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Compact metal adapter with belt clip and switches

JTS

JTS MA-500 Phantom Power Adapter for CM & CX Electret Microphones

SKU CH-1CGA-CE0BH

Phantom power adapter for CM and CX electret microphones with 10 dB attenuator, dual low-cut filters and metal body with belt clip

  • Powers CM and CX electret mics via phantom supply
  • 10 dB attenuator prevents overload on loud sources
  • Two switchable low-cut filters reduce rumble
  • Metal body with belt clip stays secure on talent
  • Operates from 12 V to 48 V phantom power

What it is and who it is for

The JTS MA-500 is a phantom power adapter built for CM and CX series electret microphones that use a 4-pole mini XLR connector. It supplies the voltage these capsules need from standard 12 V to 48 V phantom sources or the dedicated PS-1 supply. Streamers and content creators using compatible JTS lavalier or headset mics will find it a direct fit for their existing wiring. It does not serve microphones with different connector types or those that require plug-in power only.

Installation and common issues

Connection is straightforward: link the microphone to the adapter’s mini XLR input and run a standard XLR cable from the adapter to a mixer or interface providing phantom power. The metal body includes a belt clip for worn applications. The only switches are a 10 dB pad and two selectable low-cut filters; forgetting to engage the pad on loud sources can cause clipping, while leaving a low-cut filter active on quiet speech may thin the tone unintentionally.

Capacity and headroom

The adapter passes phantom voltages from 12 V up to 48 V, giving ample headroom for typical console and interface preamps. It handles the signal levels of CM and CX electret capsules cleanly when the attenuator is used for high-SPL sources. Without the pad, very loud vocals or instruments placed close to the capsule can overload the following preamp stage, so the 10 dB reduction is the practical ceiling for clean gain on dynamic material.

Highlights

  • Powers CM and CX electret mics via phantom supply
  • 10 dB attenuator prevents overload on loud sources
  • Two switchable low-cut filters reduce rumble
  • Metal body with belt clip stays secure on talent
  • Operates from 12 V to 48 V phantom power

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the JTS MA-500 is powering my CM or CX microphone correctly after connecting it to a phantom power source?

Connect the adapter to a 12V to 48V phantom power supply or the JTS PS-1, attach the microphone via the 4-pole mini XLR, and verify audio signal passes through; the 10 dB attenuator and low cut filters will function when engaged.

What comes with the JTS MA-500 and what must I purchase separately to use it with my CM or CX series microphone?

The MA-500 adapter with metal body and belt clip is included; you must supply a compatible CM or CX series electret microphone with 4-pole mini XLR and a phantom power source such as the JTS PS-1 or a mixer providing 12V to 48V phantom power.

Which version of the MA-500 should I choose for my CM or CX series electret microphone with a 4-pole mini XLR connector?

The MA-500 and MA-500E both support CM series and compatible CX series microphones using the 4-pole mini XLR connection; select the model that matches your specific microphone's series designation.

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