Karaoke Amplifier Has Boiling, Humming, Hissing and Effective Ways to Fix It

In the modern entertainment world, karaoke has become an indispensable part of parties, family events and bars. To get a great sound experience, karaoke amplifier plays an important role in amplifying sound from microphones and background music. However, during use, users often encounter problems such as noise, distortion, and howling.

According to a survey from the Audio Engineering Society (AES), about 25% of karaoke amplifier users reported experiencing at least one of these problems during their use.

These phenomena are not only annoying but also affect the sound quality, reducing the experience of the participants. A study shows that the sound distortion can reduce the clarity by up to 30%, while the howling sound can make the singer lose focus. Therefore, it is extremely necessary to understand the causes and solutions to problems related to karaoke amplifiers.

This article will give you insight into the causes of common karaoke amplifier problems, as well as effective remedies to ensure that your karaoke experience is always perfect.

Karaoke Amplifier Boils

Reason

when the karaoke amplifier is boiling, usually due to overload or audio interference.

How to fix

To fix this, you can follow these steps:

• Check input: Check the connection wires between the source (such as CD player, turntable...) and the amplifier, make sure they are plugged in tightly.
• Check the input signal: If the amplifier is connected to multiple audio sources, try disconnecting the audio sources one by one to find the source of the problem.
• Check the parameters: Check the amplifier parameters such as volume, bass, treble, balance, fade... to see if they are at the appropriate level.
• Check for audio interference: Audio noise can cause the amplifier to boil. To check, you can change the position of the audio connection wires, making sure they are not folded or intertwined.
• Replacement parts: If the above steps do not help to fix the problem, you should take the amplifier to a repair center to replace damaged components or perform general maintenance to ensure the amplifier works better.

Karaoke Amplifier Has Noise

Reason

Amplifier distortion can have many causes, below are some of the main causes leading to the problem. Karaoke amplifier is distorted:

•  Wrong Volume Adjustment: When the volume is adjusted too high, the amplifier will be distorted or make noise. This can happen when using incompatible speakers or the amplifier does not have enough power for the speakers.
• Loose or damaged speaker wire: If the speaker wire is loose or damaged, the amplifier will not produce good sound. This can cause distortion or noise.
• The components inside the amplifier are damaged.: If the components inside the amplifier are damaged, the amplifier may be noisy or buzzing.

How to fix

To fix the problem of amplifier noise, you can do the following:

• Check and adjust the Volume to suit the speaker.
• Check and replace speaker wire if necessary.
• Check and repair internal amplifier components if necessary.
• If the problem persists, you can contact amplifier repair experts for support and problem solving.

Karaoke Amplifier Howling

Reason

 Karaoke amplifier howling Often due to many different causes, including:

• Overuse: When using a karaoke amplifier with a power greater than the speaker, speaker wire or microphone, it can cause the amplifier to howl.
• Poor quality signal wire: Poor quality signal wires or signals that are too far from the amplifier can also cause howling.
• Amplifier error: If the amplifier is not working properly or has any faults, it can also cause howling.
• Improper sound amplification: If the audio amplifier is not configured properly, the amplifier can also experience feedback.

How to fix

• Step 1: Turn the volume knob of the MUSIC section to the lowest level, and plug the microphone into the correct position.
• Step 2: Adjust the MASTER volume knob and MIC volume knob along with all potentiometers such as BALANCE, ECHO, LO, MID, HI, DLY, RPT, to the middle line - Normal position.
• Step 3: Turn on the karaoke amplifier to test the microphone sound. At this time, depending on the space of the singing room, we will change to ECHO, DLY or RPT accordingly. Change by turning the corresponding knob from the middle position to the left or right 10 to 15 degrees until the voice from the microphone is not too loud and not too echoing.
• Step 4: For those who want warmer voices, turn the LO (bass) volume knob of the Microphone to the left about 10-90 degrees, for those who want a clearer high voice, turn the MID volume of the Microphone from 10-45 degrees. Note that DO NOT ABUSE increasing the MID and HI to the maximum because it will cause screeching sounds.
• Step 5: Adjust the Music volume so that the music volume does not exceed the adjusted Microphone volume. If there is a howling sound, immediately adjust the HI knob of the total volume to the left from 10 - 90 degrees.

Understanding the causes and how to fix problems related to karaoke amplifiers will help you maintain the best sound quality for your system.

Always pay attention to regular maintenance and use high-quality equipment to avoid unexpected problems. If you still have difficulty in troubleshooting, seek repair experts for timely support.

FAQ – Frequently Asked Questions

Does a boiling karaoke amplifier affect the sound quality?

A boiling karaoke amplifier is not only annoying but also reduces the overall sound quality. According to research, this phenomenon can reduce the clarity of the sound by up to 30%, affecting the listener's experience.

How to check speaker wire condition?

To test your speaker wire, you can use a 1.5V battery. Connect one end of the speaker wire to the battery and if the speaker makes a sound, the wire is fine. If there is no sound, the speaker wire may be bad and needs to be replaced.

Is there any way to prevent amplifier feedback?

To prevent feedback, make sure the microphone is not pointed directly at the speaker and set the ECHO and REVERB knobs to low levels when starting out. Additionally, using high-quality signal cables also helps to minimize this phenomenon.

How often should karaoke amplifiers be maintained?

As recommended by audio experts, you should do karaoke amplifier maintenance at least once a year to ensure stable operation of the equipment and prolong its life. Regular maintenance can help detect potential problems early.

Is it necessary to use a dedicated amplifier for karaoke?

Yes, the use amplifier for karaoke are important because they are designed to handle audio signals from microphones and background music more efficiently. These amplifiers typically feature better tone control and more powerful amplification than conventional amplifiers.

Should digital amplifiers be used in karaoke systems?

Yes, you should use a digital amplifier in your karaoke system. Digital amplifiers offer many advantages over analog amplifiers, including:

• Better sound quality: Digital amplifiers provide detailed and powerful sound thanks to digital signal processing capabilities. Studies show that digital amplifiers can reduce noise by up to 90% compared to mechanical amplifiers.
• Anti-howling ability: Many digital amplifiers are integrated with automatic anti-feedback technology, which helps reduce howling when singing near speakers.
• Flexible customization: Users can easily adjust audio parameters such as frequency, echo and reverb effects via software or direct interface on the device.
• Diverse connections: Digital amplifiers often support many modern connection ports such as Bluetooth, USB and HDMI, making it easy to connect to other devices.

With these benefits, digital amplifiers are the ideal choice for those who want to enhance their karaoke experience. See details of these Advantages of digital amplifiers in karaoke systems.

Where to buy genuine amplifiers at good prices in HCM?

Phuc Truong Audio (PTG) was established in August 8 and quickly affirmed its position in the audio equipment market. With more than 2020 customers and more than 3000 successful karaoke audio projects, PTG has built a solid reputation in the hearts of customers. The company specializes in providing comprehensive audio solutions for all entertainment spaces, from families to large businesses.

Phuc Truong Audio not only provides amplifier but also many other audio devices such as: loa, mix, microphone and the genuine karaoke system. 

Reasons you should choose Phuc Truong Audio:

• Product quality: All products are quality tested before reaching customers.
• Customer service: Dedicated staff, ready to support consulting and installation.
• Competitive price: Committed to providing the best price on the market while still ensuring quality.

If you are looking for a reputable address to buy genuine karaoke amplifiers in Ho Chi Minh City, come to Phuc Truong Audio to experience the best service and products!