SoundSource 6.1.5 — macOS

SoundSource 6.1.4 runs on macOS 15 and later, on both Intel and Apple Silicon Macs. That alone tells you Rogue Amoeba keeps this thing current — no legacy baggage, just the tools you need for serious audio control on modern hardware.

What sets SoundSource apart for experienced users is the per-app audio routing and effects. You can assign the built-in Headphone EQ to just Safari or Music, not the whole system. Save a complete audio configuration — input device, output device, sound effects device, per-app volume levels — and switch between them with one click. That’s useful when you move between headphones, speakers, and a microphone setup during the same day.

The menu bar gives you quick access to volume, input, output, and system sound effects without digging into System Settings. Version 6.1.4 fixed Bluetooth output performance issues and a crash with Bluetooth devices on macOS 27, so if you rely on AirPods or a Bluetooth headset, that’s a real improvement. The ARK plugin was updated to 13.5.4 as well.

English interface, 64-bit only, no 32-bit leftovers. If you manage audio on a daily basis — recording, streaming, or just switching between apps with different audio needs — SoundSource is the kind of utility you wonder how you did without.

Per-app routing protects voice tracks from alert tones

Podcast creators and anyone recording voiceover work benefit most from SoundSource's per-app routing. You can send your microphone input through effects in your recording app while keeping system sounds routed elsewhere — no bleed, no accidental alert tones in a take. Home audio users who switch between TV audio through a Mac, music playback, and video calls find the saved configurations a practical timesaver. IT staff managing shared Macs appreciate being able to set consistent audio behavior without walking users through System Settings.

SoundSource also suits anyone who uses multiple audio devices during a day. If you swap between wired headphones, Bluetooth earbuds, and external speakers, the two-click device switching beats opening System Settings each time. The per-app volume control is another everyday win: keep a web browser quiet while a video call stays loud, without touching system-wide levels.

Routing control instead of recording or processing

Audio Hijack by the same developer is more of a recording and processing powerhouse. It captures audio from apps or inputs and applies complex effect chains, then saves to files or streams. SoundSource focuses on control and routing instead of capture. If you need to record a podcast or grab streaming audio, Audio Hijack is the tool. If you just want to manage what plays where and at what volume, SoundSource is lighter and faster for that job.

BackgroundMusic is a free open-source alternative that offers per-app volume and some routing. It works, but it lacks SoundSource's polish, saved configurations, and reliable Bluetooth handling. BackgroundMusic also has no built-in effects like the Headphone EQ. For users on macOS 27, SoundSource's recent Bluetooth fixes make it a more stable choice.

eqMac provides system-wide EQ and some per-app control. Its free tier is limited, and it doesn't match SoundSource's breadth of input, output, and effects device switching. eqMac focuses on equalization first; SoundSource treats EQ as one part of a complete audio management system.

Saved configurations prevent losing per-app audio setups

• Forgetting to save configurations. New users often set up per-app levels and device choices manually each time, then wonder why it doesn't stick after a restart. SoundSource lets you save a complete audio setup under a name and recall it with one click. Use that feature.
• Applying effects system-wide instead of per app. The Headphone EQ and other effects work per application. Beginners sometimes enable them globally and get unexpected sound changes across everything. Assign effects only to the apps that need them.
• Ignoring Output Groups. If you want audio on both speakers and headphones simultaneously, you need to set up an Output Group. Beginners expect this to work automatically, then wonder why only one device plays.
• Not checking the menu bar icon. SoundSource lives in the menu bar. Some users install it, launch it, and look for a main window. The menu bar icon is the primary control point — click it for volume, device switching, and per-app settings.
• Overlooking Bluetooth fixes. If you use Bluetooth headphones and had crackling or dropouts on macOS 27, version 6.1.4 specifically addressed that. Make sure you're running the latest version.

Bluetooth dropouts fixed for macOS audio stability

The update to version 6.1.4 brought two practical improvements for Bluetooth users. The crash that occurred with Bluetooth devices not honoring requested buffer sizes on macOS 27 is gone — that means no more sudden audio dropouts that force a restart of SoundSource. The Bluetooth output device performance issues on macOS 27 are also resolved, so streaming audio to AirPods or a Bluetooth headset should be more reliable during longer listening sessions.

The ARK plugin update to 13.5.4 is behind-the-scenes work that affects how SoundSource handles audio routing system-wide. You won't see it directly, but it keeps compatibility with macOS changes. For most users, version 6.1.4 feels the same as 6.1.3 in everyday operation — the improvements are in stability, not new features. If you had Bluetooth trouble before, that's where you'll notice the difference.

• ARK plugin updated to version 13.5.4.
• Fixed a crash with Bluetooth devices on macOS 27.
• Fixed Bluetooth output performance issues on macOS 27.

• macOS 15 or later
• Intel or Apple Silicon
• 64-bit application
• Interface: English