{"product_id":"soundstream-pn4-520d","title":"Soundstream PN4-520D | Compact 4-Channel Class D Amplifier with MOSFET Power and Auto Signal Sensing","description":"\u003cp\u003eSoundstream PN4-520D 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: PN4-520D\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMax Power: 1,040 Watts\u003c\/li\u003e\n\u003cli\u003eRMS Power 4Ω: 100W x 4\u003c\/li\u003e\n\u003cli\u003eRMS Power 2Ω: 130W x 4\u003c\/li\u003e\n\u003cli\u003eRMS Bridged 4Ω: 260W x 2\u003c\/li\u003e\n\u003cli\u003eSPECIFICATIONS: PN4.520D\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures and installation details\u003c\/h2\u003e\u003ch2\u003e\u003cstrong\u003ePicasso Nano Series 4Ch Amplifier\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power\u003c\/td\u003e\n\u003ctd\u003e1,040 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power 4Ω\u003c\/td\u003e\n\u003ctd\u003e100W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power 2Ω\u003c\/td\u003e\n\u003ctd\u003e130W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Bridged 4Ω\u003c\/td\u003e\n\u003ctd\u003e260W x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\n      \n  \n    \u003ch2\u003ePrecision Sound Power in a Space-Saving Design\u003c\/h2\u003e\u003cp\u003eAt first glance, the Soundstream PN4-520D Picasso Nano Amplifier seems too small to deliver real power—but size doesn’t dictate performance here. Despite its ultra-compact chassis, this amplifier delivers up to 520 watts of RMS power, optimized across 4, 3, or 2 channels depending on your configuration needs.\u003c\/p\u003e\u003cp\u003eBuilt for cars, motorcycles, and tight installations, it mounts cleanly under seats or inside fairings—staying hidden while your sound system makes a strong impression.\u003c\/p\u003e\u003ch2\u003eDesigned for Tight Spaces—Built for Clean Output\u003c\/h2\u003e\u003cp\u003eWhether it’s the front or back seat, the PN4-520D slides into place with minimal clearance, leaving room for ventilation. Even after extended high-volume playback, this amp stays cool and stable, eliminating common heat issues seen in other compact class D models.\u003c\/p\u003e\u003cp\u003eThanks to integrated high-pass and low-pass crossovers at 80 Hz and a subsonic filter ranging from 10–50 Hz, your music stays tight, distortion-free, and full of clarity—regardless of source.\u003c\/p\u003e\u003ch2\u003eCore Features \u0026amp; Signal Handling\u003c\/h2\u003e\u003cp\u003eThis amplifier is engineered with real-world usability in mind. It uses a true MOSFET PWM power supply, avoiding the pseudo-tech found in lower-end models. Combined with Class D circuitry, it ensures efficient output without compromising fidelity.\u003c\/p\u003e\u003cp\u003eAnd when using a factory or stock radio, the PN4-520D doesn’t require a remote wire. Its Automatic Hi-Level Signal Sensing Turn-On detects speaker-level signals and activates the amp instantly—making installation simpler and more intuitive.\u003c\/p\u003e\u003ch2\u003eOutput Versatility and Performance\u003c\/h2\u003e\u003cp\u003eWhether you’re running full-range speakers or a bridged subwoofer setup, this amp adapts to your build. It offers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e100 W RMS x 4 @ 4Ω\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e130 W RMS x 4 @ 2Ω\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e260 W RMS x 2 bridged @ 4Ω\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis allows clean power for component speakers, coaxials, or compact subs—all from a single chassis.\u003c\/p\u003e\u003ch2\u003eSeamless Integration for Factory or Aftermarket Systems\u003c\/h2\u003e\u003cp\u003eIntegration is smooth with both high-level (speaker) and low-level (RCA) inputs, while input sensitivity ranges from 200 mV to 6 V, making it compatible with virtually any head unit.\u003c\/p\u003e\u003cp\u003eAnd for those who want on-the-go control, the PN4-520D includes a dash-mounted remote gain control—giving you real-time adjustments without diving into your deck.\u003c\/p\u003e\u003ch2\u003eKey Takeaways\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUltra-compact 4-channel Class D amplifier\u003c\/li\u003e\n\u003cli\u003e520 watts total RMS power\u003c\/li\u003e\n\u003cli\u003eMOSFET PWM power supply \u0026amp; thermal-safe design\u003c\/li\u003e\n\u003cli\u003eHigh-level sensing with automatic turn-on\u003c\/li\u003e\n\u003cli\u003e80 Hz 12 dB\/oct HP\/LP crossover + subsonic filter\u003c\/li\u003e\n\u003cli\u003eBridgeable channels for subwoofer use\u003c\/li\u003e\n\u003cli\u003ePerfect for under-seat or motorcycle fairing installs\u003c\/li\u003e\n\u003c\/ul\u003e\n  \n\n    \n      \n  \n    \n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSPECIFICATIONS\u003c\/th\u003e\n\u003cth\u003ePN4.520D\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power\u003c\/td\u003e\n\u003ctd\u003e1,040 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power @ 4Ω\u003c\/td\u003e\n\u003ctd\u003e100W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power @ 2Ω\u003c\/td\u003e\n\u003ctd\u003e130W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Bridged @ 4Ω\u003c\/td\u003e\n\u003ctd\u003e260W x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Gain Control\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow Pass Filter\u003c\/td\u003e\n\u003ctd\u003eFixed 80Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Pass Filter\u003c\/td\u003e\n\u003ctd\u003eFixed 80Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Boost\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Boost Frequency\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubsonic Filter\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e10-300Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\/N\u003c\/td\u003e\n\u003ctd\u003e104dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd\u003e200Mv-6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation Voltage\u003c\/td\u003e\n\u003ctd\u003e9V-16V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Rating\u003c\/td\u003e\n\u003ctd\u003e30A x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\n(8.25\"W x 2.75\"H)\u003c\/td\u003e\n\u003ctd\u003e9.25\" L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n  \n\n    \n      \n  \n    \u003cp\u003e\n\n\u003c\/p\u003e\u003ch2\u003e\u003ca href=\"https:\/\/soundstream.com\/pages\/pdf\/PICASSO-NANO\"\u003ePicasso Nano Owner's 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-au\/products\/soundstream-rn1-3000d\"\u003eSoundstream RN1-3000D | Class D Monoblock Amplifier with MOSFET Power \u0026amp; Signal Sensing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-au\/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\u003cli\u003e\u003ca href=\"\/en-au\/products\/soundstream-st4-1200d\"\u003eSoundstream ST4.1200D | Stealth Class D 4-Channel Amplifier - High-Efficiency, Compact, and Easy to Install\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Soundstream","offers":[{"title":"Default Title","offer_id":46301067116629,"sku":"PN4-520D","price":197.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/5040\/files\/PN4-520D_01_851c087c-8bbb-47bc-ab6a-fbbb0d0c488f.jpg?v=1791471677","url":"https:\/\/speedzone-web.com\/en-au\/products\/soundstream-pn4-520d","provider":"Speedzone Performance LLC","version":"1.0","type":"link"}