{"product_id":"soundstream-st4-1000d","title":"Soundstream ST4.1000D | 4-Channel Class D Stealth Micro Amplifier with High-Level Input","description":"\u003cp\u003eSoundstream ST4.1000D is a car audio amplifier for an aftermarket vehicle audio installation. Match the specifications, connections and mounting requirements below to your system before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Soundstream\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: ST4.1000D\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMax Power: 1,000 Watts\u003c\/li\u003e\n\u003cli\u003eRMS Power 4Ω: 90W x 4\u003c\/li\u003e\n\u003cli\u003eRMS Power 2Ω: 125W x 4\u003c\/li\u003e\n\u003cli\u003eAmplifier Size: 3″W x 1.50″H x 6.5″L\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures and installation details\u003c\/h2\u003e\u003ch2\u003e\n\u003cstrong\u003eStealth Series 4Ch \u003c\/strong\u003e\u003cstrong\u003eMicro-Amp\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power\u003c\/td\u003e\n\u003ctd\u003e 1,000 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power 4Ω\u003c\/td\u003e\n\u003ctd\u003e 90W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power 2Ω\u003c\/td\u003e\n\u003ctd\u003e 125W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Size\u003c\/td\u003e\n\u003ctd\u003e 3″W x 1.50″H x 6.5″L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\n      \n  \n    \u003cp\u003eWhen you first encounter the Soundstream Stealth Series ST4.1000D, you’ll be surprised by its small size, but don’t let its compact form fool you. This amplifier is the epitome of Class D full-range technology, packing a remarkable amount of power into a less than 2-pound chassis. Despite its size, the ST4.1000D delivers impressive performance, ensuring that you get all the power you need without compromising on space.\u003c\/p\u003e\u003ch2\u003eClass D Technology: Small in Size, Big on Power\u003c\/h2\u003e\u003cp\u003eThe ST4.1000D uses the latest in Class D amplifier technology, once considered “dirty power” due to its high-efficiency nature. However, modern Class D amplifiers have evolved, offering stable performance while maintaining maximum efficiency and low power tolerance. The ST4.1000D is designed to provide clean power that rivals traditional full-range amplifiers, while requiring minimal power consumption. This makes it perfect for car audio systems, motorcycles, boats, and off-road vehicles where space and efficiency are crucial.\u003c\/p\u003e\u003ch2\u003eCompact Design with Maximum Efficiency\u003c\/h2\u003e\u003cp\u003eDespite its small size, the ST4.1000D delivers a substantial 1000W peak power output and stable RMS power for your audio setup. Whether you’re powering multiple speakers or a subwoofer, this amplifier has you covered. Its ultra-micro footprint allows for easy installation even in tight spaces without compromising on sound quality.\u003c\/p\u003e\u003cp\u003eThe Class D design ensures high power efficiency and prevents excessive heat build-up, allowing you to run the amplifier continuously without worrying about overheating. Even after hours of high-volume playback, the ST4.1000D remains cool and efficient, making it the ideal choice for long road trips or extended listening sessions.\u003c\/p\u003e\u003ch2\u003eAutomatic Hi-Level Signal Sensing Turn-On\u003c\/h2\u003e\u003cp\u003eInstalling an amplifier should be easy, and with the ST4.1000D, it is. Whether you’re using a factory radio or an aftermarket head unit, this amplifier comes equipped with an automatic Hi-Level Signal Sensing Turn-On feature. There’s no need for a separate remote wire—the ST4.1000D automatically detects the audio signal from your head unit and powers on and off accordingly. This feature simplifies the installation process and reduces the amount of wiring needed, making it perfect for both experienced installers and DIY enthusiasts.\u003c\/p\u003e\u003ch2\u003eKey Features of the Soundstream Stealth ST4.1000D:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000W of Peak Power Output:\u003c\/strong\u003e Compact design provides ample power for full-range speakers and subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Technology:\u003c\/strong\u003e Efficient, high-performance amplifier with low power consumption and minimal heat generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Hi-Level Signal Sensing Turn-On:\u003c\/strong\u003e Eliminates the need for a remote wire—automatically powers on\/off with the signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, Space-Saving Design:\u003c\/strong\u003e Ideal for tight installations in cars, motorcycles, boats, and off-road vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStabilized Performance:\u003c\/strong\u003e Delivers clean and stable audio output even at high volumes, ensuring no distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e With RCA and Hi-Level inputs, this amplifier can be integrated with factory or aftermarket head units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCool Operation:\u003c\/strong\u003e Remains cool even during continuous high-volume use, ensuring reliable long-term performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Perfect for car audio systems, motorcycle audio, boat audio, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePower and Efficiency in One Compact Package\u003c\/h2\u003e\u003cp\u003eThe ST4.1000D is a 4-channel amplifier that can power multiple full-range speakers or a combination of speakers and a subwoofer. With RMS power ratings of 90W x 4 at 4Ω and 125W x 4 at 2Ω, this amplifier is suitable for a variety of audio setups. Whether you are looking for high-quality sound for your car or need a powerful amplifier for your motorcycle or boat system, the ST4.1000D delivers.\u003c\/p\u003e\u003ch2\u003eDesigned for Performance\u003c\/h2\u003e\u003cp\u003eSoundstream's ST4.1000D amplifier is engineered for audiophiles who require both power and efficiency. Its Class D technology ensures that it delivers top-notch sound quality without drawing excessive power, which is a key feature for systems that need to conserve energy. The ST4.1000D excels at keeping the audio clear, crisp, and distortion-free, even when pushed to high volumes.\u003c\/p\u003e\u003cp\u003eWhether you’re upgrading your car’s audio system or installing a powerful setup in a motorcycle or boat, the Soundstream Stealth Series ST4.1000D is the amplifier that meets your needs for high-performance audio in a compact design.\u003c\/p\u003e\u003ch2\u003eIn Summary:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1000W peak power with 4 channels of output for driving multiple speakers and subwoofers.\u003c\/li\u003e\n\u003cli\u003eClass D technology offers high efficiency and minimal power consumption.\u003c\/li\u003e\n\u003cli\u003eAutomatic Hi-Level Signal Sensing Turn-On for easy installation with no remote wire required.\u003c\/li\u003e\n\u003cli\u003eCompact design fits in tight spaces without sacrificing sound quality.\u003c\/li\u003e\n\u003cli\u003eStable performance for clear, distortion-free sound even at high volumes.\u003c\/li\u003e\n\u003cli\u003ePerfect for a variety of applications including car audio, motorcycle audio, and boat audio systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n  \n\n    \n      \n  \n    \n\u003ch2\u003e\u003cstrong\u003eStealth Amplifier Features:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eHigh-Efficiency Class D Full-Range Amplifiers\u003c\/p\u003e\n\u003cp\u003eHybrid Aluminum Alloy Heatsink for Optimum Dissipation\u003c\/p\u003e\n\u003cp\u003e2-ohm Stereo \u0026amp; 4-ohm Bridged Full-Range Operation\u003c\/p\u003e\n\u003cp\u003eMOSFET Power Supply w\/ Audiophile Grade IRTM Transistors\u003c\/p\u003e\n\u003cp\u003eMilitary Grade SMT PCB Maintains Dynamic Performance\u003c\/p\u003e\n\u003cp\u003eDirect Short, Thermal, \u0026amp; Overload Circuits Protect Amplifier\u003c\/p\u003e\n\u003cp\u003e200mV-12V High Level or Low-Level RCA Input\u003c\/p\u003e\n\u003cp\u003eAutomatic Turn-On Hi-Level Signal Sensing\u003c\/p\u003e\n\u003cp\u003eQuick Disconnect RCA\/High-Level Wire Harness\u003c\/p\u003e\n\u003cp\u003eQuick Disconnect Power and Speaker Output Harness\u003c\/p\u003e\n\u003cp\u003eVariable 12dB High Pass, Low Pass, \u0026amp; Subsonic Crossovers\u003c\/p\u003e\n\u003cp\u003eAmplifier Dimensions 3\"W x 1.5\"H x 6.5\"W\u003c\/p\u003e\n\n\n  \n\n    \n      \n  \n    \u003cp\u003e\n\n\u003c\/p\u003e\u003ch2\u003e\u003ca href=\"https:\/\/soundstream.com\/pages\/pdf\/StealthST\"\u003eStealth Amplifier Owners Manual [.PDF]\u003c\/a\u003e\u003c\/h2\u003e\n  \n\n    \u003ch2\u003eMore from Soundstream\u003c\/h2\u003e\u003cp\u003eExplore these related options. Compare specifications and vehicle fitment when choosing an alternative or planning an installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompare: \u003ca href=\"\/en-mx\/products\/soundstream-st4-1200d\"\u003eSoundstream ST4.1200D | Stealth Class D 4-Channel Amplifier - High-Efficiency, Compact, and Easy to Install\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-mx\/products\/soundstream-st4-500d\"\u003eSoundstream ST4.500D | Micro 4-Channel Class-D Amplifier for Car Audio Precision\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-mx\/products\/soundstream-rsm4-1200d\"\u003eSoundstream RSM4-1200D | Compact 4-Channel Class D Car Amplifier - High-Efficiency, Hi-Level Signal Sensing, Easy Install\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Soundstream","offers":[{"title":"Default Title","offer_id":46301067640917,"sku":"ST4.1000D","price":2569.0,"currency_code":"MXN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/5040\/files\/ST4-1000D_01_eaf18063-2df4-4c94-94d9-26d7f22d0873.jpg?v=1791471698","url":"https:\/\/speedzone-web.com\/en-mx\/products\/soundstream-st4-1000d","provider":"Speedzone Performance LLC","version":"1.0","type":"link"}