6-Pin DIN Female to Dual RCA and BNC Audio Cable: What It Does

By Innov8 Wholesale Ltd | Published: 2026-10-31

Category: How-to Guides

Learn what a 6-pin DIN female to dual RCA and BNC audio cable does, how to connect it safely, and the key checkpoints to avoid common wiring mistakes.

Quick answer

Use a 6-pin DIN female to dual RCA and BNC breakout cable to connect legacy equipment with a 6-pin DIN male output to RCA or BNC audio inputs. Match each RCA plug to the correct left/right channel and confirm whether the BNC connector carries audio or another signal before powering on.

When a DIN female to RCA and BNC breakout makes sense

This cable is a problem-solver for older gear that uses a 6-pin DIN male output but needs to reach modern RCA or BNC inputs. The female DIN socket accepts the male plug from the source device, while the two RCA male plugs and one BNC male connector fan out to the destination equipment. That makes it useful for adapting a single multi-pin port to separate analogue audio channels and a BNC connection.

However, not every 6-pin DIN port follows the same pinout. Some manufacturers assign different signals to different pins, so the cable will only work as intended if the source device’s DIN output matches the cable’s internal wiring. Without a pinout diagram for both the device and the cable, you cannot be certain which signal reaches which plug. Treat the cable as a physical adapter first, and verify compatibility before relying on it for critical audio.

RCA and BNC are not interchangeable

The red and white RCA plugs are intended for right and left analogue audio channels when used with compatible equipment. The BNC connector is a different interface altogether—it may carry audio, video, or another signal depending on the source device. Do not assume the BNC output is audio just because the cable is sold as an audio breakout. Check the source device’s manual or labelling to confirm what the BNC port actually sends.

If the BNC port on your equipment is not an audio output, connecting it to an audio input could produce noise, silence, or no useful signal. In that case, leave the BNC plug unconnected and use only the RCA plugs for audio.

Step-by-step setup for a 6-pin DIN breakout cable

Confirm the source port type: Check that your source device has a 6-pin DIN male output, not a 5-pin or other DIN variant. The cable’s female socket only accepts a 6-pin male plug. If the source has a different pin count, this cable will not fit—do not force it.
Verify the pinout: Find the pinout diagram for your source device and compare it with the cable’s wiring if available. Look for which pins carry left audio, right audio, and the BNC signal. Without a confirmed pinout, test at low volume first to avoid sending a wrong signal to speakers.
Connect the DIN female socket to the source: Align the plug’s keyway with the socket and push gently until seated. Do not twist or force the connector. A partially inserted DIN plug can cause intermittent channel dropouts—check it is fully home.
Plug the RCA connectors into the destination: Match the red plug to the right channel input and the white plug to the left channel input on your amplifier, mixer, or interface. Reversing left and right will swap stereo channels—verify with a known test track.
Decide whether to use the BNC connector: Only connect the BNC plug if the destination device expects a BNC signal from that source and you have confirmed the signal type. Otherwise, leave it unconnected. An unused BNC plug can be left floating; it does not need to be terminated unless your equipment manual says so.
Power on and test at low volume: Start with the destination volume low, then gradually raise it while playing a familiar track. Listen for hum, distortion, or missing channels. If a channel is silent, power off and recheck the RCA colour matching and DIN seating before assuming a fault.

Product facts

6-Pin DIN Female to Dual RCA Male and BNC Male Audio Cable 0.5m: 6-pin DIN female socket at one end; two colour-coded RCA male plugs and one BNC male connector at the other; 0.5 m length. The short 0.5 m length keeps the breakout close to your equipment, which reduces cable clutter but may require the source and destination to sit near each other.
6-Pin DIN Female to Dual RCA Male and BNC Male Audio Cable 0.5m