{"product_id":"wet-sounds-sinister-sdx4-class-d-4-channel-marine-amplifier","title":"Wet Sounds Sinister-SDX4 Class D 4-Channel Marine Amplifier","description":"\u003ch3\u003eWet Sounds Sinister-SDX4 Class D 4-Channel Marine Amplifier\u003c\/h3\u003e\n\u003cp\u003eThe Wet Sounds Sinister-SDX4 delivers high-output, efficient power for marine and powersports audio systems that demand consistent performance. Built with exclusive Class D architecture and MAXED™ power supply technology, this four-channel amplifier is designed to provide strong, clean audio while reducing current draw and heat generation. The result is an efficient solution for powering your speakers without placing unnecessary strain on your vehicle or boat's electrical system.\u003c\/p\u003e\n\u003cp\u003eWhether you're building a multi-zone boat audio setup or upgrading a powersports sound system, the Wet Sounds Sinister-SDX4 offers flexible four-channel performance in a durable, marine-ready design. Its advanced circuitry and shared Sinister Series chassis make it a practical choice for custom audio configurations where power, efficiency, and a clean system layout matter.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wbJJ7M51lRs?si=8uCVTzv_nlvHYuxF\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch4\u003eHigh-Efficiency Class D Power with MAXED™ Technology\u003c\/h4\u003e\n\u003cp\u003eAt the heart of the Wet Sounds Sinister-SDX4 is a combination of exclusive Class D power supply architecture and Wet Sounds MAXED™ technology. This patented power supply design focuses on achieving high efficiency in a mobile audio amplifier, helping reduce current consumption, electrical system strain, and generated heat.\u003c\/p\u003e\n\u003cp\u003eWhy does efficiency matter in a marine audio system? Less wasted energy means less heat and reduced demand on the electrical system. That makes the SDX4 well suited to setups where you want powerful audio performance and longer listening sessions.\u003c\/p\u003e\n\u003ch4\u003eFlexible Four-Channel Audio Performance\u003c\/h4\u003e\n\u003cp\u003eThe Sinister-SDX4 is designed to support a range of full-range speaker configurations and multi-zone audio systems. Its four-channel output provides flexibility for marine speakers and other compatible audio setups, making it a useful option for boats, off-road vehicles, and powersports applications.\u003c\/p\u003e\n\u003cp\u003eWith multiple supported power configurations, the amplifier can accommodate different system requirements. Its Class D design combines high-output capability with efficient operation, helping deliver consistent performance in demanding mobile audio environments.\u003c\/p\u003e\n\u003ch4\u003eDurable Sinister Series Cast Aluminum Chassis\u003c\/h4\u003e\n\u003cp\u003eThe Wet Sounds Sinister-SDX4 features a full cast aluminum chassis shared across the Sinister Series amplifier lineup. Using a common chassis size across models helps create a uniform appearance in multi-amplifier systems and supports a clean, organized layout.\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding marine environments, the amplifier combines its rugged enclosure with layered printed circuit boards and advanced microprocessor control. These internal design elements support stable operation and system protection under load.\u003c\/p\u003e\n\u003ch4\u003eConvenient Controls and Flexible Connections\u003c\/h4\u003e\n\u003cp\u003eThe Sinister-SDX4 includes practical features that simplify system integration and day-to-day adjustments. High-level speaker inputs provide another connection option, while removable speaker plugs help keep wiring organized. The included remote level control allows convenient adjustment of output level from a separate control location.\u003c\/p\u003e\n\u003cp\u003eA backlit LED badge adds a distinctive visual detail to the amplifier enclosure, complementing custom marine and powersports audio systems.\u003c\/p\u003e\n\u003ch4\u003eBuilt for Marine and Powersports Audio\u003c\/h4\u003e\n\u003cp\u003eFrom boats to off-road vehicles, the Wet Sounds Sinister-SDX4 is designed for audio systems operating in demanding outdoor environments. Its marine-oriented construction, efficient power supply, and flexible four-channel design make it suitable for a variety of custom sound systems.\u003c\/p\u003e\n\u003cp\u003eIdeal applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMarine full-range speaker systems\u003c\/li\u003e\n\u003cli\u003eMulti-zone boat audio configurations\u003c\/li\u003e\n\u003cli\u003eUTVs, ATVs, and side-by-side vehicles\u003c\/li\u003e\n\u003cli\u003eMotorcycle audio systems\u003c\/li\u003e\n\u003cli\u003eJeep and off-road audio builds\u003c\/li\u003e\n\u003cli\u003eGolf cart audio systems\u003c\/li\u003e\n\u003cli\u003eCustom marine and outdoor audio systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWet Sounds Sinister-SDX4 Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wet Sounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Sinister-SDX4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier Type:\u003c\/strong\u003e Full-range Class D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Channels:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo Power at 4 Ohms:\u003c\/strong\u003e 4 x 185W @ 60A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo Power at 2 Ohms:\u003c\/strong\u003e 4 x 340W @ 123A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Power at 4 Ohms:\u003c\/strong\u003e 2 x 685W @ 122A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Level Input Sensitivity:\u003c\/strong\u003e 0.2V–6.1V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Pass and Low-Pass Crossover Range:\u003c\/strong\u003e 30Hz–300Hz, 12dB\/octave\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio (A-weighted):\u003c\/strong\u003e Greater than 90dB \/ greater than 113dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Boost:\u003c\/strong\u003e 0–12.5dB @ 27Hz–110Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15.6V Overvoltage Protection:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Level Range:\u003c\/strong\u003e 0dB to -61dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 8Hz–35kHz (±3dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply Technology:\u003c\/strong\u003e Wet Sounds Class D and MAXED™\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e Full cast aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Level Control:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker Connections:\u003c\/strong\u003e Removable speaker plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Speaker Inputs:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIlluminated Badge:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEfficient Power for Your Custom Audio System\u003c\/h4\u003e\n\u003cp\u003eThe Wet Sounds Sinister-SDX4 combines four-channel output, MAXED™ power supply technology, and a rugged cast aluminum chassis in one efficient marine amplifier. With flexible input options, remote level control, and a design intended for demanding outdoor conditions, it offers a capable foundation for custom marine and powersports sound systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many channels does the Wet Sounds Sinister-SDX4 have?\u003c\/strong\u003e The Sinister-SDX4 is a four-channel, full-range Class D amplifier designed for compatible speaker systems and multi-zone audio configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the power output at 4 ohms?\u003c\/strong\u003e In stereo mode at 4 ohms, the amplifier is rated at 4 x 185 watts at 60A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does MAXED™ power supply technology do?\u003c\/strong\u003e Wet Sounds MAXED™ technology is designed to improve amplifier efficiency while reducing current draw, electrical system strain, and heat generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the Sinister-SDX4 include a remote level control?\u003c\/strong\u003e Yes. A remote level control is included and provides a level adjustment range from 0dB to -61dB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat audio systems is the Sinister-SDX4 suitable for?\u003c\/strong\u003e It is designed for marine full-range speaker systems, multi-zone boat audio, powersports vehicles, motorcycles, Jeeps, off-road vehicles, golf carts, and other custom outdoor audio systems.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Wet Sounds","offers":[{"title":"Default Title","offer_id":67640165892370,"sku":"Sinister-SDX4","price":2509.95,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/5226\/2162\/files\/Wet_Sounds_Sinister-SDX4.jpg?v=1792762183","url":"https:\/\/gibbyselectronicsupermarket.ca\/products\/wet-sounds-sinister-sdx4-class-d-4-channel-marine-amplifier","provider":"Gibbys Electronic Supermarket Inc","version":"1.0","type":"link"}