# SVS

> Mobile app for advanced DSP control and optimization of SVS subwoofers. (iPhone/iPad app by Specialty Technologies, LLC..)

- Source: https://appshunter.io/ios/app/svs/id1148462104 (this page in markdown: same URL + `.md`)
- Developer: [Specialty Technologies, LLC.](https://appshunter.io/developer/1148462103)
- Category: Entertainment, Utilities
- Price: Free
- Rating: 4.19/5 from 95 App Store ratings · 73 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 34 MB
- Languages: English
- Released: 2016-10-06
- Data updated: 2026-08-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/svs/id1148462104/reviews.md

## What is SVS?

The SVS app is the easiest way to unleash the full potential of your SVS 17-Ultra RIEvolution, 5000 Series R|Evolution, 3000 R|Evolution, 16-Ultra, 4000 Series, 3000 Series, 3000 Micro, 3000 In-Wall, 2000 Pro Series, and 1000 Pro Series subwoofers by allowing advanced DSP functionality and optimization based on your room, speakers and personal listening preferences.
 
The SVS app lets you do simple things like control volume and create custom presets that enable easy, one-touch tuning for music, movies, and other content. More advanced functionality of the SVS subwoofer app includes the ability to correct room anomalies and fine-tune low frequency output so you can enjoy the full depth, force, and nuance from the world’s finest subwoofers.
 
When used with your SVS subwoofer, the app takes the mystery out of subwoofer digital signal processing (DSP) by clearly explaining each feature and providing easy control from your mobile device. If you’re new to subwoofer DSP, the SVS app has a helpful tutorial that guides you through the different settings.
 
With a few simple adjustments, you can eliminate boomy spots, set crossover frequencies, and make other adjustments to get the deepest, tightest, and most accurate in-room response possible from your SVS subwoofer. You can make adjustments from the comfort of your favorite seat or even when the subwoofer is not in site.
 
With SVS, you can easily optimize settings for:
• Volume Control
• Low Pass Filter
• Phase
• Polarity
• Parametric EQ
• Room Gain Compensation
• Port Tuning (Ported models only)
• Custom Presets
• System Settings
And More
 
The SVS app works with Apple iOS 13.0 or newer. The app is also available for SVS 13-Ultra Amplifier Upgrade Kits for existing owners of the SVS SB13, PB13, PC13-Ultra, PB12-PLUS, and PC12-PLUS Subwoofers.
Have questions, problems or feedback? Contact us at custservice@svsound.com or 877.626.5623.

## Key features

- Advanced DSP functionality
- Room anomaly correction
- Customizable presets
- Volume control
- Low pass filter adjustment
- Parametric EQ
- Port tuning

## What do users think of SVS?

Overall sentiment: mixed

**Pros**

- 👍 Great app for subwoofer control
- 🚀 Intuitive and easy to use
- 💡 Powerful functionality at fingertips
- ✨ Excellent for fine-tuning settings
- ✅ Works reliably for many users
- 📱 Convenient remote control from couch
- ⭐ Top-notch app experience
- 💯 Amazing functionality
- 👌 Well-designed and easy to use
- 🌟 God mode app for subs
- 👍 Customer service is excellent
- 🚀 Smooth and functional operation
- 💯 Highly functional app
- ✅ Works every time
- 👍 Brilliant utility
- 🚀 Amazingly simple and powerful
- 💯 Incredible and flawless

**Cons**

- 🐛 Connectivity issues
- 🐛 App crashes frequently
- 🐛 Preset saving issues
- 🐛 Not intuitive for multiple subs
- 🐛 Lacks auto room correction
- 🐛 Bluetooth connection problems
- 🐛 Security concerns (unsecured BLE)
- 🐛 Phantom BLE connection locks out devices
- 🐛 UI can be unintuitive
- 🐛 App not optimized for newer iPhones
- 🐛 Problematic with iPhone gestures
- 🐛 Desktop version not configured for mouse
- 🐛 Does not support iPad
- 🐛 Preset selection not always shown
- 🐛 Difficult to switch between subs
- 🐛 Lost connection issues
- 🐛 No mute function
- 🐛 Can't control both subs simultaneously
- 🐛 Phantom BLE connection issues
- 🐛 Preset changes not reflected

**Commonly reported bugs**

- App crashes frequently
- Never reconnects to sub, requires reinstallation
- Preset saving is unreliable or doesn't work
- Bluetooth connection issues (out of range, drops)
- Phantom BLE connection locks out other devices
- iPhone gestures interfere with app navigation (swipe up)
- Save Preset button is not visible/executable on iPhone 14 Pro
- Options button not showing up after selecting home screen options
- Preset selection not properly shown on screen when swapping
- App maintains a phantom BLE connection
- Auto On not working
- Amplifier plate issues
- App resets itself on opening
- Subwoofer not in range reported
- Preset is set to none in the app periodically

**Most requested features**

- Group subs for simultaneous adjustments
- Mute function
- Auto room correction
- Widget for quick preset changes
- Apple Watch app for adjustments
- Desktop/Mac app support
- Language options (e.g., French)
- Standby/Active mode indicator
- API for home automation integration
- Native Windows/Mac/Linux control
- Expanded explanations for settings
- iPad support
- Group control for gain adjustments
- Dropdown menu for switching between subs
- Always-on display option
- Automatic recognition of sealed mode
- Support for multiple devices simultaneously
- Net frequency response display with EQs
- Option to go back in menus
- Dark mode

## Recent user reviews (10 of 73)

All indexed reviews: https://appshunter.io/ios/app/svs/id1148462104/reviews.md

### 1/5 — Crashes trying to update 3000micro

*2026-08-10, version 1.3.106*

Just got a new R|revolution 3000micro. First thing it says is there is a firmware update. Leave phone on subwoofer it gets to 100% gives spinner and crashes app. Now sub is in a firmware update loop can’t even use the 5 minute old subwoofer.

### 5/5 — Great App

*2026-03-13, version 1.3.98*

Great App - would love to see a way to group subs together to allow adjusting things like volume just once, instead of having to switch between subs.

### 2/5 — Not bad

*2026-02-19, version 1.3.98*

Was very surprised to see that I can’t control both subs at the same time. This is a must feature in my opinion. Also no mute is a little strange. Hopefully these features will be added very soon considering the price of these subs. Thanks.

### 5/5 — SVS 17 Ultra

*2025-10-24, version 1.3.94*

Der Wahnsinn! Wen es jetzt noch die Funktion gibt den Sub mit dem Handy auf den Hörplatz einzumessen ist alles Perfekt

### 5/5 — Best of the best

*2025-10-02, version 1.3.94*

This is a God mode app for my 3 SVS subs. One of which being the PB17 ultra behemoth. The power at my fingertips and my wife’s! Amazing functionality and intuitive. No need for any complications. Real American know how. Nuff said.

### 5/5 — Review edit

*2025-04-12*

I have actually jumped the gun on my review due to my frustration with this app. Customer Service did actually contact me in a timely fashion. I was contacted two times by phone and twice by email with instruction on how to fix my problem. It turns out I had two phones with the same app that we're fighting each other. I'm very sorry for the lousy review and thank you all for your help and dedication.

### 5/5 — Edit review

*2025-04-12, version 1.3.91*

I may have jumped the gun in giving a less that favorable rating. I actually was contacted be phone twice, in a timely fashion, and contacted by email with instructions for a fix twice. I was absolutely wrong to give an unfavorable review just because of my frustration with the app. With SVS’ instructions, my app is working perfectly. Thank you guys and please accept my apology.
      Chris

### 5/5 — SVS App

*2025-04-11, version 1.3.91*

This app is top notch in the way that you’re able to execute adjustments with your subwoofer. Excellent app!  Well done!

### 2/5 — Auto Room Correction vaporware

*2025-04-10, version 1.3.91*

Bought an SB17 months ago, and still no auto room correction in the app. It was listed as a feature in the sales info! Tired of hit and miss guessing on the EQ.

### 5/5 — SVS App

*2025-03-27*

Excellent App experience 
Really allows the user to adjust your subwoofer settings very easily from your listening position which is fantastic! The app itself is very well designed and easy to use in my experience. 5 stars all day!

## Frequently asked questions about SVS

### What does the SVS app do?

The SVS app provides advanced digital signal processing (DSP) functionality and optimization for compatible SVS subwoofers. It allows users to control various audio settings, fine-tune low-frequency output based on room acoustics and listening preferences, and create custom presets for different content like music and movies.

### What are the key features of the SVS app?

Key features include volume control, low-pass filter adjustment, phase and polarity settings, parametric EQ, room gain compensation, port tuning (for ported models), and the ability to create custom presets. It also offers a helpful tutorial for users new to subwoofer DSP.

### Is the SVS app free to use?

Yes, the SVS app is free to download and use. There are no in-app purchases or advertisements mentioned.

### What devices is the SVS app compatible with?

The SVS app is compatible with Apple iOS 13.0 or newer. It also works with SVS 13-Ultra Amplifier Upgrade Kits for specific older SVS subwoofer models.

### How can the SVS app improve my subwoofer's performance?

The app allows you to eliminate boomy spots in your room, set precise crossover frequencies, and make other adjustments to achieve the deepest, tightest, and most accurate in-room bass response. You can optimize settings from your mobile device for music, movies, and other content.

## Version history (last 5 releases)

### 1.3.106 — 2026-07-14

This update unlocks the powerful new SVS Auto EQ feature. It is a no-cost included upgrade for every SVS 17-Ultra R|Evolution, 5000 R|Evolution, 3000 R|Evolution, and now 3000 Micro R|Evolution subwoofer. 

Note that this update only applies to R|Evolution Series subwoofers.

Also included in this update:
• Updated AutoEQ Graphics
• Improved OTA update functionality
• Minor bug fixes

### 1.3.103 — 2026-06-22

This update unlocks the powerful new SVS Auto EQ feature. It is a no-cost included upgrade for every SVS 3000 R|Evolution, 5000 R|Evolution, and 17-Ultra R|Evolution subwoofer.  The 3000 Micro R|Evolution will also receive this upgrade soon. 

Note that this update only applies to R|Evolution Series subwoofers.

Also included in this update:
• Improved OTA update functionality
• Minor bug fixes

### 1.3.101 — 2026-05-23

This update unlocks the powerful new SVS Auto EQ feature. It is a no-cost included upgrade for every SVS 3000 R|Evolution, 5000 R|Evolution, and 17-Ultra R|Evolution subwoofer.  The 3000 Micro R|Evolution will also receive this upgrade soon. 

Note that this update only applies to R|Evolution Series subwoofers.

Also included in this update:
• Improved OTA update functionality
• Minor bug fixes

### 1.3.98 — 2026-02-09

• Updated compatibility for the new SVS 3000 R|Evolution Subwoofers.
• Over-the-Air (OTA) Firmware updates for 17-Ultra, 5000, 3000 R|Evolution and future subwoofers.
• Many background improvements for performance, upcoming features, and minor bug fixes

### 1.3.97 — 2025-12-10

Improves performance and fixes minor bugs.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*