{"product_id":"svs-pb17-ultra-r-evolution-ported-boxx-subwoofer","title":"SVS PB17 Ultra R|EVolution Ported Box Subwoofer","description":"\u003ch2\u003ePB17-Ultra R|Evolution\u003c\/h2\u003e\n\u003cp\u003eA quantum leap forward in design and performance with multiple groundbreaking innovations - the most formidable and sophisticated ported subwoofer ever developed.\u003c\/p\u003e\n\u003cp\u003eAll-new 17-inch driver with first-ever dual 8-inch voice coils. The most powerful amplifier ever deployed in a consumer subwoofer with unprecedented dual mono-block design married to the extreme intelligence of a 295MHz DSP. All managed by the most sophisticated subwoofer control app, now with SVS Auto EQ room correction.\u003c\/p\u003e\n\u003cp\u003eBorn from three decades of SVS design expertise, PB17-Ultra R|Evolution is the pinnacle of ported subwoofer performance. A massive 17-inch driver with first ever dual 8-in voice coils driven by the most powerful amplifier ever deployed in a consumer subwoofer with DSP intelligence far beyond anything available. All married to advanced power management and SVS Auto EQ room correction. The benchmark for reference subwoofer experiences has arrived.\u003c\/p\u003e\n\u003cp\u003eBreathtaking low frequencies with unerring accuracy, room-shaking output, and stop-on-a-dime control. The deep, chest-thumping slam of cinematic soundtracks and the delicate nuance of musical bass always rendered truthfully.\u003c\/p\u003e\n\u003cp\u003eWhether heard or felt, low frequencies are handled effortlessly without sacrificing sonic fidelity and refinement. With extension to 12 Hz, far below the threshold of human hearing, PB17-Ultra R|Evolution brings sound to life with convincing, visceral, and jaw-dropping impact.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/5301\/5446\/files\/featured-pb17-ultra-lifestyle.jpg?v=1788574955\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eEffortless Output from High-Excursion 17-inch SVS Driver\u003c\/h4\u003e\n\u003cp\u003eIt was a ground-up process designing the largest, most formidable driver ever deployed in an SVS subwoofer. An all-new dual voice coil, suspension, basket, and extreme-excursion surround achieve chest-compressing sound pressure levels with flawless tonal accuracy.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight and rigid 17-inch glass fiber composite cone with optimal stiffness-to-mass ratio for maximum efficiency and acoustic linearity\u003c\/li\u003e\n\u003cli\u003e55lb four-piece toroidal ferrite electromagnetic motor generates massive force with precise control, remaining authoritative yet detailed and controlled\u003c\/li\u003e\n\u003cli\u003eExtreme-excursion catenary SBR rubber surround maintains pure, long-throw pistonic driver motion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/5301\/5446\/files\/17-ultradriverexplode.jpg?v=1788574979\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eUnerring Control from Revolutionary Dual 8-inch Voice Coils\u003c\/h4\u003e\n\u003cp\u003eUnprecedented dual 8-inch dual voice coils ensures stable transfer of electro-magnetic current to the 17-inch driver for authoritative output and pinpoint driver control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4-layer bi-filar dual voice coil conducts the massive power from the dual-mono amplifier to the motor with maximum thermal efficiency, resulting in effortless acoustic output\u003c\/li\u003e\n\u003cli\u003eCopper clad aluminum voice coil wire combines the best properties of both elements, yielding ideal thermal capacity and magnetic field strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/5301\/5446\/files\/17-ultra-amp.jpg?v=1788574956\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eFirst Ever Dual Mono STA-2800D Amplifier Design with Discrete MOSFET Output\u003c\/h4\u003e\n\u003cp\u003eThe sonic muscle behind the most powerful and highest fidelity SVS subwoofer amplifier ever developed. PB17-Ultra R|Evolution STA-2800D features technological breakthroughs never offered before in a consumer subwoofer to ensure refined behavior and pristine response at any volume.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimitless headroom from dual mono-block Class-D amplifiers with MOSFET output stages\u003c\/li\u003e\n\u003cli\u003eEach amp drives one of the dual voice coils within the motor to assert pinpoint control and maximize power fed to the driver\u003c\/li\u003e\n\u003cli\u003eEight 60 Amp 200 Volt MOSFETs deliver extreme high current for reference-level output with maximum efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePerformance Enhancing Switch Mode Power Supply\u003c\/h4\u003e\n\u003cp\u003eRegardless of the power coming out of your household circuit, the PB17-Ultra R|Evolution always maintains peak performance and remains impervious to voltage fluctuations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnboard AC line conditioner filters and stabilizes incoming voltage, corrects waveform distortions, and eliminates electromagnetic and radio interferences to optimize signal quality and audio performance\u003c\/li\u003e\n\u003cli\u003eEnsures clean and consistent 160V rail voltage and optimal power delivery from a standard 15-amp home circuit\u003c\/li\u003e\n\u003cli\u003ePower-Factor-Correction (PFC) time aligns the AC voltage to the AC current resulting in less heat, greater efficiency, reliable peak power output, and the ability to maintain rated power over a wide-range of voltages\u003c\/li\u003e\n\u003cli\u003eFEA optimized convection cooling system has no exterior heatsinks, an extraordinary feat for such a powerful amplifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eExtreme Subwoofer Intelligence – 295 MHz Analog Devices DSP\u003c\/h4\u003e\n\u003cp\u003eOrchestrating the cutting-edge amplifier, motor, and driver ecosystem is the most sophisticated DSP ever deployed in a consumer subwoofer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAccurately shapes in-room frequency response with absolute precision for faithful signal reproduction\u003c\/li\u003e\n\u003cli\u003eMonitors every function of the amplifier to stabilize AC voltage delivery to the power supply to maintain consistent peak output\u003c\/li\u003e\n\u003cli\u003eMulti-point thermal, voltage, and current monitoring system ensures maximum output and efficiency\u003c\/li\u003e\n\u003cli\u003eAdvanced digital audio processing and DACs (Digital-to-Analog Converters) with 120 dB Signal-to-Noise Ratio provide greater headroom, lower noise, and pristine fidelity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSVS Subwoofer Smartphone Control App Now with SVS Auto EQ Room Correction\u003c\/h4\u003e\n\u003cp\u003eCompatible with Apple iOS, Google Android, and Amazon Fire platforms, the SVS Subwoofer Control Smartphone app allows convenient subwoofer tuning and management.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eControls for volume, low pass filter, phase, polarity, six parametric equalizers, room gain compensation, tuning modes, power management settings, and more\u003c\/li\u003e\n\u003cli\u003eIncludes three convenient memory presets for fast and easy system adjustments to match your listening preferences – music, movies, night mode, and more\u003c\/li\u003e\n\u003cli\u003eVariable Port Tuning modes with included port plugs enable customized frequency response curves for Standard, Extended, and Sealed to allow tuning for maximum output or deep bass extension and transient speed\u003c\/li\u003e\n\u003cli\u003eAmplifier Rear Panel OLED and control interface provide fast and direct control of the most important features and includes a convenient “Display Flip” function\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/5301\/5446\/files\/o_R_Evolution_Compact_Subwoofer_with_Deep_Musical_Bass.jpg?v=1788564090\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eSubwoofer Output Tuned to Your Room - SVS Auto EQ\u003c\/h4\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/5301\/5446\/files\/auto-eq-phone-1_1.jpg?v=1788563940\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eRooms have a major impact on subwoofer performance. SVS Auto EQ analyzes your listening environment and optimizes subwoofer output for your specific space using the SVS Subwoofer Control App and a smartphone microphone or optional external microphone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSimple over-the-air update and guided setup in minutes\u003c\/li\u003e\n\u003cli\u003eOptimized performance across multiple listening positions\u003c\/li\u003e\n\u003cli\u003eSmoother, more balanced and musical bass\u003c\/li\u003e\n\u003cli\u003eImproved frequency response and tonal accuracy\u003c\/li\u003e\n\u003cli\u003eAcoustically optimized room gain for deeper extension and greater impact\u003c\/li\u003e\n\u003cli\u003eReduces localization, peaks, and nulls caused by room acoustics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInterested in learning more? A list of FAQs about the new SVS Auto EQ feature is available here.\u003c\/p\u003e\n\u003ch4\u003e17-Ultra R|Evolution Series Technology\u003c\/h4\u003e\n\u003ch3\u003eA Quantum Leap Forward in Subwoofer Design and Performance.\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0429\/5301\/5446\/files\/Screenshot_2026-09-05_at_10-21-57_SVS_PB17-Ultra_R_Evolution_Subwoofer.png?v=1788574934\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Excursion 17-Ultra R|Evolution Driver\u003c\/li\u003e\n\u003cli\u003e8-inch Dual Voice Coils\u003c\/li\u003e\n\u003cli\u003eDual Mono Amplifier\u003c\/li\u003e\n\u003cli\u003eSwitch Mode Power Supply\u003c\/li\u003e\n\u003cli\u003e295 MHz Analog Devices DSP\u003c\/li\u003e\n\u003cli\u003eSVS Subwoofer Control Smartphone App\u003c\/li\u003e\n\u003cli\u003eTriple Ported Acoustically Tuned Cabinet Design\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVS","offers":[{"title":"Black Oak","offer_id":50932052918515,"sku":"SVS-PB17UL-XX-SUB-BLO","price":6479.0,"currency_code":"AUD","in_stock":true},{"title":"Glossy Black","offer_id":50932052951283,"sku":"SVS-PB17UL-XX-SUB-GBL","price":6479.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0429\/5301\/5446\/files\/1727776075_IMG_2347158.jpg?v=1788575225","url":"https:\/\/www.heynowhifi.com.au\/products\/svs-pb17-ultra-r-evolution-ported-boxx-subwoofer","provider":"HeyNow Hi-Fi","version":"1.0","type":"link"}