Version 1.2.7 is a massive update. The app is now AirDSP by Acoustas. Same app, same account, same devices on your amp. The home-screen icon reads AirDSP. Nothing you set up before needs to be set up again. - Rebuilt from the ground up: faster screens, smoother motion, more reliable tuning - Dedicated apps now on iPad, Mac, and Windows, each with layouts built for the larger screen - Redesigned interface across every screen, with new controls and haptic feedback - FIR Vault: Linear Phase Linkwitz-Riley, Invisible Linear Phase, Nt-X Pro Linear Phase - Phase Linearizer to correct phase response of any filter chain - Tune all the way down to 10 Hz across EQ and crossovers - New 15-band EQ with 0.25 dB resolution, low and high shelf filter types, a fine tuner, and haptic feedback - Long-press a band's gear icon to instantly reset it to flat - New preset engine: export any preset as a .acp file that works on any Acoustas amp - Save an entire amp state as a .acs file, with every preset, FIR, routing, and setting - New frequency response graph with richer gradient fills and smoother curve rendering - Redesigned Tone Control, Volume Control, and channel selection - Per-channel fine-tune gain, independent of master volume - Bluetooth or manual Wi-Fi provisioning built into the app (no separate setup app) - Over-the-air firmware updates through the app - Firmware v1.7.8 ships with this release Bug fixes: - Network discovery fixed on iPhones that previously had trouble finding the amp - Bessel filter instability resolved - Factory reset now completes cleanly every time, with the volume muting instantly and settings restoring correctly on reconnect - Preset import now preserves filter types and channel groups correctly - Preset and device switching now applies settings cleanly, with no partial updates Running firmware older than v1.4.12? Visit update.acoustas.com for a one-time USB update that brings your amp up to date and unlocks over-the-air updates from then on.

We’ve been hard at work improving your experience. Here’s everything that’s new, better, and smarter in this release: Control Page Upgrades - More Presets: Now with four additional preset slots for your custom setups - Customizable Presets: Choose between icon or text with descriptions—make each preset truly yours - Import/Export Presets: Save and share your favorite sound profiles across devices - New Tone Chart: A simplified chart for quick tone adjustments at a glance Devices Page - New Support Menu: Help is now just a tap away Tune Page Enhancements - Custom Channel Labels: Add icons or text with descriptions to make each channel instantly recognizable - Channel Copy Tool: Copy any channel’s settings—including L/C/R assignment, Invert, Delay, Gain, Crossovers, and EQs—to any other channels - Clear Channels: Instantly clear any selected channels with one tap - All-New Frequency Chart: View and compare multiple channels, zoom and pan, inspect exact values at any frequency, and even overlay tone signals - Channel Groups: Create and name channel groups, then control each one independently from the new Groups page - EQ Editor Pop-Up: Adjust Frequency, Gain, and Q with sliders and see changes live on the chart - Sort EQs with One Tap: Organize EQ bands by frequency across one or more channels with a single button General Improvements - Cleaner Interface: Slimmer icons, tighter layout, and removed dividers for a sleeker, more focused experience - New Mute Icons: Replacing switches with elegant mute icons—cleaner and more intuitive Bug Fixes Q-Setting Bug: Fixed an issue where the wrong Q value could be set in rare cases Device Scanning: Improved discovery speed and reliability with smarter caching iPhone Permissions: Added the necessary prompts for iPhones that require explicit mic permissions Crossover Frequency Editing: Now changes are applied only when saved—no more accidental frequency shifts while tweaking Enjoy the new features and stay tuned—more to come! Team Acoustas

We’ve been hard at work improving your experience. Here’s everything that’s new, better, and smarter in this release: Control Page Upgrades - More Presets: Now with four additional preset slots for your custom setups - Customizable Presets: Choose between icon or text with descriptions—make each preset truly yours - Import/Export Presets: Save and share your favorite sound profiles across devices - New Tone Chart: A simplified chart for quick tone adjustments at a glance Devices Page - New Support Menu: Help is now just a tap away Tune Page Enhancements - Custom Channel Labels: Add icons or text with descriptions to make each channel instantly recognizable - Channel Copy Tool: Copy any channel’s settings—including L/C/R assignment, Invert, Delay, Gain, Crossovers, and EQs—to any other channels - Clear Channels: Instantly clear any selected channels with one tap - All-New Frequency Chart: View and compare multiple channels, zoom and pan, inspect exact values at any frequency, and even overlay tone signals - Channel Groups: Create and name channel groups, then control each one independently from the new Groups page - EQ Editor Pop-Up: Adjust Frequency, Gain, and Q with sliders and see changes live on the chart - Sort EQs with One Tap: Organize EQ bands by frequency across one or more channels with a single button General Improvements - Cleaner Interface: Slimmer icons, tighter layout, and removed dividers for a sleeker, more focused experience - New Mute Icons: Replacing switches with elegant mute icons—cleaner and more intuitive Bug Fixes Q-Setting Bug: Fixed an issue where the wrong Q value could be set in rare cases Device Scanning: Improved discovery speed and reliability with smarter caching iPhone Permissions: Added the necessary prompts for iPhones that require explicit mic permissions Crossover Frequency Editing: Now changes are applied only when saved—no more accidental frequency shifts while tweaking Enjoy the new features and stay tuned—more to come! Team Acoustas

• New frequency response chart for the 15-Band EQ, now showing crossover effects • Real-time adjustment of Frequency, Q, and Gain for each EQ filter, including Tone Control

New Features: Frequency & Q Scrolling for 15-Band EQ Fine-tune your system with precision. You can now scroll live around the selected center frequency and adjust the Q value in real-time — with immediate feedback in your choice of RTA software. Custom Labels & Icons for Presets and Channels Organize your setup the way you want. Add custom labels and icons to presets and channels. The number of available presets has also been increased. Save Full Amp State as Text File Quickly save and reload your complete amplifier configuration with a single text file export — ideal for backup or sharing setups. Faster WiFi Connection We’ve rebuilt the WiFi connection stack for Acoustas devices, delivering faster and more reliable connections across both older and newer routers. Now Available Cross-Platform The Acoustas app is now available cross-platform for iOS, macOS, iPadOS — and new to Windows.

- Now you can see the audio source bit depth and frequency rate of the coaxial input