The Optimal Audio OAPAK-24 is a complete, performance-focused audio kit designed for smaller commercial environments that require balanced full-range sound without excessive system scale. Ideal for cafés, bars, boutique hospitality venues and intimate leisure spaces, this kit delivers clear mid-high reproduction with controlled low-frequency support in a compact, installer-friendly format. OAPAK-24 combines CUBOID5 full-range loudspeakers with SUB6 6" subwoofers, powered by the Smart Amp 30, to create a well-balanced system capable of delivering both clarity and low-end warmth. Designed for venues where space is limited but sound quality remains a priority, this kit offers a refined audio solution that supports background music and elevated playback levels. Supplied with mounting hardware, amplification accessories and speaker cabling, OAPAK-24 provides a streamlined route to professional audio performance in smaller spaces. A suitable pre-amplifier or line-level audio source is required to feed the system, ensuring correct signal routing and optimal performance from the amplification and loudspeakers. We will be happy to advise on your requirements.

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The Optimal Audio OAPAK-23 is a comprehensive performance-driven audio kit designed for commercial venues that demand both impactful low-frequency energy and strong full-range sound reproduction. Ideal for bars, hospitality venues, leisure spaces and high-energy commercial environments, this kit delivers a balanced, scalable solution built around powerful amplification and premium loudspeaker components. OAPAK-23 combines dual SUB10 10" subwoofers with CUBOID8 full-range loudspeakers, powered by the Smart Amp 30, creating a high-output system capable of delivering both depth and clarity across a wide frequency range. This kit is suited to venues where background music transitions into higher-energy playback, or where sound presence and impact are key to the customer experience. Supplied with mounting hardware, amplification accessories and speaker cabling, OAPAK-23 is designed for efficient installation and long-term performance. A suitable pre-amplifier or line-level audio source is required to feed the system, ensuring correct signal routing and optimal performance from the amplification and loudspeakers. We will be happy to advise on your requirements.

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The Optimal Audio OAPAK-22 is a high-performance low-frequency extension kit designed for commercial venues that demand substantial bass impact and increased headroom. Ideal for larger bars, restaurants and hospitality environments, this kit builds on the dual-subwoofer concept by utilising larger, higher-power subwoofers for maximum low-end authority. OAPAK-22 employs two Optimal Audio SUB10 subwoofers, powered by the Smart Amp 20, delivering significant low-frequency output while maintaining a controlled and professional sound profile. The dual-subwoofer configuration improves bass distribution across the venue, reducing localisation and providing a more consistent listening experience. Designed as an add-on rather than a standalone system, OAPAK-22 integrates seamlessly with existing Optimal Audio ZONE or Smart Amp installations, offering a straightforward upgrade path for venues seeking increased low-frequency performance.  To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAPAK-21 is a powerful low-frequency extension kit designed for commercial venues that require increased bass output while maintaining a discreet, space-efficient footprint. Ideal for restaurants, bars, hospitality and leisure environments where low-end impact is desired without deploying large-format subwoofers, this kit delivers controlled, scalable performance as an add-on to existing Optimal Audio systems. OAPAK-21 utilises two Optimal Audio SUB6 6" subwoofers powered by the Smart Amp 20, creating a compact dual-subwoofer solution with enhanced headroom and improved low-frequency distribution. By deploying multiple smaller subwoofers rather than a single large unit, the system achieves greater bass presence, smoother coverage and improved placement flexibility. Designed as an extension rather than a standalone system, OAPAK-21 integrates seamlessly with existing Optimal Audio ZONE or Smart Amp-based installations, providing a straightforward upgrade path for venues seeking more impactful background music performance. To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAPAK-20 is a high-performance low-frequency extension kit designed to enhance existing Optimal Audio background music systems with greater bass impact and headroom. Intended for venues with higher ambient noise levels or larger spaces, this kit builds on the OAPAK-19 concept by upgrading to a more powerful subwoofer solution, whilst keeping a compact form factor. OAPAK-20 combines the Optimal Audio SUB10 subwoofer with the Smart Amp 10 to deliver controlled, authoritative low-frequency reinforcement. Designed as an add-on rather than a standalone system, the kit integrates seamlessly with existing Optimal Audio ZONE or Smart Amp installations, adding depth and warmth without disrupting the core audio architecture for small to medium sized applications. The SUB10 offers higher power handling than smaller subwoofer formats, making it suitable for larger hospitality venues and spaces where greater audio presence is required. Flexible installation is supported through the included wall-mount bracket, while rack ears allow neat amplifier integration in equipment racks or back-of-house locations. To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAPAK-19 is a dedicated low-frequency extension kit designed to enhance existing Optimal Audio background music systems. Engineered for venues that require greater depth and impact at lower frequencies, this kit provides a simple and scalable method of introducing sub-bass reinforcement without redesigning the core audio system. OAPAK-19 pairs the Optimal Audio SUB6 6" subwoofer with the Smart Amp 10, creating a self-contained low-frequency reinforcement solution that integrates seamlessly with existing Optimal Audio ZONE or Smart Amp-based installations. Thanks to power sharing between the output channels, the Smart 10 amplifier will auto-configure full power to the single connected subwoofer, offering a cost-effective but high quality option to extend bass frequencies in a BGM system. Nothing else should be connected to the secondary output channel on the amplifier to power the subwoofer adequately. The subwoofer is avaibale in both black and white. Designed as an add-on rather than a standalone system, the kit allows integrators to introduce controlled bass extension to background music systems in restaurants, bars, hospitality venues and retail environments where fuller sound is desired. Flexible mounting options are supported via the included wall bracket for the subwoofer, while rack ears are supplied for amplifier integration in AV racks or back-of-house installations. To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAPAK-18 is a high-coverage add-on speaker kit designed to extend existing Optimal Audio systems built around the ZONE series mixer-amplifiers. Developed for commercial venues requiring broader sound distribution and increased audio presence, this kit offers a robust and scalable solution using high-output surface-mount loudspeakers. OAPAK-18 is powered by the Optimal Audio Smart Amp 10 and features six CUBOID5-TX surface-mount loudspeakers, delivering strong output, improved low-frequency response and wide, even coverage. The system is designed to operate as a 100V line configuration, making it well suited to distributed audio applications where speaker quantity, cable efficiency and future scalability are key considerations. As part of the OAPAK add-on range, this kit integrates seamlessly with any existing Optimal Audio ZONE-based installation, providing dedicated amplification and expanded loudspeaker coverage without altering the core system. To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAPAK-14 is a flexible add-on speaker kit designed to extend existing Optimal Audio systems built around the ZONE series mixer-amplifiers. Engineered for venues where visual discretion is a priority, this kit provides a streamlined method of adding ceiling-based background music without altering the core system architecture. OAPAK-14 is powered by the Optimal Audio Smart Amp 10 and includes four UP4 in-ceiling loudspeakers, delivering smooth, even background audio in a compact and unobtrusive format. The system supports both 100V line and low-impedance operation, enabling installers to configure the kit to suit the technical and scalability requirements of the venue. Designed specifically as an expansion solution, OAPAK-14 integrates seamlessly with any Optimal Audio ZONE-based system, providing dedicated amplification and loudspeaker coverage for additional areas. To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAPAK-15 is a versatile add-on speaker kit designed to expand existing Optimal Audio systems based around the ZONE series mixer-amplifiers. Developed for venues where ceiling installation is impractical or undesirable, this kit provides a straightforward method of adding high-quality background music using compact surface-mount loudspeakers. OAPAK-15 is driven by the Optimal Audio Smart Amp 10 and features CUBOID3-TX surface-mount loudspeakers, offering flexible placement across walls, pillars or structural features. The system supports both 100V line and low-impedance operation, allowing it to be configured to suit a wide range of commercial installation scenarios. The CUBOID5 loudspeakers are supplied with the CIPKIT allowing for installation outdoors if required thanks to an IP54 rating. Designed as an expansion solution rather than a standalone system, OAPAK-15 integrates cleanly into any ZONE-based Optimal Audio installation, delivering additional coverage without disrupting the existing audio architecture. To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAPAK-17 is a streamlined add-on speaker kit designed to expand existing Optimal Audio systems built around the ZONE series mixer-amplifiers. Targeted at venues requiring increased audio presence without deploying a larger speaker array, this kit offers a balanced approach to coverage, output and installation efficiency. OAPAK-17 is powered by the Optimal Audio Smart Amp 10 and includes four CUBOID5-TX surface-mount loudspeakers, delivering strong output and enhanced low-frequency performance in a compact deployment. The system is designed to operate either as a 100V line or low impedance system, making it ideal for distributed audio applications where reliability, cable efficiency and scalability are priorities. As with the wider OAPAK add-on range, this kit integrates seamlessly into existing ZONE-based installations, adding dedicated amplification and loudspeaker coverage without impacting the primary system configuration. To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAPAK-16 is a high-capacity add-on speaker kit developed to extend existing Optimal Audio systems based on the ZONE series mixer-amplifiers. Designed for venues requiring greater sound coverage and increased audio presence, this kit provides a simple and scalable route to expanding background music performance using higher-output surface-mount loudspeakers. OAPAK-16 is powered by the Optimal Audio Smart Amp 10 (SAMP10) and features six CUBOID3-TX surface-mount loudspeakers, delivering enhanced coverage and discreet installation. The system is configured to operate exclusively as a 100V line system, making it well suited to distributed audio applications where speaker quantity, cable runs and future scalability are key considerations. The loudspeakers are avaibale in both black and hite making integration to any venue a simple task without having to worry about ruining aesthetics.  As with all add-on kits in the OAPAK range, OAPAK-16 is designed to integrate seamlessly with existing ZONE-based installations, adding dedicated amplification and loudspeaker coverage without impacting the core system. To complete installation, only balanced twin-conductor audio cable (microphone cable) is required to feed audio to the Smart Amp 10. This is available by the metre in black, allowing precise specification for each project.

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The Optimal Audio OAKIT-12 is a purpose-designed add-on speaker kit created to extend existing Optimal Audio systems built around the ZONE series mixer-amplifier kits. Ideal for venues requiring additional loudspeaker coverage without reconfiguring the core system, this kit provides a simple, scalable route to expanding background music capability. OAKIT-12 is powered by the Optimal Audio Smart Amp 10 and includes eight UP4 in-ceiling loudspeakers to be configured as a 100V line system. This allows the kit to operate as a dedicated expansion zone or satellite speaker system, seamlessly integrating with any Optimal Audio ZONE-based installation. The UP4 ceiling speakers are supplied with bezel-less grilles in either black or white (depending on kit selection), ensuring the system blends effortlessly into the venue’s interior design while delivering consistent background audio coverage. Supplied with a 100m speaker cable drum, all that's needed to complete installation is some balanced twin-conductor audio cable (microphone cable). This is available by the metre in black, allowing precise specification for each project.

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