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Small black USB dongle with 3.5 mm jacks and LED light

Ruth's sister

Ruth's sister USB 7.1 Sound Card CM108 3.5mm Jacks

SKU CH-R2D4-8PCJB

An external USB audio adapter adds virtual 7.1 surround sound with 3.5 mm jacks for headphones and microphone

  • Virtual 7.1 surround sound from CM108 chip
  • 16 preset rhythm modes for audio variety
  • 23 sound-field presets tailor listening spaces
  • Plug-and-play USB replaces internal sound cards
  • Weighs only .02 kg for easy transport

Compact USB audio adapter

The Ruth's sister USB 7.1 Sound Card uses a CM108 chip to add virtual 7.1 channel audio through a single USB connection. It provides 3.5 mm jacks for headphones and a microphone, replacing a missing or faulty onboard audio port. Plug-and-play installation works on laptops and desktops without driver hassles.

Upgrade from basic onboard audio

This adapter suits users whose built-in sound has failed, lacks a microphone input, or produces noisy output. The jump is worth it when you need discrete headphone and speaker switching, 16 preset rhythm modes, or 23 sound-field presets for gaming and media. It also digitises analogue sources such as cassette or CD players for simple recording.

Check USB port and jack compatibility

Verify your system has a free USB Type-A port for the external dongle. Ensure your headset or speakers use standard 3.5 mm plugs matching the adapter's linear input and output jacks. No internal case space or extra power is required, but the device adds a small LED indicator and weighs 0.02 kg.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 91% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What USB port does the CM108 sound card plug into?

It uses a standard USB interface for external connection to a laptop or desktop.

Which driver step is often missed when setting up the 7.1 virtual surround?

The device is plug-and-play; the common mistake is skipping the control-panel selection of 7.1-channel output after Windows installs the generic driver.

When should the 3.5 mm jacks or cable be replaced on this adapter?

Replace them if the jack contacts become noisy, the cable sheath frays, or the 0.02 kg unit suffers physical damage from repeated insertion cycles.

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