Headphone Amplifiers Astell&Kern

ES9219MQ Dual DAC from ESS for True Hi-Fi Quality, Up to 32-bit/384kHz & Native DSD, MQA 8X, Roon Tested Supports 3.5mm Output and most Headset Microphones Compatible With iOS and Android Devices with Optional Android APP Available (For Detailed Volume Control) Full Aluminum Refined Material and Dual Shielded Cable Compact, but Powerful

Better Sound, with or without cables, AK HB1 portable Bluetooth DAC/AMP. Separate DAC and AMP for Premium Hi-Fi Experience Features ESS ES9281AC PRO DAC for exceptional noise control and unparalleled ultra-high-quality Hi-Fi sound performance 3.5mm and 4.4mm Dual Output Supports LDAC and aptX HD for High-Quality Bluetooth Sound Plug & Play USB DAC Function. Interchangeable Cable (Type-C and Lightning Cable Included) Supports both UAC 2.0 and UAC 1.0 connections for cross-platform quality sound experiences (Gaming Systems) Multi-Point Connection (Up To Two Devices) Clear and Vivid Voice in Calls. Built-In Microphone Car Mode Supported MQA Renderer / Roon Tested

Perfectly drive any headphone/IEM with 4 levels of gain and up to 15Vrms output Equipped with ESS ES9068AS Quad-DAC for detailed and balanced sound plus Support for 32bit/384kHz PCM and Native DSD512 playback Support for the latest Bluetooth 5.0 and wireless 24-bit codecs (Qualcomm aptX HD, LDAC) plus Dual Band Wi-Fi support for greater wireless connectivity Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA Built-in Battery, Portable amplifier can operate without external power supply for up to 10.5 hours of playback