{"product_id":"db-tech-sub-918-18in-134db-rdnet-active-subwoofer","title":"dB Tech SUB 918 | 18in - 134dB | RDNet Active Subwoofer","description":"\u003ch2\u003eActive 18-Inch Subwoofer\u003c\/h2\u003e\r\n\u003cp\u003e\u003cstrong\u003edBTechnologies SUB 918\u003c\/strong\u003e is an active 18-inch subwoofer designed for powerful low-frequency extension in ground-stacked PA systems. With a 900W RMS \/ 1800W peak Class-D Digipro G3 amplifier, RDNet remote control, and a rugged plywood cabinet, it delivers high-output bass for live sound, mobile production, and installed audio applications.\u003c\/p\u003e\r\n\u003ch2\u003edBTechnologies SUB 918 Competitive Differences\u003c\/h2\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e18-inch woofer with 4-inch voice coil and 134 dB max SPL\u003c\/li\u003e\r\n  \u003cli\u003e900W RMS \/ 1800W peak Digipro G3 Class-D amplification\u003c\/li\u003e\r\n  \u003cli\u003eRDNet monitoring and remote control with Aurora Net software for Mac and Windows\u003c\/li\u003e\r\n  \u003cli\u003eDual M20 pole mounts allow vertical or horizontal deployment\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003edBTechnologies SUB 918 Description\u003c\/h2\u003e\r\n\u003cp\u003eThe \u003cstrong\u003edBTechnologies SUB 918\u003c\/strong\u003e is built for applications where strong low-end extension and controlled bass performance are needed. Its single 18-inch premium woofer is housed in a bass-reflex plywood enclosure, giving DJs, bands, venues, and production companies a powerful subwoofer option with manageable weight.\u003c\/p\u003e\r\n\u003cp\u003eThe onboard Digipro G3 Class-D amplifier provides 900W RMS \/ 1800W peak output with efficient performance and high sound pressure capability. A 28\/56-bit DSP processor handles system control, with peak, thermal, and RMS limiting for protection during demanding events.\u003c\/p\u003e\r\n\u003cp\u003eRDNet connectivity enables real-time monitoring and remote control through Aurora Net software for Windows and Mac. Onboard controls include subwoofer attenuation, polarity, delay adjustment up to 4.5 ms in 0.5 ms steps, and selectable crossover frequencies from 70 Hz to 110 Hz.\u003c\/p\u003e\r\n\u003cp\u003eThe plywood cabinet includes two integrated handles and is designed for both vertical and horizontal use. Two M20 pole mounts, one on the top and one on the side, support flexible full-range speaker placement using a standard M20 threaded pole.\u003c\/p\u003e\r\n\u003ch3\u003eSUB 918 Features\u003c\/h3\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003eActive 18-inch bass-reflex subwoofer\u003c\/li\u003e\r\n  \u003cli\u003eDesigned for ground-stacked applications\u003c\/li\u003e\r\n  \u003cli\u003e900W RMS \/ 1800W peak Digipro G3 Class-D amplifier\u003c\/li\u003e\r\n  \u003cli\u003e134 dB max SPL at 1 meter\u003c\/li\u003e\r\n  \u003cli\u003e18-inch woofer with 4-inch voice coil\u003c\/li\u003e\r\n  \u003cli\u003eRDNet remote monitoring and control support\u003c\/li\u003e\r\n  \u003cli\u003eCompatible with Aurora Net software for Mac and Windows\u003c\/li\u003e\r\n  \u003cli\u003e28\/56-bit DSP controller\u003c\/li\u003e\r\n  \u003cli\u003e24-bit \/ 48 kHz AD\/DA conversion\u003c\/li\u003e\r\n  \u003cli\u003ePeak, thermal, and RMS limiter protection\u003c\/li\u003e\r\n  \u003cli\u003eVariable crossover frequency from 70 Hz to 110 Hz\u003c\/li\u003e\r\n  \u003cli\u003eOnboard delay control up to 4.5 ms in 0.5 ms steps\u003c\/li\u003e\r\n  \u003cli\u003eUp to 21 ms delay available through Aurora Net\u003c\/li\u003e\r\n  \u003cli\u003ePolarity switch\u003c\/li\u003e\r\n  \u003cli\u003ePlywood cabinet construction\u003c\/li\u003e\r\n  \u003cli\u003eTwo M20 pole mounts for vertical or horizontal use\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSUB 918 Specifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003eSpeaker Type: Active subwoofer\u003c\/li\u003e\r\n  \u003cli\u003eFrequency Response -10 dB: 42 Hz to cut frequency, crossover dependent\u003c\/li\u003e\r\n  \u003cli\u003eMax SPL: 134 dB\u003c\/li\u003e\r\n  \u003cli\u003eLow-Frequency Driver: 1 x 18 in woofer\u003c\/li\u003e\r\n  \u003cli\u003eVoice Coil: 4 in\u003c\/li\u003e\r\n  \u003cli\u003eAmplifier Technology: Digipro G3\u003c\/li\u003e\r\n  \u003cli\u003eAmplifier Class: Class D\u003c\/li\u003e\r\n  \u003cli\u003ePower Output: 900W RMS \/ 1800W Peak\u003c\/li\u003e\r\n  \u003cli\u003eController: 28\/56-bit DSP\u003c\/li\u003e\r\n  \u003cli\u003eAD\/DA Converter: 24-bit \/ 48 kHz\u003c\/li\u003e\r\n  \u003cli\u003eLimiter: Peak, thermal, RMS\u003c\/li\u003e\r\n  \u003cli\u003eCrossover Frequency: Variable 70 Hz, 80 Hz, 90 Hz, 100 Hz, 110 Hz\u003c\/li\u003e\r\n  \u003cli\u003eControls: Subwoofer attenuation, delay rotary, crossover rotary, polarity switch\u003c\/li\u003e\r\n  \u003cli\u003eSignal Input: 1 x XLR female, 1 x USB data service\u003c\/li\u003e\r\n  \u003cli\u003eSignal Output: 2 x XLR male\u003c\/li\u003e\r\n  \u003cli\u003eHousing: Plywood\u003c\/li\u003e\r\n  \u003cli\u003eHandles: 2 integrated handles\u003c\/li\u003e\r\n  \u003cli\u003ePole Mounts: 2 x M20, 1 top and 1 side\u003c\/li\u003e\r\n  \u003cli\u003eWidth: 28.3 in (720 mm)\u003c\/li\u003e\r\n  \u003cli\u003eHeight: 20.8 in (530 mm)\u003c\/li\u003e\r\n  \u003cli\u003eDepth: 27.1 in (690 mm)\u003c\/li\u003e\r\n  \u003cli\u003eWeight: 92.1 lb (41.8 kg)\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"dB Tech","offers":[{"title":"Default Title","offer_id":52185489309978,"sku":"117240","price":2389.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/2714\/9082\/files\/db-tech-sub-918--18in---134db--rdnet-active-subwoofer_4ad4dfe4-d2c6-413b-9006-27dc601c4d65.webp?v=1778181827","url":"https:\/\/squarecable.com\/products\/db-tech-sub-918-18in-134db-rdnet-active-subwoofer","provider":"SquareCable","version":"1.0","type":"link"}