{"product_id":"optimal-audio-cuboid-15-15-inch-passive-loudspeaker","title":"Optimal Audio Cuboid 15 15\" Loudspeaker","description":"\u003cp data-start=\"457\" data-end=\"880\"\u003eThe Optimal Audio Cuboid 15 is a high-output 2-way passive loudspeaker designed to deliver powerful full-range audio performance in demanding commercial and professional environments. As the largest model in the Cuboid series, it offers maximum output capability, extended low-frequency response, and strong projection, making it ideal for medium to large spaces where impactful sound and consistent coverage are essential.\u003c\/p\u003e\n\u003cp data-start=\"882\" data-end=\"1120\"\u003eEngineered for both installation and live applications, the Cuboid 15 combines robust construction with refined acoustic performance, providing a reliable solution for venues requiring high sound pressure levels and clear, detailed audio.\u003c\/p\u003e\n\u003ch3 data-section-id=\"hycxcr\" data-start=\"1122\" data-end=\"1182\"\u003eHigh-Output Design with Deep Low-Frequency Performance\u003c\/h3\u003e\n\u003cp data-start=\"1184\" data-end=\"1458\"\u003eThe Cuboid 15 is built around a 15-inch low-frequency driver paired with a high-frequency compression driver, delivering a powerful and full-bodied sound profile with strong bass, defined midrange, and clear high-frequency projection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1460\" data-end=\"1668\"\u003eWith high power handling and peak output levels exceeding 130dB, it is designed for applications requiring significant output and headroom without compromising clarity. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1670\" data-end=\"1710\"\u003eThis makes it particularly suitable for:\u003c\/p\u003e\n\u003cul data-start=\"1711\" data-end=\"1823\"\u003e\n\u003cli data-section-id=\"n24rgk\" data-start=\"1711\" data-end=\"1739\"\u003eForeground music systems\u003c\/li\u003e\n\u003cli data-section-id=\"1smvoqd\" data-start=\"1740\" data-end=\"1784\"\u003eBars, clubs and large hospitality venues\u003c\/li\u003e\n\u003cli data-section-id=\"m5e5yg\" data-start=\"1785\" data-end=\"1823\"\u003eEvent spaces and live environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1xegrt\" data-start=\"1825\" data-end=\"1860\"\u003e8 Ohm Low Impedance Operation\u003c\/h3\u003e\n\u003cp data-start=\"1862\" data-end=\"2072\"\u003eConfigured for 8 ohm operation, the Cuboid 15 is designed to be used with professional amplification, allowing flexible system design across a wide range of applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2074\" data-end=\"2087\"\u003eThis enables:\u003c\/p\u003e\n\u003cul data-start=\"2088\" data-end=\"2242\"\u003e\n\u003cli data-section-id=\"tsczd3\" data-start=\"2088\" data-end=\"2143\"\u003eIntegration into high-performance installed systems\u003c\/li\u003e\n\u003cli data-section-id=\"12q3wjz\" data-start=\"2144\" data-end=\"2203\"\u003eFlexible amplifier pairing based on system requirements\u003c\/li\u003e\n\u003cli data-section-id=\"c088ei\" data-start=\"2204\" data-end=\"2242\"\u003eScalable multi-speaker deployments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1rlde17\" data-start=\"2244\" data-end=\"2293\"\u003eControlled Dispersion for Targeted Coverage\u003c\/h3\u003e\n\u003cp data-start=\"2295\" data-end=\"2496\"\u003eThe Cuboid 15 features a high-frequency compression driver with a user-rotatable horn, allowing consistent coverage whether installed vertically or horizontally. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2498\" data-end=\"2694\"\u003eWith a controlled dispersion pattern of approximately 80° horizontal by 50° vertical, it delivers focused sound distribution across defined listening areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2696\" data-end=\"2709\"\u003eThis ensures:\u003c\/p\u003e\n\u003cul data-start=\"2710\" data-end=\"2851\"\u003e\n\u003cli data-section-id=\"1d5g4y2\" data-start=\"2710\" data-end=\"2770\"\u003eReduced reflections in challenging acoustic environments\u003c\/li\u003e\n\u003cli data-section-id=\"bk47p3\" data-start=\"2771\" data-end=\"2811\"\u003eImproved clarity and intelligibility\u003c\/li\u003e\n\u003cli data-section-id=\"m3tn4w\" data-start=\"2812\" data-end=\"2851\"\u003eEfficient coverage in larger spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nubc8s\" data-start=\"2853\" data-end=\"2894\"\u003eInstallation-Friendly and Versatile\u003c\/h3\u003e\n\u003cp data-start=\"2896\" data-end=\"3083\"\u003eThe Cuboid 15 is designed for flexible installation, supporting both portrait and landscape mounting with compatible brackets and rigging hardware. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3085\" data-end=\"3172\"\u003eIts durable wooden cabinet and steel grille provide a professional finish suitable for:\u003c\/p\u003e\n\u003cul data-start=\"3173\" data-end=\"3296\"\u003e\n\u003cli data-section-id=\"14zuk5b\" data-start=\"3173\" data-end=\"3197\"\u003eBars and restaurants\u003c\/li\u003e\n\u003cli data-section-id=\"rdoyji\" data-start=\"3198\" data-end=\"3234\"\u003eRetail and showroom environments\u003c\/li\u003e\n\u003cli data-section-id=\"1g2b070\" data-start=\"3235\" data-end=\"3265\"\u003eLeisure and fitness venues\u003c\/li\u003e\n\u003cli data-section-id=\"18wcva3\" data-start=\"3266\" data-end=\"3296\"\u003eCorporate and event spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"brxekc\" data-start=\"3298\" data-end=\"3345\"\u003eDesigned for Medium to Large Applications\u003c\/h3\u003e\n\u003cp data-start=\"3347\" data-end=\"3559\"\u003eAs part of the Cuboid range, the Cuboid 15 is optimised for short to medium throw applications, delivering powerful and detailed sound with strong projection and precision. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3561\" data-end=\"3601\"\u003eThis makes it particularly effective in:\u003c\/p\u003e\n\u003cul data-start=\"3602\" data-end=\"3717\"\u003e\n\u003cli data-section-id=\"mkndox\" data-start=\"3602\" data-end=\"3639\"\u003eMedium to large commercial venues\u003c\/li\u003e\n\u003cli data-section-id=\"vpp6n8\" data-start=\"3640\" data-end=\"3666\"\u003eOpen-plan environments\u003c\/li\u003e\n\u003cli data-section-id=\"z14s7i\" data-start=\"3667\" data-end=\"3717\"\u003eAreas requiring impactful and controlled audio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"5q7zsa\" data-start=\"3719\" data-end=\"3752\"\u003eScalable System Integration\u003c\/h3\u003e\n\u003cp data-start=\"3754\" data-end=\"3968\"\u003eThe Cuboid 15 can be used as a standalone full-range loudspeaker or combined with subwoofers such as the Sub 15 to create a more powerful system for high-impact applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3970\" data-end=\"4100\"\u003eIt integrates seamlessly with Optimal Audio amplification and control platforms, enabling efficient system setup and optimisation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"18mpl78\" data-start=\"4102\" data-end=\"4156\"\u003eA High-Performance Solution for Commercial Audio\u003c\/h3\u003e\n\u003cp data-start=\"4158\" data-end=\"4471\"\u003eThe Optimal Audio Cuboid 15 delivers maximum output, extended low-frequency performance, and controlled coverage in a robust and installation-ready design. Its combination of scale, clarity, and flexibility makes it a strong choice for commercial audio systems requiring high-impact, reliable sound reinforcement.\u003c\/p\u003e","brand":"Optimal Audio","offers":[{"title":"Default Title","offer_id":56314378781058,"sku":"CUBOID15-B","price":699.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5767\/2578\/files\/Cuboid15Front.png?v=1770299757","url":"https:\/\/www.theavbarn.co.uk\/products\/optimal-audio-cuboid-15-15-inch-passive-loudspeaker","provider":"The AV Barn","version":"1.0","type":"link"}