🔊 USB Sound Card — Technical Specifications
📡 Connectivity
Interface: USB 2.0 / 3.0 (Type-A or Type-C)
Plug-and-play: Yes — works with Windows, macOS, Linux, and some Android devices
Compatibility: Laptops, desktops, gaming consoles (USB audio support)
🎧 Audio Support
Channels: Stereo (2.0) or up to 7.1 virtual surround (depends on model)
Sample rate: 44.1 kHz – 192 kHz (common models)
Bit depth: 16‑bit / 24‑bit
Audio formats: PCM stereo, Dolby Digital (virtual surround), DTS (model dependent)
🛠️ Features
Headphone output: 3.5 mm or 6.3 mm jack for high-quality audio
Microphone input: 3.5 mm jack (line-in or headset)
External DAC: Converts digital USB audio to analog output
Virtual surround: Enhances gaming, movies, or music experience
Compact design: Portable, lightweight, ideal for laptops and desktops
📏 Physical
Form factor: Small dongle or external box
Weight: ~20 g – 150 g depending on size
Connector: USB-A or USB-C plug with one or more 3.5 mm audio ports
⚡ Use Cases
Upgrade laptops or desktops without high-quality sound cards
Plug-and-play solution for gaming headsets, speakers, or microphones
Portable audio interface for music production, streaming, or recording
📊 Quick Summary Table
| Feature | Specification |
|---|---|
| Interface | USB 2.0 / 3.0 / Type-C |
| Channels | 2.0 stereo – 7.1 virtual surround |
| Sample rate | 44.1 kHz – 192 kHz |
| Bit depth | 16‑bit / 24‑bit |
| Inputs | 3.5 mm mic / line-in |
| Outputs | 3.5 mm stereo / headphone |
| OS compatibility | Windows, macOS, Linux |
| Form factor | Dongle or small external box |
