Amazon.com: BoxWave Charger Compatible with Astell & Kern Acro CA1000 - International PD Wall Charger (65W), 3 USB International Charge Adapter and Converter for Astell & Kern Acro CA1000 - Winter White : Electronics
Astell&Kern Introduces Two Portable Headphone Amplifiers - ecoustics.com
Product Launch: Astell & Kern ACRO CA1000 | The Headphone List
Astell&Kern Acro CA1000: an incredibly versatile headphone amplifier - Son-Vidéo.com: blog
Astell & Kern ACRO CA1000 Portable headphone amplifier/DAC with Bluetooth® and Wi-Fi at Crutchfield