Round-up of small, battery USB DAC/Amp/Bluetooth receiver devices | Audio Science Review (ASR) Forum
![InLine® USB Headset Amplifier with Equalizer and Optical OUT | Headphone-Amplifier | Input / Output | Product Overview | INTOS ELECTRONIC AG - Online Store InLine® USB Headset Amplifier with Equalizer and Optical OUT | Headphone-Amplifier | Input / Output | Product Overview | INTOS ELECTRONIC AG - Online Store](https://en.intos.de/media/image/0_13493_0.jpg)
InLine® USB Headset Amplifier with Equalizer and Optical OUT | Headphone-Amplifier | Input / Output | Product Overview | INTOS ELECTRONIC AG - Online Store
![InLine® USB Audio Soundkarte, Aluminium Gehäuse |Audiokonverter | Adapter / Konverter | Produkte | www.inline-info.com InLine® USB Audio Soundkarte, Aluminium Gehäuse |Audiokonverter | Adapter / Konverter | Produkte | www.inline-info.com](https://www.inline-info.com/media/image/39/17/30/33051S1_1280x1280@2x.jpg)
InLine® USB Audio Soundkarte, Aluminium Gehäuse |Audiokonverter | Adapter / Konverter | Produkte | www.inline-info.com
![InLine® Mini USB-C 96KHz Hi-Res Audio Adapter mit PD, USB-C zu 3,5mm Buchse + USB-C Buchse |Audiokonverter | Adapter / Konverter | Produkte | www.inline -info.com InLine® Mini USB-C 96KHz Hi-Res Audio Adapter mit PD, USB-C zu 3,5mm Buchse + USB-C Buchse |Audiokonverter | Adapter / Konverter | Produkte | www.inline -info.com](https://www.inline-info.com/media/image/76/95/5e/33054B_1280x1280@2x.jpg)
InLine® Mini USB-C 96KHz Hi-Res Audio Adapter mit PD, USB-C zu 3,5mm Buchse + USB-C Buchse |Audiokonverter | Adapter / Konverter | Produkte | www.inline -info.com
![Amazon.com: Portable USB DSD 192 KHz / 24bit DAC and Headphone Amplifier – DSD64 DSD128. Use with Smartphones/Digital Audio Players/Tablets/Laptops SD-DAC63057 : Electronics Amazon.com: Portable USB DSD 192 KHz / 24bit DAC and Headphone Amplifier – DSD64 DSD128. Use with Smartphones/Digital Audio Players/Tablets/Laptops SD-DAC63057 : Electronics](https://m.media-amazon.com/images/I/81D0pQu3g-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Portable USB DSD 192 KHz / 24bit DAC and Headphone Amplifier – DSD64 DSD128. Use with Smartphones/Digital Audio Players/Tablets/Laptops SD-DAC63057 : Electronics
![384 kHz / 32 bit DSD USB audio DAC | Audio | USB 2.0 | Adapter | Notebook & Computer | 2direct English 384 kHz / 32 bit DSD USB audio DAC | Audio | USB 2.0 | Adapter | Notebook & Computer | 2direct English](https://www.2direct.de/media/image/a4/dc/52/UA0271.jpg)
384 kHz / 32 bit DSD USB audio DAC | Audio | USB 2.0 | Adapter | Notebook & Computer | 2direct English
![Amazon.com: meatanty USB Multimedia Control Knob Inline Volume Controller with Dual 3.5mm Audio Input/Output Ports, One-Key Mute and 3 Volume Control Modes Alumni Amazon.com: meatanty USB Multimedia Control Knob Inline Volume Controller with Dual 3.5mm Audio Input/Output Ports, One-Key Mute and 3 Volume Control Modes Alumni](https://m.media-amazon.com/images/I/61Fu1PGs+nL.jpg)
Amazon.com: meatanty USB Multimedia Control Knob Inline Volume Controller with Dual 3.5mm Audio Input/Output Ports, One-Key Mute and 3 Volume Control Modes Alumni
![Amazon.com: AudioQuest DragonFly Black v1.5 Plug-in USB DAC + Preamp + Headphone Amp : Industrial & Scientific Amazon.com: AudioQuest DragonFly Black v1.5 Plug-in USB DAC + Preamp + Headphone Amp : Industrial & Scientific](https://m.media-amazon.com/images/I/41hds1-xW2L.jpg)
Amazon.com: AudioQuest DragonFly Black v1.5 Plug-in USB DAC + Preamp + Headphone Amp : Industrial & Scientific
![Sound Blaster PLAY! 4 - Portable Plug-and-play Hi-res USB DAC with Auto Mute and Two-way Noise Cancellation via SmartComms Kit for Conference Calls - Creative Labs (United States) Sound Blaster PLAY! 4 - Portable Plug-and-play Hi-res USB DAC with Auto Mute and Two-way Noise Cancellation via SmartComms Kit for Conference Calls - Creative Labs (United States)](https://d287ku8w5owj51.cloudfront.net/images/products/hero/sound-blaster-play-4/01-hero-sbplay4-828.jpg?width=750)
Sound Blaster PLAY! 4 - Portable Plug-and-play Hi-res USB DAC with Auto Mute and Two-way Noise Cancellation via SmartComms Kit for Conference Calls - Creative Labs (United States)
![Usb C 3.5mm Adapter Dac | Converter Type C Audio Dac | Adapter Type C Audio Dac - Usb C - Aliexpress Usb C 3.5mm Adapter Dac | Converter Type C Audio Dac | Adapter Type C Audio Dac - Usb C - Aliexpress](https://ae01.alicdn.com/kf/He17f7be3cc874e9fa535ed5a431c89e75/USB-C-Jack-DAC-Type-C-to-3-5mm-HiFi-USB-Audio-Amp-Portable-Dongle-Headphone.jpg_640x640.jpg)
Usb C 3.5mm Adapter Dac | Converter Type C Audio Dac | Adapter Type C Audio Dac - Usb C - Aliexpress
![Intos präsentiert IFA-Neuheiten Röhren-Vorverstärker Amp-USB EQ und kabellose KFZ-Ladehalterung One Touch Qi - Notebookcheck.com News Intos präsentiert IFA-Neuheiten Röhren-Vorverstärker Amp-USB EQ und kabellose KFZ-Ladehalterung One Touch Qi - Notebookcheck.com News](https://www.notebookcheck.com/fileadmin/Notebooks/News/_nc3/InLine_Roehren_AmbUSB_EQ_leuchtendeR%C3%B6hre_01.jpg)