Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support

Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

Return & RefundFree 30-day returns, full refund Shipping PolicyDelivery process and tracking info
Share

Product details

Powerful, precise bass for your car’s sound

Upgrade your ride with the Pioneer TS-A25S4 10-inch subwoofer. Built to pair with PIONEER A-series full-range speakers, it adds deep, musical bass that you can hear and feel, while keeping clarity across the midrange and highs. This passive subwoofer gives you the freedom to choose your amplifier and tailor the bass to your listening preferences.

Key design features

  • 1200W max power and 350W nominal, offering ample headroom for dynamic music genres
  • Glass-Fiber & Mica Reinforced IMPP cone for high rigidity and durable, accurate bass
  • 4Ω single voice coil for straightforward wiring and efficient power handling
  • 85 dB sensitivity ensures strong output with a suitable external amplifier
  • Recommended enclosure: 1.1 cu ft vented or 0.8 cu ft sealed, for versatile installation
  • 5.625-inch mounting depth enables flexible placement in many vehicles

Sound and performance in real-world use

In daily driving, this sub delivers weighty kick when the bass drops, yet remains controlled as volume climbs. Paired with an external amp, you can fine-tune the bass response to suit your music style—whether you crave tight punch or expansive lows.

Placement and installation ideas

  • Passive design means you control the bass with your amplifier settings, not a built-in amp
  • Compatible with both sealed and vented enclosures, allowing you to tailor bass behavior
  • Ideal for upgrading factory systems or building a custom, high-fidelity setup

What to expect

Reliable, dynamic bass that supports your music without masking details in the rest of the spectrum. The TS-A25S4 emphasizes durability and consistent performance across listening scenarios.

FAQ

Q: What enclosure is best for the Pioneer TS-A25S4?

A: The recommended enclosures are 1.1 cu ft vented or 0.8 cu ft sealed to optimize bass depth and control.

Q: Can I pair the TS-A25S4 with an external amplifier?

A: Yes. It’s a 4Ω SVC subwoofer designed for external amps, enabling adjustable bass and efficient power handling.

You may also like