
Closed
Posted
Paid on delivery
I'm seeking a skilled technician to repair my wireless microphone headset, which is not functioning. Issues: - No sound output - Malfunctioning on both microphone transmitter and receiver Troubleshooting already attempted: - Changed batteries - Checked all connections Ideal skills and experience: - Expertise in audio equipment repair - Experience with wireless microphone systems - Problem-solving skills for diagnosing sound issues Please provide a detailed bid with your experience and approach to fix this issue.
Project ID: 40743072
21 proposals
Remote project
Active 2 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
21 freelancers are bidding on average $447 USD for this job

Hi, I have experience in designing Circuits and can complete your project. I have expertise in the following: 1- Designing schematic and PCBA 2- Ordering the PCBA and getting boards manufactured. 3- Writing firmware for the PCBA to make sure everything works as expected. 4- I can also develop smartphone apps to communicate and control the hardware. If you wish we can discuss in chat. Thank you.
$500 USD in 7 days
7.4
7.4

Hi, I understand that the wireless microphone headset has no sound and that both the transmitter and receiver may be affected. Since you have already replaced the batteries and checked the connections, I would inspect the power supply, switches, audio input, cable, transmitter signal, receiver output, frequency settings, and internal circuit paths. I would test each part separately to find whether the fault is in the headset, transmitter, receiver, or their communication link, then repair or replace the faulty component where possible. My background in Electronics and Electrical Engineering supports careful fault finding, while Engineering and Troubleshooting help me work through the problem in a clear order. I will also check for interference, damaged sockets, loose solder joints, and receiver output problems before confirming the final sound test. What are the microphone and receiver model numbers, and what lights or indicators appear when both units are powered on? Please share the microphone model, receiver model, and any lights or indicators that appear when both units are powered on.
$750 USD in 13 days
6.9
6.9

⭐️⭐️⭐️⭐️⭐️ Hi, I’ve reviewed the problem and would approach this as a systematic transmitter/receiver diagnosis rather than replacing parts without identifying the fault. I can troubleshoot the system through: • Power rails and battery operation • Microphone/audio input path • Transmitter audio and RF section • Receiver RF and demodulation path • Receiver audio output and connectors • PCB connections, solder joints and damaged components Since both the transmitter and receiver are affected, I’d first determine whether the faults are independent or related, then isolate the defective stage before carrying out the repair. Please send the exact microphone system model, photos of the transmitter and receiver PCBs, and describe what the LEDs/display do when powered on. If available, the service manual or schematic would also help. Once I have those details, I can determine the most practical diagnostic and repair approach.
$500 USD in 7 days
5.8
5.8

Hi, I am an electronics engineer experienced in RF, analog audio, power-supply, and PCB-level troubleshooting, including wireless transmit/receive systems and low-level microphone signal paths. I have diagnosed multi-stage electronic failures by separating systems into 4 key areas—power, audio, RF, and control—and tracing faults down to component level using oscilloscope, DMM, signal injection, and RF measurements. Approach: ✅ I will first verify transmitter/receiver supply rails, current consumption, regulators, connectors, switches, and protection components to identify power-related faults. ✅ I will trace the microphone audio path from capsule/preamp through modulation and receiver demodulation to the final audio output, using signal injection and oscilloscope measurements. ✅ I will then check RF carrier generation, frequency synchronization, antenna paths, oscillators, and transmitter/receiver RF stages before identifying the failed component or repair action. Questions: ✅ What is the exact manufacturer/model of the wireless microphone system, and what operating frequency or frequency band does it use? ✅ Do the transmitter and receiver power indicators operate normally, and does the receiver show any RF/link indication when the transmitter is switched on? Best,
$500 USD in 7 days
5.4
5.4

Hello, I can troubleshoot and repair your wireless microphone headset by systematically diagnosing both the transmitter and receiver to locate the exact cause of the no-sound issue. My approach combines Electronics, Electrical Engineering, Troubleshooting, Technical Support, and Audio Engineering principles. I will inspect the power supply, PCB, connectors, audio input/output stages, RF transmission and reception, frequency/pairing configuration, and signal path. I’ll use systematic testing to isolate whether the fault is in the microphone capsule, transmitter, receiver, RF section, or audio circuitry. After identifying the faulty component or connection, I’ll repair or replace it and perform complete functional testing. My focus is reliable repair, clear communication, and avoiding unnecessary component replacement. I’m ready to begin immediately and provide practical technical updates throughout the process.
$250 USD in 7 days
4.6
4.6

Hi, Aashiq (Ash) here from Cape Town, South Africa. This project instantly caught my eye, so I had to reach out. I see you're looking for someone to repair your wireless microphone headset, specifically addressing the no sound output issue on both the transmitter and receiver. I understand how critical it is to have reliable audio equipment. I've worked extensively with audio equipment repair, helping clients get their systems back up and running efficiently. My experience includes diagnosing and fixing various sound issues, and I'm confident I can troubleshoot and resolve the problems with your microphone. If you'd like, I can share samples of successful repairs I've completed. Based on what you mentioned, here is how we would approach the project: - Conduct a thorough diagnostic on the transmitter and receiver - Identify the root cause of the sound issue - Implement necessary repairs or replacements - Test the system to ensure optimal performance You can expect clear communication throughout the process, ensuring a seamless solution tailored to your needs. Best Regards, Aashiq
$700 USD in 14 days
4.0
4.0

I am interested in working on your Wireless Microphone Repair project and can help diagnose and resolve issues affecting the microphone, transmitter, receiver, or related audio circuitry. I can systematically inspect the unit to identify faults such as intermittent audio, signal loss, noise, power problems, charging issues, damaged connectors, or wireless communication failures. I can handle detailed troubleshooting of the electronic and RF sections, including power supplies, batteries, PCB components, audio paths, connectors, switches, and antenna-related issues. I can use circuit diagrams, technical documentation, and appropriate test procedures to isolate defective components and determine whether repair, replacement, or component-level rework is required. I am detail-oriented and focused on restoring reliable performance while avoiding unnecessary component replacement. I will carefully review the microphone model, symptoms, previous repair history, and available documentation before starting, then provide clear findings and practical repair recommendations based on the actual fault.
$250 USD in 7 days
3.9
3.9

The no sound output on your wireless microphone headset means the signal chain is broken somewhere between the microphone capsule and the receiver's audio output. I'll start by using a multimeter to check power continuity to the microphone capsule and the transmitter's internal components, also I'll trace the audio path within the transmitter looking for shorts or opens. For the receiver, I'll inspect the audio output stage for damage and check the RF signal strength. If the transmitter power is good, I'll look at the capsule itself, this will mean disassembling it carefully. If the receiver is getting a strong RF signal but no audio, the issue is likely within the receiver's audio processing. I would assume the microphone capsule itself is the point of failure if the transmitter power is confirmed good and the receiver seems to be functioning. What is the make and model of the microphone system? 10 reviews on Freelancer at 5.0, everything delivered on time and on the agreed price so far. I need the make and model to order any necessary parts before I can begin the repair.
$390 USD in 21 days
0.0
0.0

Hello, With over 2 years of experience in Technical Support, I specialize in diagnosing and resolving audio equipment issues. I have a strong background in repairing wireless microphone systems, making me well-equipped to address the sound output problems on both the transmitter and receiver of your headset. I understand the urgency of getting your wireless microphone back in working order and am committed to providing a professional solution to resolve the issues you are facing. My focus is on creating practical AI solutions that streamline processes and enhance operational efficiency. Let's discuss your wireless microphone repair needs further to determine the best course of action. Please start the chat to explore how I can assist you effectively. Best regards
$250 USD in 7 days
0.0
0.0

Hello, I am an experienced Electronic Engineer specializing in Troubleshooting, Engineering, Electronics, Technical Support, Audio Engineering, Audio Editing, Electrical Engineering and Audio Production. I can handle the complete development process from schematic design and component selection to PCB layout, firmware integration, testing, and troubleshooting. I work with industry-standard tools such as Altium Designer, KiCad, EasyEDA, Proteus, and MATLAB to deliver reliable and production-ready solutions. My focus is always on accuracy, performance, manufacturability, and clear documentation throughout the project. I am ready to discuss your requirements and provide a high-quality engineering solution that meets your technical goals, budget, and timeline. Thanks.
$555 USD in 4 days
0.0
0.0

Addressing your wireless microphone's lack of sound output requires a focused diagnostic approach. Given that both the transmitter and receiver are malfunctioning despite changing batteries and checking connections, I would start by examining internal components for potential faults, such as faulty wiring or damaged circuits. My experience in audio equipment repair includes successfully diagnosing and fixing various wireless microphone systems. I understand the nuances of signal transmission and can identify issues beyond surface-level checks. As a first milestone, I propose a thorough inspection of the transmitter and receiver to isolate the problem, which will help streamline the repair process. Your microphone’s functionality is crucial, and my attention to detail will ensure a reliable solution. Let’s restore your audio equipment to optimal performance. Junaid
$350 USD in 7 days
0.0
0.0

It sounds frustrating to deal with a wireless microphone that just won't work. When sound issues arise, it can lead to missed opportunities and awkward moments. If the transmitter and receiver are both malfunctioning, it’s crucial to identify the root cause quickly. I would start by conducting a thorough diagnostic check. This means testing the components and connections to pinpoint exactly where the failure lies. Once identified, I would perform the necessary repairs or replacements, ensuring everything is set up correctly so you can get back to using your microphone without issue. Revisions are always part of my process, and I’ll make sure you’re completely satisfied with the results. I’d love to know more about the model of your microphone and if there are any other symptoms you’ve noticed. What’s your timeline for getting this fixed, and do you have any specific tools or equipment to work with?
$350 USD in 7 days
0.2
0.2

Hi, I can help diagnose and repair your wireless microphone headset system by troubleshooting both the transmitter and receiver sides. Since there is no sound output and both units are affected, I will first isolate whether the issue is related to power regulation, RF pairing/communication, audio signal path, microphone capsule, receiver output stage, or a common control fault. My repair approach includes: • Complete visual inspection and component-level diagnostics • Verification of power rails, battery circuits, and charging sections • Testing RF communication, frequency pairing, and signal integrity • Checking microphone input, preamp/audio processing, and output circuitry • Inspecting connectors, switches, solder joints, and possible component failures • Repair or replacement recommendations based on test results I have experience troubleshooting electronic audio devices, wireless systems, embedded hardware, and PCB-level faults. I use proper measurement equipment including multimeter, oscilloscope, and signal testing methods to identify the root cause rather than replacing parts unnecessarily. Please provide the microphone model, photos of the transmitter/receiver boards, and any previous failure details. I can then provide a more accurate repair plan and estimate. Best regards
$400 USD in 3 days
0.0
0.0

With my more than 20 years of experience in the music industry, I can confidently say that I am your go-to freelancer for this project. Over the years, I have honed my skills in audio engineering, editing and production and have vast experience working with various audio equipment, including wireless microphone systems. I understand the frustrations that come with malfunctioning gear and have developed excellent problem-solving skills to diagnose and fix such issues efficiently. Furthermore, being a sound creator and editor myself, I understand the nuances of good sound quality. A wireless microphone without sound output is utterly useless - there's no point in having one if it doesn't perform its function. My technical knowledge combined with a musician's perspective ensures that I don't just fix the problem, but also deliver the best sound quality possible. As someone who believes in delivering powerful, clear and modern sound productions while maintaining the essence of the musicians behind them, you can be assured that in my care your microphone will be handled with utmost expertise and attention to detail. Trust me to not only fix the issues but also improve upon its original capabilities so that it performs better for you going forward. So let's get started on this project, together we will make sure your microphone gets back on track and delivers fantastic audio quality!
$350 USD in 5 days
0.0
0.0

YOU ONLY NEED ONE DEVELOPER WHO GETS IT RIGHT THE FIRST TIME. HERE'S WHY I'M THAT DEVELOPER. I recently helped a client restore their audio equipment to perfect working condition, ensuring reliable sound quality and performance. I'd love to do the same for you and deliver a solution that performs flawlessly from day one. We can help you get your wireless microphone headset back to working order, making sure it functions seamlessly for your needs. I understand the importance of addressing issues like no sound output and troubleshooting both the transmitter and receiver effectively. With expertise in audio equipment repair and a proven track record, we have 75+ 5-star reviews on similar projects and rank in the top 1% among 75 million users. I'd love to chat about your project! The worst that can happen is you walk away with a free consultation. Regards, Aydon.
$400 USD in 7 days
0.0
0.0

Dear Client, Because both the transmitter and receiver appear faulty, I would not start by replacing random parts. The fastest route is to isolate the signal chain: microphone capsule/preamp → transmitter modulation/RF → receiver RF/demodulation → audio output. That identifies whether you have one common fault or two independent failures. I have 11+ years of electronics experience across 500+ assignments involving analog audio, RF-sensitive circuits, power supplies, PCB troubleshooting, component-level diagnostics and hardware repair. My approach: Power Rails → Audio Input → TX/RF Stage → RF Link → RX/Demodulation → Audio Output → Repair → Functional Test I would focus on supply rails, microphone bias, broken connectors/solder joints, oscillator/RF activity, pairing/frequency configuration, audio amplifier/output stage and any damaged components before recommending replacement. I can support board-level diagnosis, circuit tracing, component identification, repair strategy, solder/rework guidance and post-repair validation for clean, stable audio. Two important questions: 1. What exact microphone brand/model and operating frequency is it? 2. Do the transmitter and receiver power up normally and show any RF/link indication? Profile: https://www.freelancer.in/u/ElectronicsMust If you message me, I’ll tell you the first three measurements I would take to determine whether the failure is in the audio path or RF link. Kind Regards, Avi Gupta Quality is never an accident
$450 USD in 7 days
0.0
0.0

Hello, I have experience diagnosing and repairing low-voltage audio electronics and wireless microphone systems. I will test the headset, transmitter, and receiver separately to isolate whether the failure is in the microphone capsule, audio preamplifier, power supply, RF link, pairing or channel settings, receiver output stage, cable, or connector. My inspection will include checking battery contacts, switches, wiring, solder joints, corrosion, power rails, audio signal continuity, RF synchronization, and output level using a multimeter and known-good audio equipment. Once the fault is identified, I will explain the required repair and obtain approval before installing any replacement components. Afterward, I will verify clear sound, stable wireless operation, acceptable range, noise level, and battery current draw. The final price and turnaround time can be confirmed after the initial diagnosis, especially if proprietary RF components are required. Could you share the brand, exact model number, and photos of the headset, transmitter, and receiver? Best regards, Adam
$250 USD in 3 days
0.0
0.0

Columbus, United States
Payment method verified
Member since Sep 30, 2026
$2-8 USD / hour
₹3000-5000 INR
₹1500-12500 INR
₹12500-37500 INR
$10-30 USD
min $100000 USD
$250-750 USD
$250-750 USD
₹1500-12500 INR
$25-50 USD / hour
$30-250 USD
$30-250 USD
$250-750 USD
₹600-1500 INR
₹600-1500 INR
$15-25 CAD / hour
$10-30 CAD
₹600-1500 INR
$8-15 USD / hour
$250-750 USD