{"product_id":"alto-tx18s-900-watt-18-inch-powered-subwoofer","title":"Alto TX18S 900-Watt 18-inch Powered Subwoofer","description":"\u003cul\u003e\n\u003cli\u003eThe TX18S is a high-output, active low-frequency subwoofer engineered to deliver deep, earth-shaking bass reinforcement to mobile DJ rigs, live performance stages, houses of worship, and commercial sound installations.\u003c\/li\u003e\n\u003cli\u003ePowered by an internal, high-efficiency Class D amplifier that pumps out 900 watts of peak power (450 watts continuous), this robust 18-inch subwoofer provides the massive low-end punch required to flesh out full-range PA systems.\u003c\/li\u003e\n\u003cli\u003eIt is meticulously tailored for bands, gigging DJs, and sound engineers who need to expand their audio footprint, adding physical impact and sonic depth to dance floors and concert venues without adding excessive weight to their load-in.\u003c\/li\u003e\n\u003cli\u003eOperating as the structural anchor of a high-performance audio setup, the subwoofer features an 18-inch low-frequency transducer paired with a 2.5-inch dual-layer voice coil housed inside a rugged, braced MDF enclosure.\u003c\/li\u003e\n\u003cli\u003eThis heavy-duty cabinet design maximizes internal volume while suppressing unwanted cabinet vibrations, resulting in tight, articulate, and undistorted bass notes even at maximum SPL levels.\u003c\/li\u003e\n\u003cli\u003eEquipped with an onboard electronic crossover and comprehensive thermal, overload, and transducer protection circuitry, it integrates seamlessly into existing sound systems, safely maximizing output while maintaining total acoustic clarity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Efficiency 900-Watt Class D Amplifier: Outfitted with an advanced, cool-running Class D power module.\u003c\/li\u003e\n\u003cli\u003eThis amplifier produces 900W peak (450W continuous) power, driving immense sound pressure levels while drawing minimal current from standard wall outlets.\u003c\/li\u003e\n\u003cli\u003eMassive 18-Inch Long-Excursion Woofer: Driven by a robust 2.5-inch dual-layer voice coil.\u003c\/li\u003e\n\u003cli\u003eThis large-format transducer moves massive columns of air, effortlessly extending the system's frequency response down into the sub-bass spectrum.\u003c\/li\u003e\n\u003cli\u003eAcoustically Braced MDF Enclosure: Built from heavy-duty, dense medium-density fiberboard (MDF) featuring a front-ported design and an scratch-resistant textured finish.\u003c\/li\u003e\n\u003cli\u003eThis solid bracing blocks internal standing waves to eliminate muddy resonance.\u003c\/li\u003e\n\u003cli\u003eVersatile Onboard Electronic Crossover Matrix: Outfitted with dual XLR+1\/4\" combo inputs and dual XLR outputs.\u003c\/li\u003e\n\u003cli\u003eThis smart routing matrix allows users to run a stereo signal into the sub and pass the higher frequencies cleanly out to top satellite speakers.\u003c\/li\u003e\n\u003cli\u003eIntegrated Pole-Mount Socket: Features a standard 35mm top-panel pole socket.\u003c\/li\u003e\n\u003cli\u003eThis allows mobile performers to mount a full-range PA speaker directly above the subwoofer utilizing a standard spacer pole, saving valuable floor space.\u003c\/li\u003e\n\u003cli\u003eComprehensive System Safeguards: Protected by integrated electronic clip limiting, thermal protection, and amplifier overdrive sensors.\u003c\/li\u003e\n\u003cli\u003eThese advanced safeguards ensure the system operates reliably during long, high-volume multi-hour events.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eComponent Type: High-Output Active Powered Subwoofer\u003c\/li\u003e\n\u003cli\u003eModel Designation: TX18S Subwoofer System\u003c\/li\u003e\n\u003cli\u003eAmplifier Design Class: High-Efficiency Class D Power Module\u003c\/li\u003e\n\u003cli\u003ePower Rating Matrix: 900 Watts Peak \/ 450 Watts Continuous\u003c\/li\u003e\n\u003cli\u003eLow-Frequency Transducer: 18-inch (457mm) Woofer \/ 2.5-inch (63.5mm) Dual-Layer Voice Coil\u003c\/li\u003e\n\u003cli\u003eFrequency Response Range: 37 Hz – 100 Hz (-10 dB)\u003c\/li\u003e\n\u003cli\u003eMaximum Sound Pressure Level: 126 dB SPL (@ 1 meter, peak)\u003c\/li\u003e\n\u003cli\u003eAudio Input Connectors: 2 × XLR+1\/4” (6.35 mm) TRS Combo Inputs\u003c\/li\u003e\n\u003cli\u003eAudio Output Connectors: 2 × XLR Outputs (Link\/Crossover Bypass selection)\u003c\/li\u003e\n\u003cli\u003eCabinet Enclosure Material: Acoustically braced MDF cabinet with a rugged black textured paint finish and steel perforated grille\u003c\/li\u003e\n\u003cli\u003eMounting Hardware Framework: Standard 35mm Top-Panel Pole Mount Socket \/ Dual Integrated Side Handles\u003c\/li\u003e\n\u003cli\u003ePrimary Application: Low-frequency reinforcement for mobile DJ setups, live band PA arrays, wedding entertainment systems, dance clubs, fitness centers, and houses of worship\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat’s in the Box\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e1 × TX18S 900-Watt 18-inch Powered Subwoofer\u003c\/li\u003e\n\u003cli\u003e1 × Standard Detachable IEC Power Cable\u003c\/li\u003e\n\u003cli\u003e1 × Quickstart Guide \u0026amp; Warranty Registration Safety Documentation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alto","offers":[{"title":"Default Title","offer_id":42838459449415,"sku":"80501240","price":9659.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/6598\/6375\/files\/alto-tx18s-900-watt-18-inch-powered-subwoofer-8867334.png?v=1780422314","url":"https:\/\/philtron.co.za\/products\/alto-tx18s-900-watt-18-inch-powered-subwoofer","provider":"Philtron","version":"1.0","type":"link"}