Column Karaoke System

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Nowadays, user demand is increasing, in order to meet that demand, audio brands have launched new products, especially column array speakers, designed to bring users a high-quality sound experience. Column karaoke systems are often suitable for those who love karaoke activities at home or in karaoke bars with limited space.

What is Column Array Karaoke System?

The Column Array Karaoke System is a karaoke speaker system with a unique design with small speakers arranged in a vertical line, helping to optimize the distribution of sound in a large space. The Line Array technology in this system not only improves sound quality but also minimizes distortion or echo, which is especially important in spaces with many obstacles or crowded people.

Outstanding advantages of Column Array karaoke system

Column Array karaoke system brings remarkable benefits thanks to the integration of advanced sound technology, modern design and flexible application. Here are the outstanding advantages:

• Superior sound quality: The column-shaped design system helps the sound cover the entire space, limiting "dead spots" of sound. The wide frequency range reproduces detailed sound from deep bass to high treble with a frequency response of 20Hz-20kHz. DSP (Digital Signal Processing) technology eliminates distortion and automatically adjusts the sound based on the usage environment.
• Compact and aesthetic design: The slim column system easily blends into many spaces such as home, karaoke room or hall. Does not take up much space but still ensures high sound performance. With light weight (10-20kg), the product is suitable for both home users and mobile events.
• Flexible connectivity: A variety of Bluetooth, USB, Optical, and XLR ports allow quick connection to phones, computers, TVs, or musical instruments. The Column Array karaoke system can be easily paired with other audio devices, from mixers to wireless microphones.
• Optimal performance in any space: Suitable for small and large spaces from family living rooms (20-50m²) to large halls or stages (100m² or more). Reduces energy consumption with efficient Class-D amplifier technology, saving 30% more electricity than traditional systems.
• Long term investment value: Long life for durable components, designed to operate reliably for many years. Simple construction makes cleaning and replacing components easy.

Structure and operating principle of Column Array karaoke system

1. Detailed structure of Column Array karaoke system

1.1. Column Array Speaker 

LoA Column Array is an important component in professional sound systems, especially in karaoke systems or large performances. Below are some outstanding features of Column Array speakers, making them an outstanding sound solution for large spaces and requiring even sound dispersion. Column Array speakers use technology line array, a special structure in which the speakers are arranged vertically, with about 4 to 12 small speakers in each column. This structure helps the sound to be evenly distributed in a large space without losing intensity as the sound moves away from the source. Principle of acoustic wave intervention is an important factor that helps Column Array speakers achieve this effect. The sound waves from the small speakers combine to form in-phase sound waves, which helps Enhanced sound uniformity , and avoid sound loss in distant areas. This structure not only radiates sound forward, but can also concentrate sound energy vertically, providing powerful and stable sound even in high spaces, such as auditoriums or large stages. Column Array speakers are made from materials High Quality, helps optimize sound and increase durability. Aluminum alloy , and polymer are the main materials used to make speaker housings, helping the speakers to be light in weight but still ensuring durability and high load-bearing capacity. In addition, Kevlar speaker cone or carbon fiber is the key factor in reproducing mid and high frequencies accurately and clearly. These materials not only minimize distortion but also enhance the speaker's response and durability over a long period of use. Column Array speakers have a capacity of 150W to over 1000W, allowing them to serve different spaces from family karaoke rooms to halls and music events. High capacity allows the speakers to emit powerful sound without distortion, providing a vivid and realistic sound experience. High speaker power is also an important factor that helps speakers operate effectively in large-space environments, such as stages or halls, where even sound distribution is required and no loss of quality in areas far from the source.

1.2. Subwoofer supports bass range

A subwoofer is a speaker designed to handle bass, especially low frequencies from 20Hz to 200Hz, is an important part that creates a strong bass effect in the sound. Subwoofer can be integrated type in the speaker system or independence (separate), depending on the user's requirements and space. When integrated into the system, they support the main speakers by enhancing the low frequency range, while standalone subwoofers are used in large sound systems or professional performances where strong and deep bass is required. Some subwoofer lines use Bass Reflex technology , and Passive Radiator To optimize bass reproduction:

• Bass Reflex is a vented system that amplifies bass, helping to reduce noise and Enhanced bass performance at low frequencies.
• Passive Radiator is a technology that uses a passive speaker membrane that is not powered but can still produce sound through the vibration of air inside the speaker cabinet, contributing to Enhanced bass performance without consuming too much power.

Subwoofers usually have a power of 200W to 600W, or even higher in professional sound systems. This large capacity allows the subwoofer to powerful sound processing without distortion, especially when playing dynamic music or vocals with deep bass. High power not only helps the subwoofer maintain its power, but also helps it reproduce bass clearly and accurately, bringing a lively sound feeling. High power subwoofer system, especially in environments such as Hall, outdoor music event, or high-end karaoke systems, help create a powerful and consistent sound space. Bass sounds will not lose intensity or become distorted when used at high intensities.

1.3. Digital Signal Processor (DSP)

Digital reverb (DSP) in the Column Array karaoke system plays an important role in processing audio signals, helping fine-tune and optimize sound quality. DSP not only supports equalization (EQ) but also performs many other complex tasks such as sound compression (compression), anti howling (feedback suppression), and automatic space correction (auto room calibration). DSP allows users to adjust the audio frequency, helping to create a sound range suitable for each space or personal preference. By adjusting the low frequency (bass), mid frequency (mid) and high frequency (treble), DSP ensures that the sound is not distorted, providing clarity and naturalness. One of the common problems in karaoke systems is the phenomenon of howling, especially when the microphone and speaker are close together. DSP helps anti howling effective, identifies howling frequencies and automatically reduces the volume at those frequencies, helping users enjoy sound without interruption. Some high-end product lines such as Bose L1 Pro16 Use DSP to process audio according to real time, providing the ability reduce latency , and improve listener experience. This technology helps ensure that sound is delivered instantly without delay, which is especially important during live performances or karaoke sets.

1.4. Wireless microphone

Wireless microphones use frequency bands UHF (Ultra High Frequency) and VHF (Very High Frequency) to transmit audio signals without cables. Modern microphones are often equipped with this feature. automatic frequency detection, help ensure stable signal and avoid interference from other devices. This is important in karaoke systems or large events where there may be many electronic devices operating at the same time, causing signal interference.

• UHF , and VHF These are all frequency bands that can penetrate obstacles well, helping the microphone maintain a stable signal even when there are obstacles such as walls or rows of chairs in the space.
• Automatic frequency detection Helps the microphone automatically select unused frequencies, minimizing interference and frequency overlap, and saving device configuration time.

High-end wireless microphones, such as those from JBL, using technology Cardioid Polar Pattern, help effective recording only from the direction the user pronounces, and at the same time reduce noise from surrounding environment. This technology helps produce clear and precise sound quality, avoiding echo or noise from unwanted sources. Cardioid Polar Pattern is a unidirectional pickup pattern, which allows the microphone to only pick up sound from the front, reducing noise from behind and sides. This is especially useful when used in high noise environments or when the user needs to move while singing. Wireless microphones are also equipped with technology anti-howling, helps eliminate the frequencies that cause the phenomenon Howling when the microphone is too close to the speaker or when the volume is turned up too high. This system identifies the frequency that causes the howling phenomenon and auto adjust or reduce the volume level at those frequencies, resulting in a smooth and pleasant audio experience.

Working principle of Column Array karaoke system

2.1. Line Array effect in audio

Effect line array is an advanced audio technology widely used in modern audio systems, especially in systems karaoke , and Hall. This technology is based on the principle of using speakers arranged in a long strip or vertical row, helping more even sound distribution in large spaces without experiencing sound attenuation at a distance.

• Principle of sound dispersion: Line Array speakers create in-phase sound waves over a large range. This allows sound to travel further without loss of intensity, which is especially effective in large spaces.
• Control the angle of pronunciation: The speaker emits sound with a wide horizontal angle (120° - 180°) and a narrow vertical angle (30° - 60°), helping to focus sound energy to the listener, reducing sound reflection from the ceiling and floor.

2.2. DSP technology integration

Technology DSP (Digital Signal Processor) increasingly becoming an indispensable part of modern sound systems, especially in Column Array karaoke system. DSP uses advanced digital signal processing algorithms to optimize sound quality, providing a smooth, clear and vivid listening experience.

• Advanced digital signal processing: DSP analyzes and adjusts input audio in real time, ensuring balanced and vivid sound. For example, technology Adaptive EQ Automatically adjusts tone based on usage environment.
• Eliminate distortion and noise: DSP uses anti-howling and noise filtering algorithms to improve sound quality, especially important when singing karaoke with a wireless microphone.

2.3. Optimize the combination of speakers and subwoofers

To optimize the performance of a sound system, the correct combination of speakers (main speakers) and subwoofers is very important. This coordination not only affects the sound quality but also determines the balance between frequency bands in the space used.

• Signal Synchronization: Column Array speakers and subwoofer work in sync, ensuring that frequencies from low to high are not out of phase, creating complete sound.
• Smart frequency division: Crossover technology helps the column speaker focus on handling the mid and high ranges, while the subwoofer takes full responsibility for the bass range, providing balanced and clear sound.

2.4. Smart connection and control

One of the notable features of the modern Column Array karaoke system is the ability to Smart connection and controlWith the development of technology, users can easily sound system management and control remotely via smart devices, providing convenience and flexibility in use.

• Flexible connection: Supports Bluetooth 5.0, Optical, or XLR allowing users to easily connect to various devices such as TVs, computers, musical instruments.
• Remote control application: Some systems support mobile apps (e.g. Bose Connect) that allow users to customize sound and control the system easily.