Please note that Amp can refer to a pre-amp to boost an audio signal, or an external speaker amp that bass and guitar players would commonly say. Tested with prerelease Safari 16.1 and latest stable versions of Chrome, Microsoft Edge, and Firefox at the time of testing on: 13-inch MacBook Pro systems with Apple M2 and prerelease macOS Ventura, and Intel Core i7-based PC systems with Intel Iris Xe Graphics and Windows 11 Pro iPad Pro 12.9-inch (5th generation) units with prerelease iPadOS 16.1, and Intel Core i7-based PC systems with Intel Iris Xe Graphics and Windows 11 Pro and iPhone 13 Pro Max with prerelease iOS 16.1, and Qualcomm Snapdragon 8 Gen 1-based smartphones with Android 12.There is a lot of free software available, but basically you want something with an arrangement-view where you can record a single source for a while and layer it with other sources. Devices tested with a WPA2 Wi-Fi network connection.Testing conducted by Apple in September 2022 using JetStream 2.1, MotionMark 1.2, and Speedometer 2.1 performance benchmarks.Tested on 13-inch MacBook Pro systems with Apple M2, 8-core CPU, 10-core GPU, 8GB of RAM, and 256GB SSD, as well as a production 1.7GHz quad-core Intel Core i7-based 13-inch MacBook Pro system with Intel Iris Plus 645 graphics, 16GB of RAM, and 2TB SSD, all configured with prerelease macOS Ventura. Tested with prerelease Safari 16.1 with WPA2 Wi-Fi network connection. Testing conducted by Apple in September 2022 by measuring page load performance of snapshot versions of 10 popular websites under simulated network conditions.Performance will vary based on system configuration, network connection, and other factors. Tested on production 13-inch MacBook Pro systems with Apple M2, 8GB of RAM, 256GB SSD, and prerelease macOS Ventura. Tested with prerelease Safari 16.1 and Chrome v1.125. Performance will vary based on usage, system configuration, network connection, and other factors.