{"product_id":"proline-x-driv-650-6-5-400w-subwoofer","title":"Proline X Driv 650 | 6.5\" 400W Subwoofer","description":"\u003cstyle\u003e\n  .driv-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .driv-hero { background: linear-gradient(135deg, #0f172a 0%, #1C1C1C 100%); padding: 60px 40px; text-align: center; color: white; }\n  .driv-hero .driv-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .driv-hero .driv-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .driv-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .driv-badge { background: rgba(168, 168, 168, 0.15); border: 1px solid #A8A8A8; color: #e2e8f0; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .driv-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .driv-section:nth-child(even) { background: #f8f8f8; }\n  .driv-section h2 { color: #1C1C1C; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #A8A8A8; }\n  .driv-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .driv-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .driv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .driv-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #A8A8A8; border-radius: 6px; padding: 24px; }\n  .driv-card h4 { color: #1C1C1C; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; }\n  .driv-card p { font-size: 1em; color: #475569; margin: 0; line-height: 1.7; }\n  .driv-highlight { background: #f8f8f8; border-left: 5px solid #A8A8A8; padding: 24px 28px; margin: 28px 0; border-radius: 0 6px 6px 0; }\n  .driv-highlight h3 { color: #1C1C1C; margin: 0 0 12px 0; font-size: 1.2em; }\n  .driv-highlight p { margin-bottom: 10px; color: #1e293b; }\n  .driv-warranty { background: #0f172a; border-left: 5px solid #A8A8A8; border-radius: 0 6px 6px 0; padding: 20px 28px; margin: 28px 0; display: flex; align-items: center; gap: 20px; }\n  .driv-warranty-badge { background: #A8A8A8; color: #0f172a; font-size: 1.1em; font-weight: 800; padding: 10px 18px; border-radius: 4px; white-space: nowrap; }\n  .driv-warranty p { color: #cbd5e1; font-size: 0.95em; margin: 0; line-height: 1.6; }\n  .driv-warranty strong { color: #ffffff; }\n  .driv-cta { background: linear-gradient(135deg, #0f172a 0%, #1C1C1C 100%); padding: 60px 40px; text-align: center; color: white; }\n  .driv-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .driv-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .driv-hero { padding: 40px 20px; }\n    .driv-hero .driv-title { font-size: 1.8em; }\n    .driv-section { padding: 30px 20px; }\n    .driv-section h2 { font-size: 1.6em; }\n    .driv-grid { grid-template-columns: 1fr; }\n    .driv-warranty { flex-direction: column; gap: 12px; }\n    .driv-cta { padding: 40px 20px; }\n    .driv-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"driv-wrap\"\u003e\n\n  \u003cdiv class=\"driv-hero\"\u003e\n    \u003cp class=\"driv-title\"\u003eProline X Driv 650\u003c\/p\u003e\n    \u003cp class=\"driv-subtitle\"\u003e6.5\" Dual Voice Coil Subwoofer | 400W RMS | D2 \/ D4\u003c\/p\u003e\n    \u003cdiv class=\"driv-badges\"\u003e\n      \u003cspan class=\"driv-badge\"\u003e400W RMS \/ 800W Peak\u003c\/span\u003e\n      \u003cspan class=\"driv-badge\"\u003e42.5mm 4-Layer CCAW Coil\u003c\/span\u003e\n      \u003cspan class=\"driv-badge\"\u003e12mm Xmax\u003c\/span\u003e\n      \u003cspan class=\"driv-badge\"\u003eCarbon Fiber Overlay Cone\u003c\/span\u003e\n      \u003cspan class=\"driv-badge\"\u003e121mm Mounting Depth\u003c\/span\u003e\n      \u003cspan class=\"driv-badge\"\u003eCast Aluminum Basket\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"driv-section\"\u003e\n    \u003ch2\u003eReal Output. Compact Footprint.\u003c\/h2\u003e\n    \u003cp\u003eThe Proline X Driv 650 is a 6.5-inch subwoofer engineered for builds where space is limited but output expectations aren't. At 400 watts RMS and just 121mm of mounting depth, it slots into door pods, custom kick panels, underseat enclosures, and tight trunk builds that would reject anything larger — without asking you to give up excursion, motor strength, or cone integrity.\u003c\/p\u003e\n    \u003cp\u003eThis is a purpose-built subwoofer driver. The 42.5mm, 4-layer voice coil, the φ134×40mm ferrite motor, and 12mm of linear Xmax are all overspec for a 6.5-inch platform at this price point. That is exactly the point.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"driv-section\"\u003e\n    \u003ch2\u003eThe Cone: Paper Substrate, Carbon Fiber Overlay\u003c\/h2\u003e\n    \u003cp\u003eMost manufacturers cut corners on the cone at this price. The Driv 650 uses a paper substrate with a carbon fiber overlay — a construction method that combines paper's natural damping characteristics with the rigidity and mass control of composite material.\u003c\/p\u003e\n    \u003cp\u003ePaper delivers the internal damping that SQ-oriented builders have relied on for decades. The carbon overlay adds rigidity across the cone surface, resisting the breakup modes that cause distortion at high excursion. The combination produces a piston that moves predictably through the full 12mm Xmax stroke — no flex, no breakup, no harmonic distortion spike at the top of travel.\u003c\/p\u003e\n\n    \u003cdiv class=\"driv-highlight\"\u003e\n      \u003ch3\u003eWhy the Overlay Matters\u003c\/h3\u003e\n      \u003cp\u003e\u003cstrong\u003ePaper alone\u003c\/strong\u003e at 300+ watts into a 6.5-inch driver will begin to deviate from pistonic behavior as the cone surface flexes under load. The breakup introduces harmonic distortion that shows up as congestion and harshness in the bass — audible long before mechanical failure.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eThe carbon fiber overlay\u003c\/strong\u003e raises the breakup threshold significantly without replacing the paper's natural damping properties. The result is a cone that behaves like a rigid piston through the driver's full operating range — accurate at moderate power, composed at full rated output.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"driv-grid\"\u003e\n      \u003cdiv class=\"driv-card\"\u003e\n        \u003ch4\u003e42.5mm 4-Layer CCAW Voice Coil\u003c\/h4\u003e\n        \u003cp\u003eCopper-clad aluminum wire wound in four layers on an aluminum former. CCAW reduces moving mass versus pure copper while maintaining conductivity, improving transient response. The aluminum former dissipates heat faster than Kapton, extending the coil's sustained power capacity under real-world listening conditions.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"driv-card\"\u003e\n        \u003ch4\u003eφ134×40mm Ferrite Motor\u003c\/h4\u003e\n        \u003cp\u003eA substantial magnetic structure for a 6.5-inch driver. BL of 13.6 T·m (D2) and 16.65 T·m (D4) provides the motor authority to keep the coil controlled through the full Xmax range — not just at moderate excursion levels where most drivers perform adequately.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"driv-card\"\u003e\n        \u003ch4\u003e12mm Linear Xmax\u003c\/h4\u003e\n        \u003cp\u003e12mm of one-way linear excursion in a 6.5-inch driver is a meaningful specification. It means the coil remains in the linear portion of the magnetic field through the full stroke range, which keeps distortion low and output clean at the upper end of the driver's power handling.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"driv-card\"\u003e\n        \u003ch4\u003eCast Aluminum Basket\u003c\/h4\u003e\n        \u003cp\u003eThe basket maintains spider and surround geometry under high mechanical stress. Combined with the polypropylene spider and rubber surround, the suspension system is calibrated for controlled return — the Driv 650 is tuned to play accurately, not just move a lot of air.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"driv-section\"\u003e\n    \u003ch2\u003eEnclosure Recommendations\u003c\/h2\u003e\n    \u003cp\u003eThe Driv 650's Qts of 0.60 (D2) to 0.70 (D4) makes it well suited to both sealed and modest ported alignments. It is not a free-air or IB driver — it performs best in a purpose-built enclosure sized to its parameters.\u003c\/p\u003e\n\n    \u003cdiv class=\"driv-grid\"\u003e\n      \u003cdiv class=\"driv-card\"\u003e\n        \u003ch4\u003eSealed — 0.25 to 0.35 ft³ Net\u003c\/h4\u003e\n        \u003cp\u003eTight, accurate bass with excellent transient response. The preferred alignment for SQ builds, musical daily drivers, and any install where accuracy matters more than maximum output. The Driv 650's natural damping characteristics shine in a well-built sealed enclosure.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"driv-card\"\u003e\n        \u003ch4\u003ePorted — 0.4 to 0.5 ft³ Net, 42–46 Hz\u003c\/h4\u003e\n        \u003cp\u003eNoticeably more low-frequency output and extension compared to sealed, with a manageable enclosure footprint. Recommended for builds where volume is available and output is the primary objective. Avoid tuning below 38 Hz — the driver's Fs and Vas are not optimized for very low tuning alignments.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"driv-warranty\"\u003e\n      \u003cdiv class=\"driv-warranty-badge\"\u003e1-Year Warranty\u003c\/div\u003e\n      \u003cp\u003eEvery Proline X Driv 650 carries a \u003cstrong\u003e1-year limited warranty\u003c\/strong\u003e covering manufacturing defects in materials and workmanship. Contact Audio Intensity directly — no third-party claims process.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"driv-section\"\u003e\n    \u003ch2\u003eImpedance Configurations\u003c\/h2\u003e\n    \u003cp\u003eThe Driv 650 is available in dual 2-ohm (D2) and dual 4-ohm (D4) configurations. Both variants share an identical mechanical platform — same basket, cone, magnet, and motor geometry. The only difference is voice coil winding impedance.\u003c\/p\u003e\n\n    \u003cdiv class=\"driv-grid\"\u003e\n      \u003cdiv class=\"driv-card\"\u003e\n        \u003ch4\u003eD4 — Dual 4-Ohm (Default)\u003c\/h4\u003e\n        \u003cp\u003eWires to a 2-ohm mono load when both coils are paralleled — the standard configuration for most monoblock amplifiers. The most common daily driver pairing. BL of 16.65 T·m gives the D4 slightly higher motor authority than the D2.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"driv-card\"\u003e\n        \u003ch4\u003eD2 — Dual 2-Ohm\u003c\/h4\u003e\n        \u003cp\u003eWires to a 1-ohm mono load when paralleled, for amplifiers specifically rated at 1 ohm. Can also run each coil independently on a 2-channel amplifier at 2 ohms per side. Choose D2 for 1-ohm rated amplifiers or bridged multi-channel builds.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"driv-cta\"\u003e\n    \u003ch2\u003eThe Driv 650. Built for the Build That Has No Room for Compromise.\u003c\/h2\u003e\n    \u003cp\u003e400W RMS. Carbon fiber overlay cone. 42.5mm 4-layer CCAW voice coil. 12mm linear Xmax. Cast aluminum basket. 121mm mounting depth. Available in D2 and D4. Shipping included.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Dual 4 ohm","offer_id":43184123052121,"sku":"Driv 650 d4","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Dual 2 ohm","offer_id":43184123084889,"sku":"Driv 650 d2","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/proline-x-driv-850-8-800w-subwoofersubwooferproline-x-1630660.png?v=1774914551","url":"https:\/\/audiointensity.com\/products\/proline-x-driv-650-6-5-400w-subwoofer","provider":"Audio Intensity","version":"1.0","type":"link"}