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Small gold-plated adapter with female BNC and male RCA ends

Monoprice Inc.

Monoprice Inc. 4127 BNC Female to RCA Male Adapter

SKU CH-06QE-Z1PAX MPN 4127

Converts a BNC female port to an RCA male plug for 75ohm signal transfer

  • Adapter typeAudio Video Distribution
  • Gold-plated contacts resist corrosion for reliable signal transfer
  • Female BNC to male RCA connects dissimilar coaxial equipment
  • Rated for 75ohm signals to maintain video integrity
  • Precision-machined connectors ensure secure, repeatable mating
  • Lifetime warranty from Monoprice backs the adapter

Signal adapter for 75ohm coaxial links

This Monoprice 4127 adapter converts a female BNC connection to a male RCA plug. It is built for users who need to join professional video or test equipment that uses BNC with consumer gear that uses RCA. Gold-plated contacts help maintain clean signal transfer across the joint.

Check connector gender and impedance match

Verify that the source device presents a male BNC port and the destination accepts a female RCA jack. Confirm both sides of the link are specified for 75ohm characteristic impedance so the adapter does not introduce a mismatch. No power or drivers are required for this passive component.

Passive gold-plated construction runs cool

The adapter contains no active electronics, so it generates no heat and produces no audible noise during operation. Power draw is zero because the device simply passes the signal through its gold-plated contacts. Normal use places no thermal or acoustic load on the surrounding equipment.

How it compares

Measured against everything we stock in Other Adapters & Couplers, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 90% of the 1,761 comparable items (median $18.99).

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Specifications

Product
Brand nameMonoprice
Model name104127
Part number104127
Adapter typeAudio Video Distribution
Size & build
Shipping weight0.23 kg
Package size102 × 76 × 13 mm

Questions about this item

Does the adapter come with any cables or additional connectors?

The product is a single BNC female to RCA male adapter. No cables or extra connectors are included in the package.

Is there a choice of impedance ratings for this model 4127?

This adapter is rated to transfer 75ohm signals. No other impedance versions are offered for this part number.

Will the gold-plated connectors on the 104127 maintain a clean 75ohm signal path in my video setup?

Yes, the gold-plated contacts are designed to provide secure connections and smoothly transfer 75ohm signals for video or RF applications.

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