![Amazon.com: HELM Audio Bolt DAC/AMP, USB-C Portable High-End DAC/Headphone Amplifier with MQA Playback. Mobile Studio Sound for Android, iOS and PC. USB-C to 3.5mm Audio, THX Certified : Electronics Amazon.com: HELM Audio Bolt DAC/AMP, USB-C Portable High-End DAC/Headphone Amplifier with MQA Playback. Mobile Studio Sound for Android, iOS and PC. USB-C to 3.5mm Audio, THX Certified : Electronics](https://m.media-amazon.com/images/I/718jJZBLnCL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: HELM Audio Bolt DAC/AMP, USB-C Portable High-End DAC/Headphone Amplifier with MQA Playback. Mobile Studio Sound for Android, iOS and PC. USB-C to 3.5mm Audio, THX Certified : Electronics
![Shanling H7 Portable DAC/AMP/Player - Wired and Wireless connection | Headphone Reviews and Discussion - Head-Fi.org Shanling H7 Portable DAC/AMP/Player - Wired and Wireless connection | Headphone Reviews and Discussion - Head-Fi.org](https://cdn.head-fi.org/a/11954191.jpg)
Shanling H7 Portable DAC/AMP/Player - Wired and Wireless connection | Headphone Reviews and Discussion - Head-Fi.org
![LADDER Schumann R2R High END Resolution Audio DAC HIFI USB DSP Coaxial OPT AES Decoder - Walmart.com LADDER Schumann R2R High END Resolution Audio DAC HIFI USB DSP Coaxial OPT AES Decoder - Walmart.com](https://i5.walmartimages.com/asr/4dba7c25-7997-427f-ad8b-df1c70729e1b.0f9f75811d5181b34ddaaafe8e217630.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
LADDER Schumann R2R High END Resolution Audio DAC HIFI USB DSP Coaxial OPT AES Decoder - Walmart.com
![Shanling Audio UA2 Portable USB DAC AMP Review: This $85 Dac Amp Combo Has Jaw-Dropping Power and Sound! - HIFI Trends Shanling Audio UA2 Portable USB DAC AMP Review: This $85 Dac Amp Combo Has Jaw-Dropping Power and Sound! - HIFI Trends](https://i1.wp.com/hifitrends.com/wp-content/uploads/2021/05/SHANGLINGUA2_1_1024x1024-2.jpg?fit=800%2C533&ssl=1)
Shanling Audio UA2 Portable USB DAC AMP Review: This $85 Dac Amp Combo Has Jaw-Dropping Power and Sound! - HIFI Trends
![OKCSC USB Type C to Type C Cable, HiFi Portable High-End DAC/Headphone Amplifier DOC OTG Audio Adapter with Type C Male Output OKCSC USB Type C to Type C Cable, HiFi Portable High-End DAC/Headphone Amplifier DOC OTG Audio Adapter with Type C Male Output](https://ae01.alicdn.com/kf/Sc8395e1c6cc24684ac2db38faf3c7d32P/OKCSC-USB-Type-C-to-Type-C-Cable-HiFi-Portable-High-End-DAC-Headphone-Amplifier-DOC.jpg)
OKCSC USB Type C to Type C Cable, HiFi Portable High-End DAC/Headphone Amplifier DOC OTG Audio Adapter with Type C Male Output
![ADI-2 Pro FS | High-end USB Audio Converter & Headphone Amp - RME Audio | Interfaz de audio | Conversor | Preamplificadores ADI-2 Pro FS | High-end USB Audio Converter & Headphone Amp - RME Audio | Interfaz de audio | Conversor | Preamplificadores](https://www.rme-usa.com/files/uploads/RME-Products/Converter/ADI-2-ProFSr.png)