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Description
SVS PB17-ULTRA R|EVOLUTION 17" SUBWOOFERPB17 Ultra R Evolution A quantum leap forward in design and performance with multiple groundbreaking innovations the most formidable and sophisticated ported subwoofer ever developed. All 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
PB17-Ultra R|Evolution
A quantum leap forward in design and performance with multiple groundbreaking innovations - the most formidable and sophisticated ported subwoofer ever developed.
All-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 auto EQ room correction (available soon via over-the-air update).
Effortless Output from High-Excursion 17-inch SVS Driver
It 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.
- Lightweight and rigid 17-inch glass fiber composite cone with optimal stiffness-to-mass ratio for maximum efficiency and acoustic linearity
- 55lb four-piece toroidal ferrite electromagnetic motor generates massive force with precise control, remaining authoritative yet detailed and controlled
- Extreme-excursion catenary SBR rubber surround maintains pure, long-throw pistonic driver motion
Unerring Control from Revolutionary Dual 8-inch Voice Coils
Unprecedented 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.
- 4-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
- Copper clad aluminum voice coil wire combines the best properties of both elements, yielding ideal thermal capacity and magnetic field strength
First Ever Dual Mono STA-2800D Amplifier Design with Discrete MOSFET Output
The 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.
- Limitless headroom from dual mono-block Class-D amplifiers with MOSFET output stages
- Each amp drives one of the dual voice coils within the motor to assert pinpoint control and maximize power fed to the driver
- Eight 60 Amp 200 Volt MOSFETs deliver extreme high current for reference-level output with maximum efficiency
Performance Enhancing Switch Mode Power Supply
Regardless of the power coming out of your household circuit, the PB17-Ultra R|Evolution always maintains peak performance and remains impervious to voltage fluctuations.
- Onboard AC line conditioner filters and stabilizes incoming voltage, corrects waveform distortions, and eliminates electromagnetic and radio interferences to optimize signal quality and audio performance
- Ensures clean and consistent 160V rail voltage and optimal power delivery from a standard 15-amp home circuit
- Power-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
- FEA optimized convection cooling system has no exterior heatsinks, an extraordinary feat for such a powerful amplifier
Extreme Subwoofer Intelligence – 295 MHz Analog Devices DSP
Orchestrating the cutting-edge amplifier, motor, and driver ecosystem is the most sophisticated DSP ever deployed in a consumer subwoofer.
- Accurately shapes in-room frequency response with absolute precision for faithful signal reproduction
- Monitors every function of the amplifier to stabilize AC voltage delivery to the power supply to maintain consistent peak output
- Multi-point thermal, voltage, and current monitoring system ensures maximum output and efficiency
- Advanced digital audio processing and DACs (Digital-to-Analog Converters) with 120 dB Signal-to-Noise Ratio provide greater headroom, lower noise, and pristine fidelity
SVS Subwoofer Smartphone Control App Now with Auto EQ Room Correction
Compatible with Apple iOS, Google Android, and Amazon Fire platforms, the SVS Subwoofer Control Smartphone app allows convenient subwoofer tuning and management.
- Controls for volume, low pass filter, phase, polarity, six parametric equalizers, room gain compensation, tuning modes, power management settings, and more
- Includes three convenient memory presets for fast and easy system adjustments to match your listening preferences – music, movies, night mode, and more
- Variable 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
- Amplifier Rear Panel OLED and control interface provide fast and direct control of the most important features and includes a convenient “Display Flip” function
SVS Subwoofer Auto Room Correction
Achieves pristine fidelity by resolving all the acoustic issues caused by your room in a few quick and easy steps.
- Automatically tunes subwoofer output using your smartphone microphone and the SVS subwoofer app
- Applies equalization filters, capitalizes on available room gain, and optimizes in-room frequency response at main listening positions for optimal in-room performance.
- Simple process requires just a few steps for significant improvements to in-room response
- Will be available soon via an over-the-air SVS Subwoofer Control App update
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Subwoofer Specs:
- Piano Gloss Black and Black Oak Real Wood Veneer finishes
- Front Firing 17-inch high-excursion driver
- Triple High-flow 4-inch ports
- Amplifier Rear Panel OLED and control interface provide fast and direct control of the most important features and includes a convenient “Display Flip” function.
- Protective non-resonant extra-thick ABS grille frame with fabric mesh cover shields driver to prevent damage while ensuring longevity.
- Robust Medium Density Fiberboard (MDF) cabinet construction with internal bracing for resonance free performance at highest drive levels.
- Screw-in Iso-elastomer feet reduce noise artifacts and improve stability
- Dimensions (with grille): 25.0” (635mm) H x 21.7” (550mm) W x 29.3” (744mm) D
- Dimensions (without grille): 25.0” (635mm) H x 21.7” (550mm) W x 28.5” (723mm) D
- Shipped Dimensions: 30.2” (767mm) H X 27.5” (698mm) W X 38.4” (976mm) D
- Weight (unboxed): 164.7lbs (74.7kg)
- Shipped Weight: 186.1lbs (84.4kg)
Driver Specs:
- All-new proprietary 17-inch long-throw driver with high-precision tuned overhung motor configuration.
- 63.76lb (28.92kg) pound Woofer with 54.17lb (24.57kg) pounds motor
- 48.9mm Xmax, 81.78mm Xmech precision aligned excursion
- 8” diameter Voice Coil with high current 4-layer bifilar copper-clad aluminum wire windings
- Dual Voice coil design captures power delivery from dual-mono amplifier outputs into a single voice coil for maximum acoustic output.
- High Temperature glass-fiber composite former/bobbing
- Four-piece high-grade oversized Y35 Ferrite magnet motor produces effortless on-demand driving-force for subtle and over-the-top bass thrills.
- Dual shorting rings reduce gap inductance and lower distortion
- Dual 25-strand copper-alloy and Nomex composite high-temperature leads woven through the spider provide a pristine electrical connection from the amplifiers to the voice coils.
- Precision machined and narrow tolerance Top-plate and oversized T-yoke with integrated pole-piece extension made from low carbon 1010 steel for optimal magnetics and thermal capacity
- Dual Nomex extreme excursion linear suspension spiders.
- Proprietary injection-molded extreme-excursion catenary SBR rubber surround ensures flawless pistonic motion for pinpoint control and accuracy without distortion at the highest drive levels.
- Premium glass-fiber laminated dustcap and vented composite cone sub-structure with exceptional stiffness-to-mass ratio ensures a light, ridged, and neutral radiating surface about to move massive amounts of air with crisp precision.
- High-density 17” Powder-coated cast aluminum basket FEA optimized for maximum rigidity, tensile strength, and energy transference.
- Nickel-plated high-tension spring terminals provide secure connections.
Amplifier Specs:
- Sledge STA-2800D with 2800 watts RMS continuous power (6000+ watts peak dynamic power)
- High resolution 295Mhz Analog Devices Audio DSP with double precision 56bit filtering, with over 5x the processing power of our previous subwoofers, the most advanced subwoofer processor available for perfect audio reproduction.
- DSP monitors every function of the amplifier ensuring precisely regulated clean voltage is delivered to and from the switch mode power supply and maximum current is pushed to the driver’s voice coils.
- DSP Continuously runs complex power management algorithms and multi-point thermal, voltage, and current monitoring systems to optimize AC voltage delivery to the power supply for continuous peak performance with maximum performance and greatest efficiency.
- Advanced digital audio processing and DACs (Digital-to-Analog Converters) with 120 dB Signal-to-Noise Ratio provide greater headroom, lower noise, and flawless fidelity.
- Dual-mono discrete Class D amplifiers create effortless and endless power from eight massive 60A 200V MOSFETs, resulting in lower EMI and highest efficiency while providing effortless power each voice coil, producing SPLs and low frequency output with pristine clarity well beyond reference listening levels.
- All new Switch Mode Power Supply (SMPS) includes a two-stage 100v-240v full range active Power Factor Correction (PFC) which pre-regulates mains to solid 390V DC regardless of mains voltage or quality, ensuring a consistent 160V rail voltage for the dual-mono amplifiers.
- Power-Factor-Correction (PFC) time aligns the AC voltage to the AC current resulting in less heat, greater efficiency, peak power output, and the ability to maintain rated power over a wide-range of AC voltages.
- Onboard AC line conditioner filters and stabilizes incoming voltage, corrects waveform distortions, and eliminates electromagnetic and radio interferences to optimize signal quality and audio performance.
- New convective cooling plate design pulls cool outside air through vents at the bottom of the amplifier plate, flowing over the amplifier components and internal heat sinks, eliminating the need for an external heatsinks.
- Customer EQ and DSP limiter settings specifically for the 17-Ultra allow the subwoofer to take control of a room and pressurize it with accurate, heart-pounding, acoustically tuned bass.
- Unbalanced RCA 10kohm input impedance (compatible with consumer and professional audio up to 4Vrms inputs)
- Balanced XLR 14kohm input impedance (compatible with consumer and professional audio up to 14Vrms / +24dBu inputs)
- USB provides power for the SVS SoundPath Wireless Audio Adapter (sold separately) which eliminates the need for a cable run to the subwoofer from the source component.
- Auto/On and Trigger options through App for maximum installation convenience (3.5mm trigger Input 3-12V AC/DC)
- 3.5mm IR input for easy integration with control systems
- Green 0.5-watt low standby power consumption
- RoHS compliant, lead-free construction, world-wide safety certifications.
SVS App Features:
- Compatible with Apple iOS, Google Android, and Amazon Fire platforms, the industry leading SVS Subwoofer Control Smartphone app allows convenient and intuitive management of all subwoofer controls.
- The Analog Devices DSP supports a comprehensive menu of functions, including volume, fully adjustable low pass filter, phase, polarity, six PEQs, room gain compensation, tuning modes, power management settings, and more.
- Includes three convenient memory presets for fast and easy global system adjustments to match listener preferences.
- Subwoofer Auto Room Equalization (available via over-the-air app update soon)
- Uses your mobile device’s built-in microphone to measure the acoustic performance of your subwoofer in your room
- Automatically calculates equalization filters to optimize the subwoofer and room combined performance at your listening position
- Unique bidirectional feedback shows adjustments in real time on both app and subwoofer interface.
- Easy-to-follow tutorial provides clear guidance for all functions
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Skincare and Hair Care Experience with This Cyperus Rotundus Oil
This cyperus rotundus oil has a lightweight texture with good fluidity, it absorbs quickly when applied to the face, leaving no greasy or heavy feeling, even for combination-oily skin, I mainly use it for facial moisturizing and body care, after washing my face, I warm 2-3 drops in my palms and press it into my skin, and it doesn’t cause pilling when applying makeup afterward, leaving my skin soft and smooth, for hair care, after using it consistently for a month, the hair on my underarms and limbs has become finer, and the growth rate has slowed down significantly, so I don’t need to remove hair frequently, my skin also doesn’t get rough from frequent shaving, there’s no stinging or burning sensation during use, making it safe for sensitive skin, and the light aloe scent is fresh and pleasant, the dropper design is convenient, allowing precise dosage control to avoid waste, in addition to face and body, I also use it for scalp care, after washing my hair, I massage a few drops into my scalp, which relieves dryness and makes my hair smoother and shinier, overall, it delivers noticeable results for both skincare and hair care, with a comfortable user experience.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Absorbs into the skin well and no irritation so far
I bought this Cyperus Rotundus oil to try out, and the 1.85 oz bottle is a good size for me. The oil has a light botanical scent that is pleasant and not too strong. I have applied it a few times and found that it is very easy to use with the included dropper. It absorbs into the skin well and I have noticed no irritation at all, which is important for my daily routine.
The bottle arrived quickly and was packaged securely so there were no leaks. It is a practical addition to my shelf, and the glass container feels solid. This product does exactly what it says on the label and provides a straightforward way to use a natural oil. It is a functional and simple purchase that meets my needs perfectly.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Smooth skin without the post-shave itch
I’ve always had issues with my skin feeling super irritated after I shave my legs, so I started applying this Cyperus Rotundus oil right after hopping out of the shower. The quality of the blend is impressive—it’s got jojoba and almond oil too, so it feels very nourishing rather than just sitting on top of the skin. It absorbs quickly enough that I can put on my leggings and head to the gym without feeling like a greaseball.
The functionality as a hair inhibitor is a nice bonus. I’ve noticed the hair on my shins seems to be coming back a bit softer and less stubbly than before. For a 55 ml bottle, the value for money is solid since you only need a few drops to cover a large area. It’s a great find for anyone who deals with that annoying sandpaper feeling a day after waxing. My roommate even started using it on her arms because it’s fragrance-free and doesn't mess with her perfume.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Lightweight oil that fits into a simple routine
I started using this oil as part of my regular skincare routine, mainly applying it to areas like my arms and face after showering. The texture feels light and spreads easily without leaving a heavy residue. I noticed it absorbs fairly quickly, which makes it convenient for daily use. It also has a mild scent that is not overwhelming. I like that it includes plant based ingredients, and it leaves my skin feeling soft after application.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Refreshing orange scent
These are effective at refreshing your disposal. When I am done cleaning up my kitchen I put 2 drops in the disposal side of my sink and briefly pulse the disposal to break open the drop. Don't run any water as this will wash away the drop and the fresh orange scent. I am very sensitive to perfume or floral fragrances - these are just the right amount of orange scent to make your drain smell fresh without the scent overwhelming the kitchen.
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Reviewed in the United States on April 15, 2026
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