OSA K30

OSA Wireless Lavalier Microphone (Model K30)

User Manual

Introduction

Thank you for choosing the OSA Wireless Lavalier Microphone. This 3-in-1 system is designed for clear audio capture across various devices, including iOS, Android, cameras, and PCs. Featuring intelligent noise reduction, omnidirectional sound pickup, and a portable design, it is ideal for video recording, vlogging, live streaming, interviews, and online meetings. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance.

Package Contents

Please verify that all items are present in your package:

  • 2 x Microphone Transmitters
  • 1 x 3-in-1 Receiver (USB-C, Lightning, 3.5mm Jack)
  • 3 x Charging Cables
  • 1 x User Manual
  • 1 x Storage Bag
  • 1 x Storage Box
Contents of the OSA Wireless Lavalier Microphone package, including two microphones, one receiver, cables, and accessories.

Image: All components included in the OSA Wireless Lavalier Microphone kit.

Product Overview

The OSA Wireless Lavalier Microphone system consists of two compact microphone transmitters and a versatile 3-in-1 receiver.

OSA Wireless Lavalier Microphone kit showing two black microphones with furry wind muffs and a 3-in-1 receiver.

Image: The complete OSA Wireless Lavalier Microphone kit.

Close-up of an OSA wireless microphone transmitter with a furry wind muff and clip.

Image: Detail of a single microphone transmitter with its wind muff.

Close-up of the OSA 3-in-1 receiver, highlighting its USB-C, Lightning, and 3.5mm jack connectors.

Image: The 3-in-1 receiver, compatible with multiple device types.

Setup Guide

Universal Receiver Compatibility

The 3-in-1 receiver is designed for broad compatibility, supporting iOS devices (iPhone/iPad), Android smartphones and tablets, cameras, and PCs. It features USB-C, Lightning, and 3.5mm jack connectors.

Diagram showing the OSA 3-in-1 universal receiver connecting to iOS, Android, and camera/PC devices.

Image: Universal receiver compatibility with various devices.

Quick Start Steps

  1. Connect the Receiver: Select the appropriate adapter cable (USB-C, Lightning, or 3.5mm jack) on the receiver and plug it into your recording device (smartphone, camera, or PC).
  2. Power On Microphones: Press and hold the power button on both the receiver and the microphone transmitters for 3 seconds. The blue light on the receiver and the green light on the transmitters will illuminate, indicating they are powered on and attempting to pair.
  3. Start Recording: Once the green light on both the microphone and receiver remains solid, the devices are successfully connected. You can now open your recording application and begin capturing audio.
Hands plugging the OSA 3-in-1 receiver into an iPhone's Lightning port.

Image: Connecting the receiver to an iOS device.

Hands pressing the power button on an OSA microphone transmitter while the receiver is connected to a smartphone, indicating the pairing process.

Image: Powering on the microphone for pairing.

Video: This video demonstrates the unboxing, the 360-degree rotating clip, connecting the 3-in-1 receiver to various devices (3.5mm jack, USB-C, Lightning), and the simple plug-and-play pairing process for the microphones.

Operation

Intelligent Noise Reduction

The OSA microphone features an integrated smart chip and high-density sponge to effectively cancel out environmental noise. This intelligent noise reduction technology ensures crystal-clear audio, making your recordings sound professional even in noisy environments. Manual noise reduction is also available for enhanced control.

Graphic illustrating intelligent noise reduction with 'Before' and 'After' sound wave comparisons, highlighting the high-density sponge and built-in smart chip for clear sound.

Image: Visual representation of intelligent noise reduction in action.

Omnidirectional Sound Pickup

Equipped with a highly sensitive microphone, the OSA lavalier microphone offers 360-degree omnidirectional sound pickup. This ensures comprehensive audio capture from all directions, making it suitable for various recording situations without needing precise microphone placement.

Graphic showing 360-degree omnidirectional sound pickup with icons for high sensitivity and all-round recording.

Image: Illustration of 360-degree omnidirectional sound capture.

Wireless Transmission Range

The advanced 2.4 GHz transmission technology provides a stable wireless connection up to 65 feet (20 meters), ensuring ultra-low latency for real-time audio synchronization with video. This allows for flexible movement during recording without compromising audio quality.

Usage Scenarios

The OSA Wireless Lavalier Microphone is versatile and suitable for a wide range of applications:

  • Interviews: Capture clear dialogue from multiple speakers.
  • Vlogging & YouTube: Enhance audio quality for your video content.
  • TikTok & Live Streaming: Deliver professional-sounding broadcasts.
  • Online Meetings & Conferences: Ensure clear communication.
  • Podcasting: Record high-quality audio for your episodes.
Collage of people using the OSA wireless microphones in various settings, including interviews, vlogging, and TikTok content creation.

Image: Examples of the microphone in use across different scenarios.

Charging the Device

The microphone transmitters and receiver are equipped with rechargeable batteries. A full charge provides over 8 hours of working time, and a complete recharge takes approximately 80 minutes.

  1. Connect the provided charging cables to the charging ports on the microphone transmitters and the receiver.
  2. Plug the other end of the charging cables into a standard USB power source (e.g., wall adapter, computer USB port).
  3. The indicator light will show charging status (typically red for charging, off or green for fully charged).
Image showing the two OSA microphones and the 3-in-1 receiver being charged simultaneously using USB-C cables.

Image: Simultaneous charging of microphones and receiver.

Graphic illustrating over 8 hours of battery life for the OSA wireless microphone.

Image: Battery life indication.

Technical Specifications

FeatureSpecification
Model NumberK30
BrandOSA
Microphone Form FactorLavalier Microphone
Connectivity TechnologyWireless (2.4 GHz), USB, TRS 3.5 mm
Connector Type3.5 mm Jack, Lightning, USB-C
Compatible DevicesDigital Receiver, Smartphone, Camera, Tablet, PC
Polar PatternOmnidirectional
Signal-to-Noise Ratio65 dB
Power SourceBattery Powered
Working Time8+ Hours
Wireless RangeUp to 65 feet (20 meters)
Special FeaturesClip, Noise Reduction, Battery Indicator Light
Item Weight150 Grams
MaterialPlastic

Troubleshooting

If you encounter any issues with your OSA Wireless Lavalier Microphone, please refer to the following common solutions:

  • No Sound/Poor Audio Quality:
    • Ensure both the microphone transmitters and the receiver are fully charged and powered on.
    • Verify that the receiver is securely plugged into your recording device.
    • Check if the indicator lights on both devices are solid green, indicating a successful connection.
    • Confirm that your recording device's audio input settings are configured to use the external microphone. Some Android devices may require a third-party camera app (e.g., Open Camera) to recognize external microphones.
    • Move closer to the receiver to ensure you are within the 65-foot operating range.
    • Check for any obstructions or strong electromagnetic interference that might affect the wireless signal.
  • Connection Issues:
    • Turn off both the microphones and the receiver, then power them on again to re-initiate the pairing process.
    • Ensure the correct adapter (USB-C, Lightning, or 3.5mm) is used for your device.
  • Short Battery Life:
    • Ensure the devices are fully charged before use. Charging takes approximately 80 minutes.
    • Avoid extreme temperatures, which can affect battery performance.

Warranty and Customer Support

For warranty information, technical support, or any questions regarding your OSA Wireless Lavalier Microphone, please refer to the contact details provided with your purchase or visit the official OSA website. Our customer support team is available to assist you with any product-related inquiries.

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