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Finish: Black Ash
  • Black Ash
  • Lacquered Black
€3,699
In stock
Delivery in 3 days (free)
Fast delivery: tomorrow
FreeValue €269
AudioQuest Boxer 3M black and brown braided cable with RCA connector at one end, close-up and partial viewAudioquest Boxer 3m
Protect your product
+€359
Extended warranty to 8 years +
Accidental damage cover for 3 yearsWhat are the benefits?

Awards

EISA Awards: Award-Winning Product

Each year, dozens of European journalists gather to select the best electronic products of the year. Awarded by a diverse and impartial jury, the EISA (Expert Imaging and Sound Association) awards recognize exceptional products for their performance, design, or ergonomics.

What the press says

Bulky and not yet ergonomically perfect (without integrated calibration and equipped with a somewhat small screen), the SVS SB-17 Ultra R Evolution sealed subwoofer is a technical gem. This high-end reference model, armed with an exceptional 17-inch woofer and dual 2800-watt amplifier, is as powerful as it is nuanced, performing equally well for home theater as for Hi-Fi.
Automatically translated — Show original (French)
Encombrant et pas encore parfait ergonomiquement (sans calibrage intégré et doté d’un écran un peu petit), le caisson de basses clos SVS SB-17 Ultra R Evolution est un bijou technique. Ce modèle haut de gamme de référence, armé d'un woofer de 43 cm d'anthologie et d'un double ampli de 2800 watts, est aussi puissant que nuancé, aussi performant pour le home cinéma que pour la Hifi.
The SB17 Ultra R|Evolution from SVS is a subwoofer that outperforms all its competitors in terms of price and performance. Technology, construction, and finish leave no room for compromise. Thanks to its exceptional power and precise bass reproduction, numerous adjustment options, and automatic room correction, it is ideal for use in high-end audio and home theater environments.
Automatically translated — Show original (French)
Le SB17 Ultra R|Evolution de SVS est un caisson de basses qui surpasse tous ses concurrents en termes de prix et de performances. Technologie, construction et finition ne laissent aucun compromis. Grâce à sa puissance exceptionnelle et à la précision de sa reproduction des basses, à ses nombreuses options de réglage et à sa correction automatique de la pièce, il est idéal pour une utilisation dans les environnements audio et home cinéma haut de gamme.

Technical Specifications

Acoustic Performance

  • Speaker: 43 cm long-throw with high-precision motor
  • Frequency response: 15 Hz to 320 Hz ± 3 dB
    • Extension down to 12-13 Hz in small to medium-sized rooms
  • Excursion: 82 mm Xmech (49 mm Xmax)
  • Amplifier: SVS STA-2800 Class D

Construction

  • Finishes: Glossy piano black, black oak (real wood veneer)
  • Cabinet made of reinforced medium-density fiberboard (MDF) with non-resonant acrylonitrile butadiene styrene (ABS) grille
  • Screw-in iso-elastomer feet
  • Rear panel with organic light-emitting diode (OLED) display and control interface

Transducer Technology

  • 20 cm voice coil, dual aluminum wire, 4-layer
  • Four-piece Y35 ferrite magnet motor
  • Dual Nomex suspension and extreme-excursion styrene-butadiene rubber (SBR) surround
  • 43 cm high-density cast aluminum basket
  • Total speaker weight: 29 kg (including 25 kg motor)

Electronics and Signal Processing

  • 295 MHz Analog Devices digital signal processor (DSP) (56-bit double-precision filtering)
  • Switching power supply with power factor correction (100-240 V)
  • Integrated AC line conditioner
  • Convection cooling system
  • Inputs: RCA (10 kΩ), XLR (14 kΩ)
  • Standby power consumption: 0.5 W

Connectivity and Control

  • USB port for wireless audio adapter (sold separately)
  • Auto / On modes and 3-12 V trigger input
  • 3.5 mm infrared (IR) input for control systems
  • Mobile app (iOS, Android, Amazon Fire):
    • DSP control, presets, auto EQ
    • Real-time bidirectional feedback

Dimensions and Weight

  • Dimensions (H × W × D): 50.7 × 49.5 × 53.7 cm (with grille)
  • Net weight: 56.25 kg

Compliance and Accessories

  • RoHS compliant, lead-free, international safety certifications
  • Included: protective grille, feet, power cord, quick start guide

Frequently Asked Questions

What is the difference between the SB17-Ultra R|Evolution and its predecessor?

The SB17-Ultra R|Evolution represents a complete overhaul compared to the previous model. It incorporates a new 17-inch driver with a dual voice coil, a more powerful 2800-watt amplifier, a more advanced DSP, and new features like Auto EQ. These improvements result in superior performance in terms of power, precision, and versatility.

Is the SB17-Ultra R|Evolution suitable for both home theater and stereo hi-fi use?

Absolutely. Its extended frequency response, high power, and calibration options make it an ideal choice for both delivering spectacular movie effects and accurately reproducing musical bass frequencies. Its versatility allows it to adapt to all types of audio configurations.

How does the automatic room correction work?

The Auto EQ function uses your smartphone’s microphone to measure the subwoofer’s acoustic response in your room. The app analyzes these measurements and automatically applies equalization filters to optimize the subwoofer’s performance based on the specific acoustics of your listening space. This feature will be available via an app update.

What is the power consumption of the SB17-Ultra R|Evolution?

Despite its high power, the SB17-Ultra R|Evolution has been designed to operate on a standard 15-amp household circuit. In standby mode, its consumption is very low, only 0.5 watts. The integrated power management system optimizes energy efficiency based on the level of use.

User reviews

Eric

To start with, I should point out that 99% of my use is dedicated to HIFI, with the subwoofer there to enhance, if possible, an already capable system that just needs a little extra soul at the bottom end
Choosing a sealed enclosure was therefore obvious, for good control of the driver and a smaller size
Size and weight are, of course, the two drawbacks of this subwoofer
The size is still acceptable, but limits where it can be placed to a specific area, though a dedicated listening room is preferable to avoid any conflict
Being on my own, it took quite a bit of effort to get its weight upstairs

As for listening, I was worried it might be too powerful, too dominant, and distort the character of the recording
but in fact not at all, it is certainly powerful if you want it to be, but properly adjusted, it barely moves, the 17-inch driver is completely under control, a simple vibration from it breathes life into the bass register, while remaining perfectly controlled without any smearing, compared with the SVS 1000, the difference is striking, the 1000 smears much more, giving a rounder, less dry bass that lingers a little
None of that with the SB17
The only issue comes from recent mastering where the trend is to add bass, which is annoying when using an already capable system, and calls for different settings, but the app is very handy for that, it is even a reason to choose their equipment
On recordings from the 80s or 90s, or classical music, though, it is magnificent, the soundstage opens up a little more, everything is better positioned, symphonies with a wide dynamic range literally explode, the impact of the bass drums ( Malher symphony no. 1 ) hits you in the gut without the slightest lingering resonance, you can feel the vibrations of the drumhead, sublime

If you have the space and the budget, it is really worth it

Comment from October 05, 2026 — Experience from September 24, 2026

Automatically translated — Show original (French)
Pour commencer je précise que mon utilisation est à 99% dédiée à la HIFI , l'utilisation d'un caisson étant la pour sublimer , si possible, une installation déjà performante , mais demandant un petit supplément d'âme dans le bas du spectre
Le choix d'un clos était donc une évidence , pour une bonne tenue du HP et un plus faible volume
Avec le volume et le poids , on touche bien entendu aux deux handicaps de ce caisson
Le volume reste malgré tout acceptable , mais limite son emplacement à une zone définie , une pièce dédiée à l'écoute est toutefois préférable pour éviter tout conflit
Le poids , étant seul , m'a demandé pas mal d'effort pour le monter à l'étage

Coté écoute , je pouvais craindre un truc trop puissant , trop présent , qui dénaturerait l'enregistrement
mais en fait pas du tout , il est serte puissant , si on le veux , mais bien réglé , il bouge à peine , le 17 pouces est totalement maintenu , une simple vibration de sa part donne le souffle au registre des basses , tout en étant parfaitement tenu sans aucune bavure , par comparaison avec le SVS 1000 , la différence est flagrante , le 1000 bave beaucoup plus donnant une basse plus ronde , moins sèche , qui traine un peu
Pas de tout cela avec le SB17
Le seul soucis , viens des mastering récent ou la mode est de rajouter des basses , la c'est pénible quant on utilise un ensemble déjà performant , et demande de faire des réglage différents , mais pour cela l'application est très pratique , c'est même un critère de choix pour leur matériel
Par contre sur des enregistrements des années 80 ou 90 , du classique , la c'est grandiose , la scène prend encore un peu plus d'espace , tout est mieux placé , les symphonies avec une forte dynamique explosent littéralement , l'impact des grosses caisses ( Malher symphonie n° 1 ) prend aux tripes sans la moindre trainée , on ressent les vibrations de la peau , sublime

Si vous avez la place , et le budget , ça vaut vraiment le coup
  • Eco-contribution of €1.50 included in the sale price.
  • GTIN / EAN: 850062185173
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