BASS Hz!
Subwoofer & Amp Tuner
$3.99 · Designed for iPad. Not verified for macOS.
Built for car audio enthusiasts who tune by ear.
Test subs, amps, and enclosures with precise bass tones from 10–150 Hz, in the driveway, garage, or at home.
Dial in your sub. Find rattles. Set your gain right.
Generate clean bass tones from 10–150 Hz to test and tune car or home audio while using pure frequencies, not music. Built on Apple’s Core Audio engine for accurate, low-distortion tone generation.
Perfect for:
• Finding and fixing rattles and buzzes in your vehicle
• Setting amplifier gain and boost with precision
• Stress-testing subwoofers to find their best response
• Prepping and fine-tuning systems for audio competitions
Features:
• Bass tones from 10 Hz to 150 Hz
• Real-time frequency adjustment as you listen
• Five preset bass tracks included
• Noise Test mode
• Sweep Test mode (20 Hz–20,000 Hz)
• Fine-grained control for precise tuning
IMPORTANT — READ BEFORE USE
This app generates very low bass frequencies not typically found in music. Always start at low volume. Unmonitored use at high volume can damage speakers, subwoofers, and amplifiers. Know your system’s limits and monitor volume at all times.
Bug fixes and stability improvements.
The developer, KSelman, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Kevin Selman
- Size
- 14.7 MB
- Category
- Music
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 9 more
- English, German, Hindi, Indonesian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- Copyright © 2026 KSelman
