{"product_id":"hk-audio-portable-sub-118-a-active-18-inch-subwoofer","title":"HK Audio PORTABLE SUB 118 A Active 18-Inch Subwoofer","description":"\u003ch2\u003eHK Audio PORTABLE SUB 118 A Active 18-Inch Subwoofer\u003c\/h2\u003e\n\n\u003cp\u003eThe HK Audio PORTABLE SUB 118 A Active 18-Inch Subwoofer delivers extended low-end response for portable PA systems that need maximum bass performance. It combines an 18\" woofer, 1400W peak Class D amplification, 131 dB peak SPL, 24-bit DSP, and preset-based tuning for flexible professional sound reinforcement.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for DJs, live performers, rental providers, and production crews, this active subwoofer adds deeper bass to LUNAR, POLAR, SONAR, and general PA setups. Use the HK Audio PORTABLE SUB 118 A for dance floors, live events, mobile sound systems, and 2.1 speaker configurations that need stronger low-frequency output.\u003c\/p\u003e\n\n\u003cp\u003eA stereo preamp, selectable filter presets, polarity switching, gain control, and limiter protection help the sub integrate cleanly without complex setup. The bass reflex MDF cabinet, M20 pole mount, MultiGrip handles, steel grille, and German manufacturing make it a durable subwoofer for demanding portable audio applications.\u003c\/p\u003e\n\n\u003ch3\u003ePortable 18-Inch Active Subwoofer Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e18\" Low-Frequency Driver:\u003c\/strong\u003e Delivers extended bass response and added punch for high-impact live sound applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1400W Peak Power:\u003c\/strong\u003e Class D amplification provides strong low-frequency output for mobile PA and event production systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e131 dB Peak SPL:\u003c\/strong\u003e Produces powerful sound pressure for larger portable setups and bass-heavy program material.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreset-Based Integration:\u003c\/strong\u003e LUNAR, SONAR, POLAR, and General LPF 100 Hz presets adapt the subwoofer to different systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Stereo Preamp:\u003c\/strong\u003e Supports 2.1 system configurations with flexible left and right signal routing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Connections:\u003c\/strong\u003e Dual XLR\/jack combo inputs and dual XLR Thru outputs simplify integration with speakers and mixers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGain and Polarity Control:\u003c\/strong\u003e Adjustable gain and 0°\/180° polarity switching help tune bass response in the room.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoad-Ready Cabinet:\u003c\/strong\u003e MDF construction, acrylic enamel finish, MultiGrip handles, and steel grille support professional transport.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Active subwoofer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HK Audio\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PORTABLE SUB 118 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConcept:\u003c\/strong\u003e Active subwoofer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCabinet Principle:\u003c\/strong\u003e Bass reflex\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum SPL Peak:\u003c\/strong\u003e 131 dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum SPL Measurement:\u003c\/strong\u003e 1 x subwoofer at 1 m, 10% THD, half space\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrossover Frequency:\u003c\/strong\u003e 100 Hz \/ 80 Hz depending on preset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range -6 dB:\u003c\/strong\u003e 35 Hz - X-Over\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range -10 dB:\u003c\/strong\u003e 31 Hz - X-Over\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Frequency Driver:\u003c\/strong\u003e 1 x 18\" woofer with 3\" voice coil\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrossover:\u003c\/strong\u003e X-Over with 24 dB\/oct.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply Connection:\u003c\/strong\u003e 1 x IEC connector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Input:\u003c\/strong\u003e 2 x balanced XLR\/jack combo inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Output:\u003c\/strong\u003e 2 x balanced XLR Thru outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreamplifier:\u003c\/strong\u003e Stereo preamp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDSP Processing:\u003c\/strong\u003e 24-bit DSP for optimized performance and impulse response\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Amplifier:\u003c\/strong\u003e Class D, biamped\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Amplifier Output RMS:\u003c\/strong\u003e 700 W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Amplifier Output Peak:\u003c\/strong\u003e 1400 W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 0.5 A \/ 220-240 V AC at 1\/8 output power; 0.9 A \/ 100-120 V AC at 1\/8 output power\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Input Level:\u003c\/strong\u003e 20 dBu\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeaker Protection:\u003c\/strong\u003e Subsonic filter, peak limiter, and RMS limiter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSample Rate:\u003c\/strong\u003e 48 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLatency:\u003c\/strong\u003e 2 ms - 3.3 ms depending on preset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilter Presets:\u003c\/strong\u003e LUNAR, SONAR, POLAR, General LPF 100 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Systems:\u003c\/strong\u003e HK Audio LUNAR, POLAR, POLAR MK2, and SONAR systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Gain control, preset selector, 0°\/180° polarity switch, limit indicator, power switch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCabinet Features and Rigging:\u003c\/strong\u003e 1 x M20 pole mount\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarrying Handles:\u003c\/strong\u003e 2 x MultiGrip handles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCabinet Material:\u003c\/strong\u003e MDF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCabinet Surface:\u003c\/strong\u003e Acrylic enamel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Jet black, RAL 9005\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFront Grille:\u003c\/strong\u003e Steel front grille backed with acoustic foam\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20.08\" x 24.19\" x 27.66\" (W x H x D)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 86.65 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Accessory:\u003c\/strong\u003e Protective Cover PORTABLE SUB 118 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Manufacture:\u003c\/strong\u003e Germany\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5-year manufacturer’s warranty upon registration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HK Audio","offers":[{"title":"Default Title","offer_id":46498098315461,"sku":"HKA-PS118A","price":1549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/1-hk-audio-ps-118-a_f1a8b549-afaf-42d8-8f5b-3af6ad4f5d88.jpg?v=1783363864","url":"https:\/\/avlgear.com\/products\/hk-audio-portable-sub-118-a-active-18-inch-subwoofer","provider":"AVLGEAR","version":"1.0","type":"link"}