Main E3 PA-2.28

E3 PA-2.28 power amplifier This power amplifier series is aimed at sound systems that require power, stability, and ease of control. The product is designed to meet the needs of both commercial karaoke businesses and stage sound systems, where high performance and durability are required.

Introducing the E3 PA-2.28 Karaoke Main Unit

Main E3 PA-2.28 This is a high-end 2-channel power amplifier, designed to meet the needs of commercial karaoke systems and professional stage sound systems. With a power output of up to 2x4200W at 4Ω, the product delivers powerful, impactful, and stable speaker performance over extended periods.

Utilizing advanced Class TD circuitry, the E3 PA-2.28 not only optimizes performance but also ensures clean sound quality, minimizes distortion, and saves energy. Furthermore, its multi-layered protection system and efficient cooling mechanism ensure durable and safe operation, even under high-intensity use.

Technical parameters of the product to consider:

• Rated power (8Ω): 2x2800W This allows the main unit to operate stably when driving common 8Ω speakers, suitable for high-end home karaoke systems or standard business rooms.
• Rated power (4Ω): 2x4200W When operating at 4Ω, the power output increases significantly, allowing it to drive 2 speakers per channel or high-power speaker systems while still ensuring strong and full sound.
• Bridge power rating (8Ω): 6000W Bridge mode allows all power to be concentrated into a single channel, suitable for driving high-powered subwoofers or stage systems requiring extremely powerful bass.
• Frequency response: 20Hz – 20kHz (±0.5dB): It reproduces the full range of frequencies from bass to treble, resulting in balanced sound that is clear whether listening to music or singing karaoke.
• THD+N: <0.05% (1W/8Ω): Extremely low distortion results in clean sound, minimizing crackling even at high volumes.
• Intermodulation distortion: 60Hz & 7kHz (1W/8Ω): It helps ensure that audio signals do not overlap between frequency ranges, maintaining clarity when playing complex music.
• Damping Factor: 600:1 Good speaker control, especially in the bass range, results in a tight, solid bass sound without any muddiness.
• Signal Slew Rate: The fast response speed helps to accurately reproduce fast-paced sounds, without feeling "out of place" when playing loud music.
• Input impedance: 20kΩ (balanced) / 10kΩ (unbalanced) Compatible with various devices such as digital processors and mixers, ensuring stable signal transmission.
• Power amplifier circuit: Class TD: Combining high performance and stable sound quality, this amplifier is both powerful and energy-efficient, generating minimal heat.
• Operating voltage: AC 200–240V / 50–60Hz Compatible with Vietnam's power grid, ensuring stable operation.
• Cooling system: Airflow from front to back: It helps dissipate heat effectively, preventing the machine from overheating during continuous operation.
• Protection system: Features include soft start, DC protection, short circuit protection, overload protection, clipping protection, and overheating protection, helping to protect both the main unit and the speakers during operation.
• Input connectors: XLR-F, TRS, XLR-M Professional connection standard, ensuring stable signal and good interference resistance.
• Output connection: Red/black speaker terminals: Easy to connect to speakers, ensuring stable power transmission.
• Front panel indicator lights & controls: Displaying operating statuses such as signals, clipping, protection, etc., helps users easily monitor and control the system.
• Customize the back: Supports stereo/parallel/bridge modes, sensitivity adjustment, HPF/LPF filtering, helping to optimize the system according to user needs.

Key features of the Main E3 PA-2.28

The Main Karaoke E3 PA-2.28 is a power amplifier designed for high performance, stability, and durability in professional sound systems. Beyond its powerful output, the product optimizes user experience and offers excellent compatibility with various audio systems.

• High power output, suitable for everything from high-end home karaoke systems to commercial spaces and small stages.
• Modern Class TD circuitry strikes a balance between performance and sound quality.
• Capable of stable operation over long periods, suitable for continuous business environments.
• A high damping coefficient helps to control the speaker well, especially in the bass range, making it tight and precise.
• Low distortion results in clean sound and minimizes crackling at high volumes.
• Supports multiple operating modes: Stereo / Parallel / Bridge, offering flexibility in system setup.
• Integrated HPF/LPF filters optimize sound according to each speaker configuration.
• Comprehensive protection system: overload, overheating, short circuit protection… ensuring safety during use.
• The front-to-rear airflow cooling design helps maintain stable temperatures when running at full power.
• The intuitive interface with indicator lights and knobs makes it easy to monitor and control the device.

Detailed review of the E3 PA-2.28 power amplifier.

Powerful performance, suitable for a variety of speaker configurations.

The E3 PA-2.28 power amplifier boasts a power output of 2x2800W at 8Ω and 2x4200W at 4Ω, providing exceptionally impressive speaker driving capabilities.

In practical use, the main unit can easily power 2 speakers/channel or high-power speakers while still ensuring strong, consistent sound output. In particular, the 6000W (8Ω) bridge mode makes the device suitable for high-power systems such as stage setups or large-room karaoke systems.

Clean sound quality, full frequency range reproduction.

With a frequency response range of 20Hz – 20kHz (±0.5dB), the E3 PA-2.28 is capable of reproducing the full range of sounds from bass to treble. Combined with a THD < 0.05%, the output sound always remains clean, minimizing distortion even at high volume.

Practical use shows that the bass range is firm and tight thanks to the high damping ratio of 600:1, while the mid and treble ranges remain clear, helping vocals stand out when karaoke.

Stable and reliable operation over a long period of time.

Utilizing Class TD circuitry, the E3 PA-2.28 optimizes performance, reduces power consumption, and minimizes heat generation. Combined with a front-to-back airflow cooling system, the device can operate continuously for many hours while maintaining stability.

In addition, protective mechanisms such as overload, overheating, short-circuit, and clip protection help increase durability and ensure the safety of the entire sound system.

Flexible connection, easy to combine systems

The main unit supports a variety of connections including XLR and TRS, with input impedances of 20kΩ (balanced) / 10kΩ (unbalanced), ensuring good compatibility with many devices such as digital processors and mixers. In addition, the device supports Stereo / Parallel / Bridge modes and integrates HPF / LPF filters, allowing users to easily customize and optimize the system according to their specific needs.

Applications of Main E3 PA-2.28

The E3 PA-2.28 power amplifier is designed to meet a wide range of needs in sound systems, from home to professional. Thanks to its high power output, stable operation, and ease of integration, the product can be flexibly applied in many different environments.

• High-class family karaoke room.
• Karaoke room business.
• Small and medium-sized stage sound systems.
• Auditorium and meeting room sound systems.
• Acoustic café, lounge.
• Combine it with a high-powered subwoofer system.

Where can I buy a genuine E3 PA-2.28 Karaoke Main Amplifier?

If you're looking for a reputable place to buy genuine E3 PA-2.28 Karaoke Amplifiers, then Phuc Truong Audio is a worthwhile option. They specialize in providing karaoke, stage, and home audio equipment with many years of experience, and are highly regarded by customers for their product quality and service.

When you buy the E3 PA-2.28 at Phuc Truong Audio, you are guaranteed a product with clear origin, complete documentation, and a genuine manufacturer's warranty. Beyond simply selling equipment, our team provides thorough advice on matching the power amplifier with speakers, digital processors, and subwoofers, ensuring optimal system performance and minimizing risks such as speaker damage or insufficient power.

Another strength is that Phuc Truong Audio often provides complete solutions tailored to specific needs, such as home karaoke, business rooms, or small stages. This saves you time in choosing and avoids purchasing incompatible equipment. Furthermore, the company offers on-site installation and sound calibration, ensuring optimal performance in real-world use.

In terms of price, Phuc Truong Audio always offers competitive prices along with many promotions when customers purchase audio system combos. After-sales service and technical support are also major advantages, giving users peace of mind during long-term use.

With its product advantages, services, and practical experience, Phuc Truong Audio is a reliable address for those who want to own a genuine E3 PA-2.28 power amplifier at a good price and with high performance.

Frequently Asked Questions about E3 PA-2.28 Power Amplifier

How many speakers can the Main E3 PA-2.28 power amplifier?

With a power output of 2x4200W at 4Ω, the E3 PA-2.28 amplifier is capable of driving 2 speakers per channel very well, or even more speakers if configured appropriately. In practice, the device is often used to power 2–4 speakers. full speaker 30cm bass speakers are used in commercial karaoke rooms or high-end home audio systems.

Is the Main E3 PA-2.28 suitable for commercial karaoke use?

The answer is very appropriate. This is the line. amplifier Designed for long-term, reliable operation, the E3 PA-2.28 ensures good performance in commercial karaoke rooms that require continuous operation for many hours each day, minimizing overheating and reducing the risk of malfunctions. Furthermore, when properly installed and calibrated, the device enhances the audio experience, thereby increasing customer satisfaction.

Is the Main E3 PA-2.28 suitable for small rooms?

The main unit can still be used in small rooms, however, proper adjustments are necessary. For spaces under 20m², the power of the E3 PA-2.28 is quite high, so if not set up correctly, it can easily cause excessive force or difficulty in controlling the sound. The solution is to use it in combination with... digital echoAdjust the gain appropriately or have a technician set it up properly to ensure the sound is harmonious and not harsh or overloaded.

Can the Main E3 PA-2.28 power amplifier drive a subwoofer?

Yes, and it performs very well. When using 8Ω bridge mode with a power output of up to 6000W, the motherboard can easily handle high currents. subwoofer High power output delivers a strong and solid bass range. This is a suitable choice for sound systems that need enhanced bass, such as commercial karaoke venues, stages, bars, or lounges.