BASS Hz!

THE ORIGINAL Bass Tone Tool, Since •• 2012 •• !

► Updated for iOS 26!

Trusted by car audio enthusiasts for over a decade. Test and tune your car or home audio system with precise, clean bass tones — down to 10Hz.

Whether you're chasing rattles, dialing in your amp's gain and boost, or prepping for a competition, Bass Hz! gives you the control to fine-tune your system by ear, using pure frequencies instead of music.

Built on Apple's Core Audio engine for clean, accurate tone generation.

HOW IT'S USED

► Find and eliminate rattles and buzzes in your vehicle

► Set amplifier gain and boost levels with precision

► Stress-test subwoofers to find their optimal response

► Prep and fine-tune systems for audio competitions

FEATURES

► Generate bass tones from 10Hz to 150Hz

►Adjust frequency in real time as you listen

► Five preset bass tracks included

► Noise Test mode

► Sweep Test mode (20Hz–20,000Hz)

► Fine-grained frequency increments for precise tuning

••• IMPORTANT SAFETY NOTE •••

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 before you start. Monitor your volume at all times.