Transform your phone into a powerful speaker controller. Stream music from your library, use your phone as a live microphone for karaoke or presentations, and record and play sound clips on demand. Enjoy enhanced control and functionality for your speakers.
Reviews of S1 & S2 Speaker Controller are mostly negative: the Utilities app is rated 4.4/5 from 12K App Store ratings. What users like most: easy to connect, great sound quality. Top complaints: frequent crashes, expensive subscription. Summarized from real user reviews.
6.6
October 28, 2026
Bug fixes and app improvements
Unlock all features for one month
3 issues
App freezes during use
Cannot connect to WiFi
3 requests
Ability to play from playlists
Support for more music services
This app allows you to use your iPhone as a microphone to cast your voice to your speakers, stream music directly from your phone's library, and record and play back sound clips. It aims to make your speaker more powerful and convenient.
Key features include using your phone as a live microphone for singing or presentations, streaming music from your phone's library with volume control, and the ability to record and play sound clips on demand. It also supports Wi-Fi and Bluetooth connectivity.
The app offers a free version with limited daily use of premium features. Users can opt for weekly, monthly, or yearly auto-renewing subscriptions for unlimited access to all premium features and an ad-free experience.
The app is designed to connect to your speakers via Wi-Fi or Bluetooth. While the description specifies using an iPhone as a microphone, it implies compatibility with various speakers that support these connection methods.
Common use cases include singing karaoke with amplified voice, leading presentations with your phone as a microphone, easily streaming music from your personal library to your speakers, and using recorded sound clips for various purposes.
