Teleth

Teleth Contour

Headphone Correction for macOS

Teleth Contour is a system-wide convolution EQ for macOS. It applies AutoEq presets or imported WAV impulse responses to system audio for headphone correction.

See pricing View screenshots

Direct download

One-time purchase. No account. No subscription.

Download arrives as TelethContour-<version>.zip.

What it does

  • Loads AutoEq presets without pushing correction logic into another app.
  • Imports WAV impulse responses directly for manual FIR workflows.
  • Processes system audio at the menu bar, with output selection, trim, bypass, and route status in one place.

Screenshots

Two surfaces matter: the control window and the menu bar route controls.

Teleth Contour preferences window with output selection, preset library, running status, and trim control.
Pick an output, choose a preset, and adjust trim from one window.
Teleth Contour menu bar item with the dropdown menu open, showing status, output mode, output device, and quick actions.
Check status and control playback from the menu bar.

Compatibility

Current release target

  • macOS 15 or later
  • Primary tested outputs: built-in speakers and wired headphones
  • First activation requires macOS Audio Capture permission
  • Manual import supports WAV impulse responses only

Current v1 scope

What to expect

  • Automatic mode follows the current Mac default stereo output.
  • USB and Bluetooth output support is coming soon.
  • If a pinned device disappears, the app falls back to the Mac default output.
  • If Audio Capture permission is missing, the app tells you when to reopen System Settings and activate again.

Pricing

Direct download

Launch at $19.99. Standard price $24.99. All 1.x updates are included.

$19.99 launch price

$24.99 standard price after the launch window.

Direct download. One-time purchase.

FAQ

How do I install it?
Download TelethContour-<version>.zip, unzip it, drag the app into Applications, and launch it from there.
What happens on first activation?
macOS asks for Audio Capture permission so Teleth Contour can process system audio. If permission is denied, the app tells you exactly where to re-enable it.
What outputs are supported today?
Built-in speakers and wired headphones are the primary tested outputs. USB and Bluetooth output support is coming soon.
Can I import my own corrections?
Yes. Manual import supports WAV impulse responses.
What is the refund policy?
Refunds are available for 14 days.