{"product_id":"pioneer-ts-a25s4-10-inch-subwoofer-1300w-max-sealed-or-ported-enclosures-strong-bass","title":"PIONEER TS-A25S4 10-inch Subwoofer – 1300W Max, Sealed or Ported Enclosures, Strong Bass","description":"\u003ch2\u003ePowerful, precise bass for your car’s sound\u003c\/h2\u003e\n\u003cp\u003eUpgrade 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.\u003c\/p\u003e\n\u003ch3\u003eKey design features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1200W max power and 350W nominal, offering ample headroom for dynamic music genres\u003c\/li\u003e\n  \u003cli\u003eGlass-Fiber \u0026amp; Mica Reinforced IMPP cone for high rigidity and durable, accurate bass\u003c\/li\u003e\n  \u003cli\u003e4Ω single voice coil for straightforward wiring and efficient power handling\u003c\/li\u003e\n  \u003cli\u003e85 dB sensitivity ensures strong output with a suitable external amplifier\u003c\/li\u003e\n  \u003cli\u003eRecommended enclosure: 1.1 cu ft vented or 0.8 cu ft sealed, for versatile installation\u003c\/li\u003e\n  \u003cli\u003e5.625-inch mounting depth enables flexible placement in many vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSound and performance in real-world use\u003c\/h3\u003e\n\u003cp\u003eIn 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.\u003c\/p\u003e\n\u003ch3\u003ePlacement and installation ideas\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePassive design means you control the bass with your amplifier settings, not a built-in amp\u003c\/li\u003e\n  \u003cli\u003eCompatible with both sealed and vented enclosures, allowing you to tailor bass behavior\u003c\/li\u003e\n  \u003cli\u003eIdeal for upgrading factory systems or building a custom, high-fidelity setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to expect\u003c\/h3\u003e\n\u003cp\u003eReliable, 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.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What enclosure is best for the Pioneer TS-A25S4?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The recommended enclosures are 1.1 cu ft vented or 0.8 cu ft sealed to optimize bass depth and control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I pair the TS-A25S4 with an external amplifier?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s a 4Ω SVC subwoofer designed for external amps, enabling adjustable bass and efficient power handling.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PIONEER","offers":[{"title":"Default Title","offer_id":48411678736541,"sku":"B07XDBPPWD","price":84.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/pioneer-ts-a25s4-front-view.jpg?v=1781221179","url":"https:\/\/nexoltic.com\/products\/pioneer-ts-a25s4-10-inch-subwoofer-1300w-max-sealed-or-ported-enclosures-strong-bass","provider":"Nexoltic","version":"1.0","type":"link"}