1.Multi-port sound card: The external sound card has its own audio chip, which can transfer one USB port to multiple 3.5mm ports, so it can connect 3.5mm audio devices such as headphones, headphones, speakers, microphones, etc.
eBay
1 pc 12 Inch Max Power 400 W 4 Ohm Auto Acoustic Subwoofer Rubber Edge Red Coating Injection Cone Car Audio Speaker Woofer
Aliexpress UK
1.Multi-port sound card: The external sound card has its own audio chip, which can transfer one USB port to multiple 3.5mm ports, so it can connect 3.5mm audio devices such as headphones, headphones, speakers, microphones, etc.
eBay
50W*2 High-power Audio Speaker D42 Fever Desktop Hifi Passive Bookshelf Speaker TV Surround Front Guide Wall-mounted Speaker
Aliexpress UK
USB Audio Adapter Sound Card with Stereo Headphone/Speaker and Mono Microphone Jacks External Convertor for PC Laptop Product Introduction. The USB virtual 7.1 channel sound adapter is a highly flexible audio interface which can be used either desktop or notebook system.
eBay
Original Remote Control ZN44640 For YAMAHA LSX-170 Desktop Audio Bluetooth Speaker
Aliexpress UK
Model: F998. F998 and BM800 Kit 1 X F998 Sound Card. 【Professional Audio Mixer】--16 kinds of fixed background special effects sound, 7 kinds of podcast & recording modes, 4 kinds of Voice changer modes, 4 kinds of special functions (Elimination/ Denoise/ Voice Over/ Internal Play), adds more fun to your podcasting and live streaming.
eBay
Sounderlink detachable Bluetooth TV Soundbar wireles speaker HiFi tower Audio home theater Sound bar optical HDMI for LED TV
Aliexpress UK
eBay
1 PC 4/5/6.5 Inch Car Coaxial Subwoofer Universal Automotive Bass Audio HiFi Music Full Range Frequency Car Stereo Speaker
Aliexpress UK
More than one card available, with slight differences in labels, passive components.
eBay
M17 cylinder K song wireless bluetooth speaker card outdoor portable audio radio subwoofer 3.5MM audio jack
Aliexpress UK
Output: 5.1 Channels+Fiber SPDIF. Truly supports 5.1 channels. Can connect to 5.1 speakers. 4 Ports (3 x 6 Pin and 1 x 4 Pin) PCI Ex1 to External IEEE 1349 Adapter Card. Playback and recording of full duplex audio streams without the need for a built-in PC sound card.
eBay
M17 cylinder K song wireless bluetooth speaker card outdoor portable audio radio subwoofer 3.5MM audio jack
Aliexpress UK
Universal Remote For Apple TV 4K/ Gen 1 2 3 4/ HD A1294 A1218 A1842 MP7P2 GL. Outputs: SPDIF out, Front out, Rear out, Cen/Bass out. Inputs: SPDIF in, Line in, Mic in. Portable Digital MP3 Music Player LCD Screen Support 32GB TF Card & FM Radio GL.
eBay
M17 cylinder K song wireless bluetooth speaker card outdoor portable audio radio subwoofer 3.5MM audio jack
Aliexpress UK