---
title: subdevices
framework: Core Audio
role: symbol
role_heading: Instance Property
platforms: [macOS 15.0+]
path: coreaudio/audiohardwareaggregatedevice/subdevices
---

# subdevices

An array of AudioHardwareClocks representing all the devices and clocks, active or inactive, contained in the aggregate device. The order of the items in the array is significant and is used to determine the order of the streams of the aggregate device.

## Declaration

```swift
var subdevices: [AudioHardwareClock] { get throws }
```