{"product_id":"ld-systems-icoa-pro-sub-21-a-21in-136db-1","title":"LD Systems ICOA Pro Sub 21 A | 21in - 136db","description":"\u003ch2\u003eHigh-Output 21\" Powered Subwoofer with DSP, Bluetooth \u0026amp; App Control\u003c\/h2\u003e The \u003cstrong\u003eLD Systems ICOA PRO SUB 21 A\u003c\/strong\u003e is a next-generation 21-inch active subwoofer built for the most demanding live sound, club, DJ, and install environments. Delivering up to \u003cstrong\u003e3000W peak\u003c\/strong\u003e of deep, precise bass output down to \u003cstrong\u003e29 Hz\u003c\/strong\u003e, this compact yet powerful sub features an advanced DSP, mobile app control, and innovative cabinet design optimized for transport and durability. \u003ch2\u003eLD Systems ICOA PRO SUB 21 A Competitive Differences\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e21\" Neodymium woofer with 4.5\" voice coil\u003c\/strong\u003e for ultra-tight, punchy, and extended low-end\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMassive 3000W peak \/ 1500W RMS Class D amplifier\u003c\/strong\u003e with up to \u003cstrong\u003e136 dB SPL\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSysCore® DSP\u003c\/strong\u003e with FIR\/IIR filters, 4-band PEQ, limiter, delay (up to 50m), and presets\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth® 5.1\u003c\/strong\u003e audio streaming and TrueWireless™ Stereo (TWS) support\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSix crossover presets\u003c\/strong\u003e including cardioid and low-latency modes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDual M20 pole mounts\u003c\/strong\u003e for horizontal or vertical stacking and top-mounting\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFront-facing status LED\u003c\/strong\u003e indicates limiter, power, or ID mode\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUltra-rugged 18mm birch plywood cabinet\u003c\/strong\u003e with polyurea coating and shock-resistant grille\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e8 ergonomic handles and stacking grooves\u003c\/strong\u003e for safe transport and fast setup\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFits standard transport vans\u003c\/strong\u003e with compact footprint—ideal for mobile applications\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eLD Systems ICOA PRO SUB 21 A Description\u003c\/h2\u003e The \u003cstrong\u003eICOA PRO SUB 21 A\u003c\/strong\u003e from LD Systems redefines what’s possible in a compact, transport-friendly 21” subwoofer. Whether you're a touring DJ, live engineer, or install tech, this powerhouse sub provides everything you need for impactful, clean, distortion-free bass in even the most demanding environments.\r\nAt its core is a \u003cstrong\u003ecustom-designed 21\" neodymium driver\u003c\/strong\u003e with a 4.5” voice coil, delivering precision bass that reaches as low as \u003cstrong\u003e29 Hz\u003c\/strong\u003e. Thanks to a \u003cstrong\u003econvection-cooled 3000W Class D amp\u003c\/strong\u003e and optimized reflex porting, the sub remains cool while pumping out up to \u003cstrong\u003e136 dB SPL\u003c\/strong\u003e without distortion.\r\n\r\nThe integrated \u003cstrong\u003eSysCore® DSP\u003c\/strong\u003e lets you tailor the sub’s performance to your setup via onboard color screen or the free app for iOS\/Android. With \u003cstrong\u003e6 DSP presets\u003c\/strong\u003e (including cardioid and low-latency), 4-band parametric EQ, \u003cstrong\u003eselectable crossover points\u003c\/strong\u003e, and \u003cstrong\u003eadjustable delay\u003c\/strong\u003e up to 50m, it provides precise control in any situation.\r\n\r\nConnectivity includes \u003cstrong\u003edual XLR inputs and thru outputs\u003c\/strong\u003e, a powerCON loop-through connector, and integrated stacking grooves. Designed for real-world use, the rugged \u003cstrong\u003ebirch plywood enclosure\u003c\/strong\u003e is finished with a durable polyurea coating and equipped with \u003cstrong\u003e8 heavy-duty handles\u003c\/strong\u003e for easy lifting. Two \u003cstrong\u003eM20 threaded mounts\u003c\/strong\u003e enable secure pole-mounting in both vertical and horizontal orientations.\r\n\r\nIdeal for use with other ICOA PRO series loudspeakers, the ICOA PRO SUB 21 A offers world-class low-end in a tour-ready format.\r\n\r\n\u003ch3\u003eICOA PRO SUB 21 A Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHigh-performance 21\" subwoofer with neodymium motor and 4.5\" voice coil\u003c\/li\u003e \u003cli\u003e3000W peak \/ 1500W RMS Class D amp with convection cooling\u003c\/li\u003e \u003cli\u003eMax SPL: 136 dB | Frequency response: 29 Hz – 120 Hz\u003c\/li\u003e \u003cli\u003e4-band parametric EQ, advanced limiting, temperature\/voltage monitoring\u003c\/li\u003e \u003cli\u003e6 DSP presets (including cardioid + low-latency), adjustable delay up to 50m\u003c\/li\u003e \u003cli\u003eBluetooth 5.1 streaming + TrueWireless™ Stereo (TWS)\u003c\/li\u003e \u003cli\u003eApp control for all functions via iOS\/Android\u003c\/li\u003e \u003cli\u003eDual XLR inputs and XLR thru outputs\u003c\/li\u003e \u003cli\u003eTwo M20 pole mounts (vertical\/horizontal) and stacking grooves\u003c\/li\u003e \u003cli\u003eRoad-tough 18mm birch plywood cabinet with polyurea coating\u003c\/li\u003e \u003cli\u003eFits standard touring vans (e.g. Sprinter) for mobile production\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eICOA PRO SUB 21 A Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Powered bass reflex subwoofer\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWoofer:\u003c\/strong\u003e 21\" neodymium, 4.5\" voice coil\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Output:\u003c\/strong\u003e 1500W RMS \/ 3000W Peak\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMax SPL:\u003c\/strong\u003e 136 dB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFrequency Response (-10 dB):\u003c\/strong\u003e 29 Hz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDSP:\u003c\/strong\u003e FIR\/IIR filters, parametric EQ, delay, presets\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 2 x XLR female (mic\/line)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 2 x XLR male (thru)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Onboard color screen + app (iOS\/Android)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 2 x M20 threaded pole cups (vertical + horizontal)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHandles:\u003c\/strong\u003e 8 ergonomic side\/top handles\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Passive convection + airflow-assisted electronics cooling\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCabinet:\u003c\/strong\u003e 15–18 mm birch plywood with polyurea coating\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 565.5 x 700 x 698.8 mm (22.3 x 27.6 x 27.5 in)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 57 kg (125.7 lbs)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cem\u003eThe LD Systems ICOA PRO SUB 21 A sets a new benchmark in portable subwoofer performance—blending tour-grade power, DSP flexibility, and reliable mobility into one uncompromising package.\u003c\/em\u003e\u003c\/p\u003e","brand":"LD Systems","offers":[{"title":"Default Title","offer_id":51051822711066,"sku":"115587O","price":2385.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/2714\/9082\/files\/ld-systems-icoa-pro-sub-21-a--21in-136db_da5a4725-076d-4713-8831-45285a71e11b.webp?v=1768528956","url":"https:\/\/squarecable.com\/products\/ld-systems-icoa-pro-sub-21-a-21in-136db-1","provider":"SquareCable","version":"1.0","type":"link"}