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Sapphire blue USB to 3.5mm TRRS audio adapter, 1ft cable

RCA MUSB351F-30U USB to 3.5mm TRRS audio adapter Sapphire Blue 1ft

SKU CH-4V2G-7HF9Z

A USB-to-3.5 mm TRRS adapter that adds a headset port with 48 kHz stereo output at 84 dB, 1 ft cable, sapphire-blue metal housing

  • Adapter typeType
  • First connectorUsb
  • Second connectorUsb
  • Connector typeMale
  • Units per package1
  • Product typeUsb
  • Adds a 3.5mm TRRS combo jack for headset audio and mic via USB
  • 48 KHz sample rate and 84 dB signal-to-noise deliver clear stereo playback
  • Driver-free plug-and-play on Windows, macOS, Linux and Chrome OS
  • Sapphire-blue metal housing resists wear and corrosion in daily use
  • 1-foot cable and 1.77 × 0.79 inch dongle keep adjacent USB ports free

Compact USB audio adapter

The RCA MUSB351F-30U adds a 3.5 mm TRRS jack to any USB-A port. It handles stereo output and microphone input through a single combo socket. The 1-foot cable keeps the dongle clear of neighbouring ports on laptops, desktops or consoles. No drivers are required on Windows, macOS or Linux.

Works with TRRS headsets, not iOS gear

Gamers and remote workers using a 4-pole CTIA headset on PC, PS4 or PS5 get instant plug-and-play audio. Buyers needing an audio input for recording from a 3.5 mm source should look elsewhere because the USB port is output-only. The adapter is also incompatible with iOS headphones, TVs, amplifiers, car systems and PS3.

48 kHz / 84 dB stereo conversion

The built-in chipset delivers 48 kHz sampling at 84 decibels signal-to-noise ratio. That single figure tells you whether the adapter meets your quality threshold for voice chat or casual listening.

How it compares

Measured against everything we stock in Audio Jack & RCA Adapters, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 65% of the 1,324 comparable items (median $16.99).

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Specifications

Product
Brand nameRCA
Product lineMUSB351F-30U
Model nameMUSB351F-30U
Part numberPB-MUSB351F-30U-AU
Product typeUsb
Product colorWhite
Adapter typeType
Ports & slots
First connectorUsb
Second connectorUsb
Connector typeMale
Size & build
Product dimensions14.33 in W × 12.83 in H × 9.06 in D
Product weight0.018 kg
In the box
Units per package1
In the boxPVC, 1

Questions about this item

How do I install the MUSB351F-30U USB to 3.5mm TRRS adapter and what step do people often miss?

Plug the USB-A connector into the PC, PS4 or PS5 port; the OS will enumerate a C-Media USB Headset device automatically. The step many miss is opening Sound settings and selecting that device for both output and input so the TRRS headset microphone becomes active.

What maintenance or replacement will the MUSB351F-30U adapter need over time?

No scheduled maintenance is required; the unit is bus-powered with no battery or moving parts. If the PVC cable jacket or the 3.5 mm TRRS jack wears out after heavy plug cycles, the whole adapter is replaced as a single item.

What limit appears first when the MUSB351F-30U adapter runs continuously under load?

The built-in DAC is specified at 48 kHz sample rate and 84 dB signal-to-noise ratio; sustained use will hit that conversion ceiling before any thermal or power limit is reached.

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