Stinger SI42YM 2-Channel 4000 Series 1 Female To 2 Male RCA Y-Adapter Cable

Stinger SI42YM 4000 Series RCA Y-Adapter, 1 Female to 2 Male (30cm)

Provides two male RCA outputs from one female RCA input OFC conductors, C3 Tech, Shoc-Krome split-tip connectors. 30cm, part of the 4000 Series range.

Product Overview

The Stinger SI42YM is a 4000 Series RCA Y-adapter that accepts one female RCA socket and provides two male RCA plugs. At 30cm, it is used to split a single female RCA input feeding a signal from one source into two separate amplifiers or devices, from the socket end rather than the plug end.

Built with OFC conductors, C3 Tech, Shoc-Krome plated split-tip connectors, and directional twisted-pair construction the same 4000 Series specification as the full RCA interconnect and SI42YF range.

Features & Benefits

• Provides two male RCA outputs from one female RCA input
• OFC conductors for excellent signal quality
• C3 Tech (Continuous Connection Construction) for unmatched signal transfer
• Shoc-Krome plated split-tip connectors
• Directional twisted-pair construction for interference rejection
• Colour-coded channel identification
• Moulded strain reliefs
• 30cm cable length

Technical Specs

Compatible With / Goes Well With

Direct Vehicle Fit:

• Universal — compatible with any standard female RCA socket

Goes Well With:

• Stinger 4000 Series RCA cables (SI429, SI4212, etc.)
• Stinger SI42YF (female Y-adapter — the complementary version)
• Car audio amplifiers and signal processors with RCA inputs
• Head units or processors with female RCA outputs requiring dual amplifier feed

Frequently Asked Questions

What is a 1-female to 2-male RCA Y-adapter used for?

The SI42YM accepts a female RCA socket — such as the output socket on a processor or the end of an RCA cable — and provides two male RCA plugs, allowing two amplifiers or devices to be connected from a single source. Common uses include splitting a processor output to feed two amplifiers, or duplicating a signal to two separate destinations.

What is the difference between the SI42YM and the SI42YF?

The SI42YM is 1× female to 2× male — it plugs into a female socket and provides two male plug outputs. The SI42YF is 1× male to 2× female — it presents a male plug and provides two female socket outputs. Use SI42YM when splitting from a female-terminated output; use SI42YF when splitting from a male-terminated cable end.

Does splitting the signal degrade audio quality?

Splitting an RCA signal introduces a small impedance change at the split point. In typical car audio applications with modern amplifiers, this is negligible. The 4000 Series construction minimises resistance and noise at the split.

Is the 30cm length sufficient?

At 30cm, the SI42YM is designed to sit at a connection point — not as an extension cable. For longer runs after the split, connect standard RCA cables to the two male plug outputs via female sockets on the receiving devices.

Is the SI42YM from the same range as the standard 4000 Series RCA cables?

Yes. The SI42YM uses the same OFC conductors, C3 Tech, Shoc-Krome split-tip connectors, and directional twisted-pair construction as the full 4000 Series RCA cable and adapter range.

Weight

0.074 kg