{"product_id":"quest-hpi18lp-professional-low-profile-18-inch-installation-subwoofer","title":"Quest HPI18LP Professional 18‑Inch Low‑Profile Subwoofer | 1000W RMS Deep Bass Performance","description":"\u003cp data-start=\"97\" data-end=\"666\"\u003eThe QUEST HPI18LP is a high-performance low-profile 18-inch installation subwoofer engineered for professional commercial audio systems requiring deep low-frequency reinforcement, high output capability, and discreet installation flexibility. Designed for hospitality venues, nightclubs, bars, restaurants, houses of worship, entertainment venues, retail environments, and premium foreground music systems, the HPI18LP delivers powerful and controlled bass performance while maintaining a compact low-profile enclosure format suitable for space-sensitive installations.\u003c\/p\u003e\n\u003cp data-start=\"668\" data-end=\"1161\"\u003eFeaturing a high-excursion 18-inch low-frequency driver housed within an acoustically optimized low-profile cabinet, the HPI18LP provides extended bass response, exceptional transient performance, and impressive SPL capability for demanding foreground music and sound reinforcement applications. The low-profile enclosure design allows discreet deployment beneath seating, stages, platforms, or within architectural installations where traditional large-format subwoofers may not be practical.\u003c\/p\u003e\n\u003cp data-start=\"1163\" data-end=\"1516\"\u003eEngineered for professional permanent installation, the HPI18LP integrates seamlessly with QUEST full-range loudspeaker systems to create powerful distributed audio environments with enhanced low-frequency impact and musical accuracy. Its durable professional-grade construction ensures reliable long-term operation in demanding commercial applications.\u003c\/p\u003e\n\u003cp data-start=\"1518\" data-end=\"1896\"\u003ePerformance Highlights:\u003cbr data-start=\"1541\" data-end=\"1544\"\u003e• High-performance low-profile 18-inch installation subwoofer\u003cbr data-start=\"1605\" data-end=\"1608\"\u003e• Deep and powerful low-frequency reinforcement with high SPL capability\u003cbr data-start=\"1680\" data-end=\"1683\"\u003e• Space-saving low-profile enclosure for discreet installations\u003cbr data-start=\"1746\" data-end=\"1749\"\u003e• Optimized acoustic design for tight and musical bass reproduction\u003cbr data-start=\"1816\" data-end=\"1819\"\u003e• Durable professional construction for permanent installation environments\u003c\/p\u003e\n\u003ch2 data-section-id=\"1071k5m\" data-start=\"1898\" data-end=\"1932\"\u003eWhy You Should Buy This Product\u003c\/h2\u003e\n\u003cp data-start=\"1934\" data-end=\"2281\"\u003e• ⭐ Powerful 18-inch driver delivers deep and impactful bass performance\u003cbr data-start=\"2006\" data-end=\"2009\"\u003e• ⭐ Low-profile enclosure ideal for space-sensitive installations\u003cbr data-start=\"2074\" data-end=\"2077\"\u003e• ⭐ Excellent low-frequency extension for foreground music systems\u003cbr data-start=\"2143\" data-end=\"2146\"\u003e• ⭐ Integrates seamlessly with QUEST installation loudspeakers\u003cbr data-start=\"2208\" data-end=\"2211\"\u003e• Reliable long-term operation for demanding commercial environments\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"2283\" data-end=\"2298\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"2300\" data-end=\"2712\"\u003e• 18-inch high-excursion low-frequency driver\u003cbr data-start=\"2345\" data-end=\"2348\"\u003e• Low-profile installation subwoofer design\u003cbr data-start=\"2391\" data-end=\"2394\"\u003e• High-output passive subwoofer system\u003cbr data-start=\"2432\" data-end=\"2435\"\u003e• Optimized enclosure for controlled bass performance\u003cbr data-start=\"2488\" data-end=\"2491\"\u003e• Suitable for foreground music and sound reinforcement systems\u003cbr data-start=\"2554\" data-end=\"2557\"\u003e• Professional installation-friendly cabinet design\u003cbr data-start=\"2608\" data-end=\"2611\"\u003e• Durable professional-grade construction\u003cbr data-start=\"2652\" data-end=\"2655\"\u003e• Flexible deployment for commercial audio applications\u003c\/p\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"2714\" data-end=\"2741\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1b952b4\" data-start=\"2743\" data-end=\"2754\"\u003eGeneral\u003c\/h3\u003e\n\u003cp data-start=\"2756\" data-end=\"2832\"\u003e• Product Type: Installation Subwoofer\u003cbr data-start=\"2794\" data-end=\"2797\"\u003e• Brand: QUEST\u003cbr data-start=\"2811\" data-end=\"2814\"\u003e• Model: HPI18LP\u003c\/p\u003e\n\u003ch3 data-section-id=\"jt44pa\" data-start=\"2834\" data-end=\"2857\"\u003eAudio \u0026amp; Performance\u003c\/h3\u003e\n\u003cp data-start=\"2859\" data-end=\"2987\"\u003e• Frequency Range (-10 dB): —\u003cbr data-start=\"2888\" data-end=\"2891\"\u003e• Frequency Response (±3 dB): —\u003cbr data-start=\"2922\" data-end=\"2925\"\u003e• Sensitivity (dB): —\u003cbr data-start=\"2946\" data-end=\"2949\"\u003e• Maximum SPL (continuous \/ peak): —\u003c\/p\u003e\n\u003ch3 data-section-id=\"l1oapi\" data-start=\"2989\" data-end=\"3007\"\u003ePower Handling\u003c\/h3\u003e\n\u003cp data-start=\"3009\" data-end=\"3055\"\u003e• Power Rating: —\u003cbr data-start=\"3026\" data-end=\"3029\"\u003e• Peak Power Handling: —\u003c\/p\u003e\n\u003ch3 data-section-id=\"d7gdns\" data-start=\"3057\" data-end=\"3069\"\u003eCoverage\u003c\/h3\u003e\n\u003cp data-start=\"3071\" data-end=\"3107\"\u003e• Coverage pattern: Not Applicable\u003c\/p\u003e\n\u003ch3 data-section-id=\"1lx9lq2\" data-start=\"3109\" data-end=\"3123\"\u003eComponents\u003c\/h3\u003e\n\u003cp data-start=\"3125\" data-end=\"3275\"\u003e• LF driver: 1 × 18” high-excursion low-frequency driver\u003cbr data-start=\"3181\" data-end=\"3184\"\u003e• HF driver: None\u003cbr data-start=\"3201\" data-end=\"3204\"\u003e• Crossover type: Passive \/ External DSP recommended\u003cbr data-start=\"3256\" data-end=\"3259\"\u003e• Impedance: —\u003c\/p\u003e\n\u003ch3 data-section-id=\"v033e1\" data-start=\"3277\" data-end=\"3304\"\u003ePhysical \u0026amp; Installation\u003c\/h3\u003e\n\u003cp data-start=\"3306\" data-end=\"3438\"\u003e• Enclosure material: —\u003cbr data-start=\"3329\" data-end=\"3332\"\u003e• Finish: Black\u003cbr data-start=\"3347\" data-end=\"3350\"\u003e• Mounting points: Installation compatible\u003cbr data-start=\"3392\" data-end=\"3395\"\u003e• Dimensions (H × W × D): —\u003cbr data-start=\"3422\" data-end=\"3425\"\u003e• Weight: —\u003c\/p\u003e\n\u003ch3 data-section-id=\"k34kmu\" data-start=\"3440\" data-end=\"3457\"\u003eConfiguration\u003c\/h3\u003e\n\u003cp data-start=\"3459\" data-end=\"3611\"\u003e• Speaker Type: Passive Subwoopasfer\u003cbr data-start=\"3492\" data-end=\"3495\"\u003e• System Type: Low-Profile Installation Subwoofer\u003cbr data-start=\"3544\" data-end=\"3547\"\u003e• Built-in Amplifier: No\u003cbr data-start=\"3571\" data-end=\"3574\"\u003e• Transformer: No\u003cbr data-start=\"3591\" data-end=\"3594\"\u003e• Mode: Passive\u003c\/p\u003e\n\u003ch3 data-section-id=\"v6ee9q\" data-start=\"3613\" data-end=\"3625\"\u003eIncluded\u003c\/h3\u003e\n\u003cp data-start=\"3627\" data-end=\"3674\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• 1 × Installation Subwoofer\u003cbr data-start=\"3655\" data-end=\"3658\"\u003e• 1 × User Guide\u003c\/p\u003e","brand":"Quest","offers":[{"title":"Default Title","offer_id":52962623914303,"sku":"QUEST HPI18LP","price":110300.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/5942\/1272\/files\/HPI_18LP_FrontLeft-tn.jpg?v=1778591655","url":"https:\/\/audiomaxx.in\/products\/quest-hpi18lp-professional-low-profile-18-inch-installation-subwoofer","provider":"Audiomaxx India","version":"1.0","type":"link"}