# Marshall・Bluetooth Connect — Bluetooth Headphones & Speaker

> Control and customize audio output from your device with an equalizer and volume booster. (iPhone/iPad app by Stefan Lozan.)

- Source: https://appshunter.io/ios/app/marshallbluetooth-connect/id6754452970 (this page in markdown: same URL + `.md`)
- Developer: [Stefan Lozan](https://appshunter.io/developer/1848333375)
- Category: Music, Utilities
- Price: Free with in-app purchases
- Rating: 4.50/5 from 25 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.6 · 79 MB
- Languages: Russian, Bangla, Gujarati, Hindi, Kazakh, Odia, Slovenian, Urdu, Vietnamese, American English and 23 more
- Released: 2026-05-05
- Data updated: 2026-08-31
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/marshallbluetooth-connect/id6754452970/reviews.md

## What is Marshall・Bluetooth Connect?

Enjoy a simple way to manage your Marshall audio devices and personalize your listening experience. Control your speakers and headphones an get access to essential sound settings.

Key Features:  
- Customize EQ settings to shape your sound  
- Adjust volume and playback directly in the app  
- Connect and control multiple audio devices  
- Access noise control features for supported headphones  
- Stay updated with the latest firmware and improvements  
- Clean and intuitive interface for easy everyday use  
- Compatible with a wide range of Marshall audio products  

Take control of your sound with a modern app built to make Marshall audio feel even more personal and convenient.

Disclaimer: Our app does not claim to be the Marshall brand. We simply provide access to compatible Bluetooth connectivity and audio control features. Responsibility for the use of connected devices and related actions lies with the user.

Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable.

Terms of Use & Privacy Policy:
https://docs.google.com/document/d/16-T_SlzUBAp9oBSU_aU5hRdNiGK0r1EaGv21mFTANW0/edit?usp=sharing
https://docs.google.com/document/d/1Gsa65rW8aeqb4Co0x7f2n9E86OfNZoXfComz_CgiA14/edit?usp=sharing

## Key features

- Customize EQ settings
- Adjust volume and playback
- Control multiple audio devices
- Access noise control
- Intuitive interface
- Firmware updates

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Connect Device・Control Sound | $5.99 | per 7 days |
| Connect Device・Control Sound | $6.99 | per 7 days |
| Connect Device・Control Sound | $6.99 | per 7 days |
| Connect Device・Control Sound | $39.99 | per year |
| Connect Device・Control Sound | $49.99 | per year |
| Connect Device・Control Sound | $19.99 | per month |
| Connect Device・Control Sound | $29.99 | per month |
| Connect Device・Control Sound | $9.99 | per 7 days |
| Connect Device・Control Sound | $7.99 | per 7 days |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/marshallbluetooth-connect/id6754452970/reviews.md

### 1/5 — Wollen Geld

*2026-08-14*

Bei dem Punk kosten hab ich die App sofort gelöscht. Nimmt euch ein Beispiel an andere Hersteller die sowas zum Steuern der Geräte kostenlos zur Verfügung stellen.

### 5/5 — G-S

*2026-08-04*

Mejor que muchas

### 4/5 — Charging for nothing

*2026-07-12*

Really, not sure what service this app is charging users. A headphone is supposed to connect to devices by default.

## Frequently asked questions about Marshall・Bluetooth Connect

### What is Connect Device・Control Sound?

Connect Device・Control Sound is a music app that allows you to control and customize your speakers and headphones. You can adjust volume, use an equalizer to fine-tune sound, and switch between multiple connected devices.

### Does Connect Device・Control Sound have ads?

No, Connect Device・Control Sound does not contain advertisements. The app is free to download and use, with optional in-app purchases for advanced features or subscriptions.

### What subscription plans are available for Connect Device・Control Sound?

Subscription plans for Connect Device・Control Sound are offered on a weekly basis, with prices ranging from $5.99 to $9.99 per week. Some plans include a 3-day free trial.

### How do I manage my Connect Device・Control Sound subscription?

You can manage your subscription and turn off auto-renewal by going to your Account Settings after the initial purchase. Subscriptions automatically renew unless turned off at least 24 hours before the current period ends.

### Is Connect Device・Control Sound available on Android?

Currently, Connect Device・Control Sound is only supported on iPhone. The app is designed for iOS devices and has an age rating of 4+.

### How often is Connect Device・Control Sound updated?

The app was last updated on July 3, 2026, with version 1.1. Users can expect regular updates to introduce new features and improvements.

### Can I use Connect Device・Control Sound offline?

The provided description does not specify offline functionality. However, controlling connected devices and using features like the equalizer typically requires an active connection.

### What makes Connect Device・Control Sound's equalizer special?

The app allows you to customize EQ settings to personalize your sound. This feature helps you fine-tune the audio output to your specific preferences for a better listening experience.

## Version history (last 2 releases)

### 1.1 — 2026-07-03

Fresh update is here! We’ve tidied up the app and fixed a few bugs. Here’s what’s new:
- metadata updates
- bug fixes

### 1.0 — 2026-05-05

No release notes.

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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 2026-08-31.*