COMICA CVM-SPX-TC

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COMICA CVM-SPX-TC USB-C to 3.5mm Audio Adapter Instruction Manual

Model: CVM-SPX-TC

Product Overview

The COMICA CVM-SPX-TC is a USB-C to 3.5mm audio adapter designed to connect external microphones and headphones to USB Type-C smartphones and tablets. It supports both 3.5mm TRS and TRRS microphones and features real-time monitoring capabilities.

Key Features:

  • USB-C to 3.5mm Mic Adapter: Enables connection of video microphones, lavalier microphones, and other microphones to Android smartphones or tablets via USB-C.
  • Android Phone Compatibility: Universal compatibility with Samsung, Huawei, Google, and other USB Type-C smartphones, supporting both 3.5mm TRS and TRRS audio plugs.
  • Real-Time Monitoring: Equipped with a Mic/Phone monitor switch button, allowing users to monitor recording effects in real-time.
  • Clear Audio Transmission: Designed to maintain high audio quality during recording, enhancing video blogs and other audio capture.
COMICA CVM-SPX-TC adapter with Type-C interface and 3.5mm microphone port labeled.

Image: The COMICA CVM-SPX-TC adapter showing its USB Type-C connector and the 3.5mm microphone port, along with the Mic/Phone Audio Monitor Switch.

Setup Guide

  1. Connect to Smartphone: Insert the USB Type-C connector of the CVM-SPX-TC adapter into the USB-C port of your Android smartphone or tablet.
  2. Connect Microphone: Plug your 3.5mm TRS or TRRS microphone into the 3.5mm microphone port on the adapter.
  3. Connect Headphones (Optional): If real-time monitoring is desired, plug your 3.5mm headphones into the designated headphone jack on the adapter.
  4. Verify Connection: Ensure all connections are secure. The adapter may have an indicator light to confirm connection (refer to product for specific indicator behavior).
COMICA CVM-SPX-TC adapter connected to a smartphone, illustrating microphone jack compatibility for TRS and TRRS.

Image: The adapter connected to a smartphone, demonstrating compatibility with both TRS and TRRS microphone jacks. TS jacks are not supported.

Operating Instructions

Recording Audio:

  1. Launch Recording App: Open your preferred audio or video recording application on your smartphone. For Android systems, if the default video app does not work, try a third-party video application.
  2. Select Audio Input: In your recording app settings, ensure the external microphone (via USB-C) is selected as the audio input source.
  3. Start Recording: Begin your audio or video recording.

Real-Time Monitoring:

  • Connect Headphones: Ensure headphones are connected to the adapter's headphone jack.
  • Use Monitor Switch: The CVM-SPX-TC features a Mic/Phone monitor switch.
    • Switch to "Mic" position to monitor the audio input from your microphone.
    • Switch to "Phone" position to monitor the audio output from your phone (e.g., playback).
  • Adjust Volume: Adjust the monitoring volume through your smartphone's volume controls.
Person using the COMICA CVM-SPX-TC adapter to record video on a smartphone while monitoring audio with headphones.

Image: A user demonstrating real-time audio monitoring during video recording on a smartphone using the CVM-SPX-TC adapter and headphones.

Video: This video demonstrates the COMICA CVM-SPX-TC adapter, highlighting its use for simultaneous recording and listening. It clarifies that the product is for Samsung devices, not iPhones, and advises caution against bending the USB-C cable.

Care and Maintenance

  • Cleaning: Use a soft, dry cloth to clean the adapter. Avoid liquid cleaners or solvents.
  • Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures.
  • Cable Care: Avoid sharp bends or excessive pulling on the USB-C cable to prevent internal wire damage.
  • Connector Protection: Keep the USB-C and 3.5mm ports free from dust and debris. Use protective caps if available.

Troubleshooting

ProblemPossible CauseSolution
No audio input from microphone.
  • Incorrect microphone type (TS not supported).
  • Loose connection.
  • Microphone not powered (if required).
  • App settings not configured.
  • Ensure microphone is TRS or TRRS.
  • Check all cable connections are secure.
  • Verify microphone power source if applicable.
  • Select external microphone in recording app settings.
  • Try a third-party recording app if the default app fails.
No real-time monitoring.
  • Headphones not connected.
  • Monitor switch in wrong position.
  • Low phone volume.
  • Connect headphones to the adapter.
  • Ensure monitor switch is set to "Mic" or "Phone" as desired.
  • Increase smartphone volume.
Adapter not recognized by phone.
  • Loose USB-C connection.
  • Incompatible phone model (e.g., iPhone).
  • Damaged adapter or cable.
  • Reconnect the USB-C cable firmly.
  • Confirm your smartphone is a compatible Android device.
  • Test with another compatible device if possible.

Specifications

  • Model: CVM-SPX-TC
  • Connector Type: USB Type-C (Male) to 3.5mm (Female)
  • Compatibility: Android Smartphones and Tablets with USB Type-C port (e.g., Samsung, Huawei, Google). Supports 3.5mm TRS & TRRS microphones.
  • Functionality: Microphone input, headphone output, real-time monitoring (Mic/Phone switch).
  • Product Dimensions: 5.11 x 3.14 x 0.59 inches
  • Item Weight: 0.64 ounces
  • Manufacturer: COMICA

© 2026 COMICA. All rights reserved.

For further support, please visit the official COMICA website.

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