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Monoprice 7189 3.5mm to 2 RCA Stereo Adapter — main product image
Monoprice

Monoprice 7189 3.5mm to 2 RCA Stereo Adapter

★★★★★3.9 (3 reviews)

A compact gold-plated 3.5mm to dual RCA adapter for quick, reliable stereo audio connections.

$9.42*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Monoprice 7189 is a passive stereo adapter that converts a single 3.5mm (1/8-inch) stereo headphone-style plug into two RCA jacks, allowing you to connect devices with a 3.5mm output — such as smartphones, laptops, tablets, or portable audio players — to equipment with RCA inputs like home stereo receivers, powered speakers, or mixing boards. The adapter splits the left and right stereo channels from the 3.5mm plug into separate RCA connections, preserving the stereo signal path without any active circuitry or signal processing.

Gold plating on all three contact surfaces — the 3.5mm plug and both RCA jacks — provides resistance to oxidation and corrosion, which helps maintain clean electrical contact and consistent audio quality over time. Because this is a compact adapter rather than a cable, it plugs directly into the source device with the two RCA jacks sitting immediately adjacent. This makes it ideal for setups where the source device is close to the receiver or where you already have RCA cables of the desired length. For longer runs, simply connect standard RCA cables from the adapter's jacks to your destination equipment.

Specifications

Connector 1
3.5mm Stereo Plug
Connector 2
2x RCA Jacks
Plating
Gold
Type
Splitter Adapter
Signal
Analog Stereo Audio

Pros & Cons

👍 Pros

  • Gold-plated connectors provide reliable signal transfer and long-term corrosion resistance
  • Compact plug-style design adds minimal bulk to the connected device
  • Simple passive adapter requires no power or drivers
  • Low-cost solution for bridging 3.5mm and RCA audio equipment

👎 Cons

  • No cable length means separate RCA cables are required to reach destination equipment
  • The rigid adapter body can place stress on a device's 3.5mm jack if bumped or moved
  • Carries analog stereo audio only — no digital, balanced, or video signal support

Frequently Asked Questions

Yes, the 3.5mm stereo plug carries both left and right channels, and the two RCA jacks separate them into individual left and right outputs.
This is a compact plug-style adapter, not a cable. The 3.5mm plug connects directly to your device, and the two RCA jacks sit right at the other end with no cable length in between. You will need separate RCA cables to reach your destination equipment.
Gold plating on the connectors resists corrosion and oxidation over time, maintaining a clean electrical contact for consistent signal quality, especially in humid environments.
Yes, that is exactly the use case it is designed for. Plug the 3.5mm end into your device's headphone output and connect RCA cables from the two jacks to your receiver's RCA inputs.
No, this is a stereo audio-only adapter. The 3.5mm stereo plug and RCA jacks carry analog audio signals only.

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