{"product_id":"hk-audio-linear5mk2118sh-loudspeakers-pa-speakers-systems-portable-pa-line-array-systems","title":"HK Audio Linear 5 MK II 118S HPA 18 Inch 3000W Active Subwoofer with DSP (Black)","description":"\u003cp\u003eThe HK Audio LINEAR 5 MK II 118S HPA is the most powerful subwoofer in the LINEAR 5 MK II series, engineered to deliver deep, controlled, and powerful low frequencies for professional live sound and installation environments. With a robust 18-inch driver powered by a 1,500W RMS (3,000W peak) Class D amplifier, it produces exceptional bass performance with precision and reliability. Designed for touring and demanding applications, this active subwoofer features advanced onboard DSP, network control capability, and flexible cardioid presets for optimized system configuration. Its durable birch multiplex cabinet and professional-grade components ensure long-lasting performance on stage or in fixed installations.\u003c\/p\u003e\u003ch3\u003eHigh-Power Amplification:\u003c\/h3\u003e\u003cp\u003eThe subwoofer is powered by a 1,500W RMS and 3,000W peak Class D amplifier, delivering strong, clean, and efficient low-frequency performance suitable for demanding live sound applications.\u003c\/p\u003e\u003ch3\u003eExtended Low-Frequency Response:\u003c\/h3\u003e\u003cp\u003eWith a frequency response of 36 Hz to crossover (±3 dB) and extending down to 33 Hz (-10 dB), it produces deep, punchy bass with excellent clarity and definition.\u003c\/p\u003e\u003ch3\u003eHigh Maximum SPL Output:\u003c\/h3\u003e\u003cp\u003eCapable of reaching 130 dB maximum SPL and 131 dB peak (half space), this subwoofer provides powerful output ideal for large venues and high-energy environments.\u003c\/p\u003e\u003ch3\u003e18-Inch High-Performance Driver:\u003c\/h3\u003e\u003cp\u003eEquipped with a single 18-inch woofer featuring a 4-inch voice coil, it ensures strong low-end reproduction and consistent performance under heavy use.\u003c\/p\u003e\u003ch3\u003eAdvanced Integrated DSP:\u003c\/h3\u003e\u003cp\u003eThe built-in DSP includes a fully parametric 10-band EQ, low-pass filter, polarity control, delay, limiter, and mute functions, allowing precise sound tuning and system optimization.\u003c\/p\u003e\u003ch3\u003eFour Selectable EQ Presets:\u003c\/h3\u003e\u003cp\u003eIt offers Front, Cardioid 1:1 Vertical, Cardioid 2:1 Vertical, and Remote presets, enabling flexible configuration for different setup requirements.\u003c\/p\u003e\u003ch3\u003eNetwork Control Capability:\u003c\/h3\u003e\u003cp\u003eFeaturing Ethercon RJ45 In and Thru ports, the unit supports remote control and monitoring through DSP CONTROL software for Windows and Mac OS.\u003c\/p\u003e\u003ch3\u003eProfessional Audio Connectivity:\u003c\/h3\u003e\u003cp\u003eThe subwoofer includes two balanced XLR combo inputs, two balanced XLR thru outputs, and one balanced XLR DSP output for seamless integration into professional sound systems.\u003c\/p\u003e\u003ch3\u003eReliable Power Connections:\u003c\/h3\u003e\u003cp\u003ePowerCon NAC3 In and Thru connectors (100–240V) provide secure power linking and dependable operation.\u003c\/p\u003e\u003ch3\u003eDurable Cabinet Construction:\u003c\/h3\u003e\u003cp\u003eBuilt with a birch multiplex enclosure, finished in black acrylic enamel, and protected by a 2 mm metal grille with acoustic foam backing, it is designed for durability in touring and installation environments.\u003c\/p\u003e\u003ch3\u003eConvenient Handling and Mounting:\u003c\/h3\u003e\u003cp\u003eFour HK Audio MultiGrip handles ensure easy transport, and an integrated M20 pole mount allows flexible speaker system setup.\u003c\/p\u003e","brand":"KMC MUSIC, INC.","offers":[{"title":"Default Title","offer_id":52101738430758,"sku":"LINEAR5MK2118SH","price":3299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9803\/0886\/files\/3595844.jpg?v=1771339262","url":"https:\/\/www.focusproaudio.com\/products\/hk-audio-linear5mk2118sh-loudspeakers-pa-speakers-systems-portable-pa-line-array-systems","provider":"Focus Pro Audio","version":"1.0","type":"link"}