Output: 5.1 Channels+Fiber SPDIF. Playback and recording of full duplex audio streams without the need for a built-in PC sound card. Truly supports 5.1 channels. Can connect to 5.1 speakers. The sound card fiber output only supports a sampling rate of 48KHz, so DTS-CD is 44KH and requires conversion to listen.
eBay
Two available, both with the breakout cable as pictured.
eBay
Output: 5.1 Channels+Fiber SPDIF. Truly supports 5.1 channels. Can connect to 5.1 speakers. Playback and recording of full duplex audio streams without the need for a built-in PC sound card. Up to 48KHz sampling rate, supporting 32KHz/44KHz/48KHz digital recording function.
eBay
USB to 3.5mm mic & headphone adapter. 🎤 Microphone & Headphone Support. Separate mic & audio ports. This 5.1 USB to 3.5mm Audio Adapter adds a high-quality external sound card to your device, allowing you to connect headphones, headsets, and microphones via standard 3.5mm jacks.
eBay
With it you can get rid of PC power, turn off slow, power noise and so disturbed. 1 x HIFI Digital Sound Card I2S SPDIF Optical Fiber for Raspberry pi 3 2 model B. PCB board adopt gold plating process, wire arc (high-end HIFI DAC to adopt arc line), ensure better signal Continuity Impedance, reduce reflection and refraction of the signal.
eBay
2-in-1 (Mic&Earphone) 1, Microphone 1, Earphone 1. Microphone indicator: The light turns off when the microphone is muted（New and Old version update point, Old version: Red Light When Silence）.
eBay
Excellent condition Audiotrak Prodigy HD2 Advance internal sound card.Designed for high-fidelity audio, this card is famous for its exceptional sound quality and swappable OP-AMPs (Triple OP-AMP socket type), allowing you to customize your listening experience.Key Features:Audiophile Performance: High-quality DAC (AK4396) with 120dB dynamic range.Versatile Connectivity: Gold-plated RCA outputs, Optical digital output, and a dedicated Headphone amp.Condition: Very clean, looks like new. Comes in the original box (as pictured).Compatibility: This is a PCI interface card. Perfect for high-end legacy builds or dedicated music PCs.Resolution: Supports up to 24-bit / 192kHz digital output.Fast dispatch from the UK. Any questions, please feel free to ask!
eBay
Drivers and Sound Blaster Command software may need to be downloaded from Creative’s website. Hi-Res PCIe Gaming Sound Card & DAC. Sound BlasterX AE-5 Plus - Hi-res PCI-e Gaming Sound Card and DAC with RGB Lighting, Dolby Digital Live, and DTS Encoding - Creative Labs (UK).
eBay