{"title":"Proline X - Performance Optimized Series Enclosures | Sony","description":"\u003cdiv class=\"ai-collection-grid\"\u003e\n\u003cdiv class=\"ai-block\"\u003e\n\u003ch2\u003eTuned for Sony subwoofers\u003c\/h2\u003e\n\u003cp\u003eThese enclosures are not universal boxes sized to fit Sony drivers — they are tuned to Sony subwoofer parameters. Internal volume, port dimensions, and cabinet geometry are matched to the Thiele-Small characteristics of Sony woofers at each specific diameter. This produces an enclosure that extracts more output from a Sony driver than a general-purpose box of the same construction. Available in 10-inch, and 12-inch sizes across single and dual configurations in both sealed and ported types.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-block\"\u003e\n\u003ch2\u003eSealed and ported options\u003c\/h2\u003e\n\u003cp\u003eBoth sealed and ported enclosures are available in this series. The sealed option delivers controlled transient response and a gradual low-frequency rolloff that integrates predictably with most amplifier subwoofer channels. The ported option uses a port tuned to the specific Sony driver size it is built for, extending low-frequency efficiency and increasing SPL output at the tuning frequency. Port dimensions are not generic — they are calculated for Sony woofer parameters at each diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-block\"\u003e\n\u003ch2\u003eDado and V-Groove construction\u003c\/h2\u003e\n\u003cp\u003eCabinet panels are joined using Dado and V-Groove cuts, which create interlocking channels at each panel intersection before bonding. This mechanical lock adds shear resistance beyond what adhesive alone provides and maintains panel alignment during assembly and curing. Sony subwoofers are designed for consistent output across a range of install conditions — the Dado and V-Groove joint maintains cabinet integrity and internal volume accuracy under the repeated pressure cycles generated by sustained driver excursion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-block\"\u003e\n\u003ch2\u003eDriver fitment and mounting\u003c\/h2\u003e\n\u003cp\u003eThe single mounting face is sized to each Sony driver diameter — 10-inch, 12-inch, and 15-inch — in single and dual configurations. Woofer mounting uses standard screws, which are not supplied. The woofer sits flush against the baffle without a recessed cutout. Confirm screw length against your specific Sony driver's basket depth before install — screws that are too long risk contacting the voice coil assembly and causing permanent damage to the driver.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ai-block\"\u003e\n    \u003ch2\u003eFinish options\u003c\/h2\u003e\n    \u003cp\u003eEach enclosure is available in grey trunkliner or plush black carpet. Grey trunkliner is a durable textured coating that resists moisture and abrasion, making it a practical choice for trunk installs where the enclosure may see regular handling. Plush black carpet gives a clean finished appearance that blends with factory interior materials in most vehicles. Both finishes are applied before the enclosure leaves the facility and require no additional treatment before install. Neither finish affects internal volume or port tuning.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003cdiv class=\"ai-block\"\u003e\n\u003ch2\u003eBuild specification and series position\u003c\/h2\u003e\n\u003cp\u003eThese enclosures ship without polyfill, prewiring, or rubber feet. Polyfill is excluded to preserve the accuracy of the Sony-specific port tuning and internal volume — adding fill material to a driver-matched ported enclosure alters the alignment it was built around. This series sits above the standard Performance tier and is the correct choice when the goal is to run a Sony subwoofer in an enclosure built specifically for its parameters, not adapted from a universal design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"performance-optimized-sealed-10-enclosure-sony-es","title":"Performance Optimized Sealed 10\" Enclosure | Sony ES","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-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    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized | Sony Mobile ES\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 10\" Sealed Enclosure | Driver-Specific for the XS-W104ES\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.0 ft³ Net\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eDriver-Specific\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eThreaded Inserts\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e20\" × 14\" × 9.5\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eLangboard Elite MDF\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Sony XS-W104ES Deserves a Box Built for It\u003c\/h2\u003e\n    \u003cp\u003eSony's Mobile ES Series represents the pinnacle of their car audio engineering. The XS-W104ES is built around a mica flake \/ aramid fiber \/ pulp cone with a honeycomb core, separated-notch rubber surround, and a 450-watt RMS power rating that demands a properly sized cabinet to deliver on its potential. Drop it in a generic box and you'll get good bass. Drop it in a cabinet engineered around its intended sealed alignment and you'll hear what the Mobile ES Series was designed to do.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Sealed 10 for Sony ES is that cabinet. Internal volume, baffle thickness, and mounting hardware are all chosen to extract the XS-W104ES's full mechanical and acoustic potential — not approximated, not averaged across a class of 10s, not adapted from a universal box.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003eThis enclosure is engineered specifically around the Sony XS-W104ES. The 1.0 cu ft net volume and direct-fit cutout are tuned to the Mobile ES Series 10 — not a generic 10\" platform.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWhy Performance Optimized Sits Where It Does\u003c\/h2\u003e\n    \u003cp\u003eThe Performance Optimized line is the bridge between our standard Performance Series and our top-tier Professional Series. Same Performance-tier construction quality — Langboard Elite MDF, V-groove and dado joinery, ShopSabre CNC routing — but the geometry of every panel is cut around one specific driver instead of a class of drivers.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Performance Series\u003c\/h4\u003e\n        \u003cp\u003eStandard Performance Series boxes (P6 through P15) are built for universal driver fitment within a size class. Great if you want flexibility across multiple driver options. Performance Optimized takes the same construction and locks the airspace and hardware to one specific driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003evs Professional Series\u003c\/h4\u003e\n        \u003cp\u003eProfessional Series uses extensive multi-layer baffles, triple-stacked construction, and a 2-year warranty for the most demanding builds. Performance Optimized delivers driver-specific engineering at a more accessible price point with a 1-year warranty.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eEngineered Around the XS-W104ES\u003c\/h2\u003e\n    \u003cp\u003eThe Sony Mobile ES Series 10\" performs best in a sealed cabinet that gives the cone the right air spring without overdamping the response. 1.0 cu ft net is where the XS-W104ES settles into its intended SQ-oriented sealed alignment — tight, articulate transients on kick drums and bass guitar, controlled low-end extension, and the tonal accuracy Sony engineered the Mobile ES Series cone composition to deliver.\u003c\/p\u003e\n    \u003ch3\u003eVolume Selection\u003c\/h3\u003e\n    \u003cp\u003e1.0 cu ft net is the airspace that lets the Sony cone work cleanly without fighting the cabinet. Smaller volumes overdamp the response and dry out the bottom end. Larger volumes loosen Qtc and compromise the Sony's signature controlled presentation. 1.0 cu ft is the SQ-oriented sweet spot for the Mobile ES Series 10.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry\u003c\/h3\u003e\n    \u003cp\u003eThe baffle is cut to the XS-W104ES's exact direct-fit specification. The 5.382\" mounting depth on the Sony leaves comfortable internal clearance behind the magnet structure inside the 9.5\" deep cabinet. No interference, no airspace robbed by a deep motor.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Driver-Specific Tuning\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec — denser and more dimensionally stable than commodity MDF. Less panel resonance, tighter joints, and a longer service life under daily use at real power levels.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the cabinet fold into shape with maximum glue surface. Dado joints lock the baffle and rear panel into the side walls — no fasteners visible from outside.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003e8\/32 Threaded Inserts\u003c\/h4\u003e\n        \u003cp\u003eThreaded inserts pressed into the baffle backside accept stainless steel mounting screws. No stripped pilot holes, no MDF damage from drywall screws, no surprises when the next driver upgrade rolls around.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. Tolerances that manual fabrication can't hold — joints close cleanly, baffle concentricity stays accurate, and internal volume is consistent unit to unit.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003e\u003cstrong\u003eDark Gray Trunkliner\u003c\/strong\u003e is the standard durable wrap, matched to most factory trunk and cargo-area carpet tones. \u003cstrong\u003ePlush Black\u003c\/strong\u003e (+$10) is a deeper, more luxurious nap that pairs well with blacked-out interiors and show builds.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eChoose \u003cstrong\u003eBlack, Blue, Red, or White\u003c\/strong\u003e for the baffle insert to match your build. Or skip the insert entirely (-$40) for a clean, understated look. The insert is purely cosmetic — performance is identical across colors.\u003c\/p\u003e\n    \u003ch3\u003eBox-Only or Loaded\u003c\/h3\u003e\n    \u003cp\u003eAdd a \u003cstrong\u003eSony XS-W104ES\u003c\/strong\u003e driver directly to your order and we'll ship the complete loaded system, ready to wire to your amplifier. Already own your XS-W104ES? Order the enclosure box-only and drop in the driver you have.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the XS-W104ES to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe Sony XS-W104ES is a single 4-ohm voice coil driver — simpler wiring than a dual-coil design, and ideally suited for monoblock subwoofer amplifiers stable at 2 or 4 ohms. The pre-wired terminal cup accepts the XS-W104ES's gold-plated spring terminals via 12-gauge OFC, with stainless hardware on the input side that accepts both spade and banana terminations.\u003c\/p\u003e\n    \u003cp\u003eThe XS-W104ES is rated for 450 watts RMS. Aim for a clean, well-regulated amplifier delivering 350 to 450 watts at 4 ohms — Sony designed this driver for refined power, not headline numbers. Mobile ES Series amplifiers from Sony's lineup are engineered to pair specifically with this driver, but any quality monoblock with honest 4-ohm output will work.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped — a 2 to 5 business day assembly window before the box ships. No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e — we install this gear ourselves, in our own vehicles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eStop Compromising Your Mobile ES\u003c\/h2\u003e\n    \u003cp\u003eDriver-specific engineering, Performance Series construction, and the option to bundle the XS-W104ES driver in one order. Build the box that was designed for the sub you've already chosen.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Plush Black \/ Black \/ Box Only","offer_id":43287920181337,"sku":"PO Sony 10-S BB none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Black \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920246873,"sku":"PO Sony 10-S BB 4 ohm","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Box Only","offer_id":43287920279641,"sku":"PO Sony 10-S BBL none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Blue \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920345177,"sku":"PO Sony 10-S BBL 4 ohm","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Box Only","offer_id":43287920377945,"sku":"PO Sony 10-S BR none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ Red \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920443481,"sku":"PO Sony 10-S BR 4 ohm","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Box Only","offer_id":43287920476249,"sku":"PO Sony 10-S BW none","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ White \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920541785,"sku":"PO Sony 10-S BW 4 ohm","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Box Only","offer_id":43287920574553,"sku":"PO Sony 10-S B none","price":209.99,"currency_code":"USD","in_stock":true},{"title":"Plush Black \/ None \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920640089,"sku":"PO Sony 10-S B 4 ohm","price":409.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Box Only","offer_id":43287920672857,"sku":"PO Sony 10-S GB none","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Black \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920738393,"sku":"PO Sony 10-S GB 4 ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Box Only","offer_id":43287920771161,"sku":"PO Sony 10-S GBL none","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Blue \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920836697,"sku":"PO Sony 10-S GBL 4 ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Box Only","offer_id":43287920869465,"sku":"PO Sony 10-S GR none","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ Red \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287920935001,"sku":"PO Sony 10-S GR 4 ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Box Only","offer_id":43287920967769,"sku":"PO Sony 10-S GW none","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ White \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287921033305,"sku":"PO Sony 10-S GW 4 ohm","price":439.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Box Only","offer_id":43287921066073,"sku":"PO Sony 10-S G none","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Dark Gray Trunkliner \/ None \/ Add a Sony XS-W104ES Subwoofer","offer_id":43287921131609,"sku":"PO Sony 10-S G 4 ohm","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/performance-optimized-sealed-10-enclosure-sony-essubwoofer-enclosuresproline-x-2829482.webp?v=1779355147"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/collections\/proline-x-performance-optimized-series-enclosures-sony-2929056.jpg?v=1776046457","url":"https:\/\/audiointensity.com\/collections\/proline-x-performance-optimized-series-enclosures-sony.oembed","provider":"Audio Intensity","version":"1.0","type":"link"}