Power amplifier E3 Z-21400

The E3 Z-21400 power amplifier is a 2-channel power amplifier designed for sound systems requiring powerful amplification and stable operation. It's suitable for high-end karaoke systems, commercial karaoke rooms, stages, auditoriums, and event sound systems, and offers flexible pairing with various speaker configurations.

Introducing the E3 Z-21400 Karaoke Main Amplifier

The E3 Z-21400 power amplifier delivers 2 x 1400W at 8Ω and 2 x 2100W at 4Ω. When bridged, it reaches 4200W at 8Ω, offering additional options for configurations requiring high power output for compatible speakers. This is an advantage when building high-power sound systems or those needing significant amplification capacity.

In terms of signal processing capabilities, the device has a frequency response range of 20Hz – 20kHz, covering the entire common audio frequency range. The signal-to-noise ratio (S/N) reaches 105dB, minimizing the impact of background noise, while the damping coefficient >550 supports speaker driver control, particularly useful when paired with systems requiring high bass response.

Technical parameters of the product to consider:

• Power output: 2 × 1400W at 8Ω Each channel delivers 1400W when operating with an 8Ω load, suitable for driving high-power karaoke speakers, full-range speakers, or stage speakers.
• Power output: 2 × 2100W at 4Ω When the load is 4Ω, the power increases to 2100W/channel, providing stronger amplification and allowing for pairing with speaker configurations of compatible impedance.
• Bridge power output: 4200W at 8Ω In bridge mode, the E3 Z-21400 delivers up to 4200W/8Ω. This is a suitable option when you need to focus a large amount of power on a single speaker or compatible speaker configuration.
• Sensitivity 0,775V / 1V / 1,44V: Three input sensitivity levels allow the amplifier to easily adapt to various output signal levels from digital processors, mixers, DSPs, or other signal processing equipment.
• Input impedance 20kΩ Balanced: The balanced 20kΩ input impedance of the E3 Z-21400 makes it convenient for connecting to professional audio equipment, while also supporting stable signal transmission.
• Frequency response range 20Hz – 20kHz: The frequency range covers the entire common sound spectrum, from low bass to high treble, making it suitable for karaoke, music listening, performances, and professional sound systems.
• Signal-to-noise ratio (S/N) is 105dB: A signal-to-noise ratio of 105dB indicates a high useful signal-to-noise ratio, supporting cleaner and clearer audio signals during amplification.
• Damping coefficient >550: A high damping coefficient supports the ability to control the movement of the speaker driver. When properly matched, this parameter benefits bass control, resulting in a firmer and more stable bass sound.
• Voltage change rate: 60V/µs A 60V/µs slew rate demonstrates the amplifier circuit's ability to respond quickly to signal changes, which is particularly useful for music with high dynamic range.
• Class TD amplifier circuit: The E3 Z-21400 utilizes Class TD circuitry, aiming to deliver high power while maintaining operational efficiency suitable for high-power audio systems.
• AC power supply voltage 190–250V / 50–60Hz: The wide operating voltage range allows the device to adapt well to real-world power supply conditions and is suitable for a variety of usage environments.
• Packaging dimensions: 550 × 550 × 150mm The packaging size is relatively compact compared to the power output of the device, making it convenient for transportation, storage, and placement in an audio system.

Key features of the E3 Z-21400 power amplifier 

The E3 Z-21400 power amplifier boasts several notable advantages in terms of amplification power, compatibility, and signal control, making it suitable for sound systems requiring high power and stable operation.

• Powerful amplification: The E3 Z-21400 delivers 2 × 1400W/8Ω and 2 × 2100W/4Ω, making it suitable for high-power speaker systems, especially high-end karaoke, commercial singing rooms, and stage sound systems.
• Bridge power up to 4200W: The 8Ω bridge mode delivers 4200W of power, providing additional options when focusing high power on a subwoofer or compatible speaker configuration.
• Class TD amplifier circuit: Class TD design aims to deliver high power output with consistent operating efficiency, effectively meeting the needs of high-power audio systems.
• Excellent speaker control: A damping coefficient of >550 helps control the movement of the speaker driver, contributing to maintaining the firmness and stability of the sound, especially in the bass range.
• The signal is clean and clear. A signal-to-noise ratio of 105dB helps minimize the impact of background noise, supporting clearer audio signals during amplification.
• Fast signal response: The 60V/µs Slew Rate allows the amplifier circuit to react quickly to signal changes, making it suitable for music programs with high dynamic range.
• Wide frequency range: With a frequency response of 20Hz – 20kHz, it covers the common audio frequency range, making it well-suited for karaoke, music listening, and performances.
• Three levels of input sensitivity: With support for 0,775V / 1V / 1,44V, the E3 Z-21400 is easy to integrate with many signal processing devices such as digital processors, mixers, and DSPs.
• Suitable for a wide range of audio configurations: With the ability to operate at 8Ω, 4Ω, and Bridge 8Ω, the E3 Z-21400 can be deployed in a variety of systems, from high-end karaoke rooms and commercial singing venues to stages, auditoriums, and events.

Detailed review of the E3 Z-21400 power amplifier.

Amplification and coupling capabilities

The E3 Z-21400 is a 2-channel power amplifier designed for audio systems requiring high amplification. With a power output of 2 x 1400W at 8Ω and 2 x 2100W at 4Ω, it can effectively power karaoke speakers, full-range speakers, and high-power stage speakers. Notably, the 8Ω Bridge mode delivers 4200W, offering additional options for focusing power on subwoofers or compatible speaker configurations.

Signal quality and control capabilities

In terms of signal processing capabilities, the E3 Z-21400 boasts a frequency response range of 20Hz – 20kHz, suitable for common audio ranges in karaoke, music listening, and performances. A signal-to-noise ratio of 105dB minimizes background noise, supporting a cleaner and clearer output signal. Furthermore, a damping coefficient of >550 enhances driver control, particularly beneficial when paired with systems requiring a solid and stable bass response.

Responsiveness and operational capabilities

The E3 Z-21400 utilizes a Class TD circuit, combined with a 60V/µs Slew Rate to respond quickly to changes in the audio signal. Three sensitivity levels of 0,775V / 1V / 1,44V also provide greater flexibility when connecting to digital processors, mixers, or DSPs. The operating voltage of AC 190–250V / 50–60Hz is suitable for various power supply conditions.

Assessing practical applicability

In terms of usability, the E3 Z-21400 is suitable for high-end karaoke systems, commercial karaoke rooms, stages, auditoriums, restaurants, and event sound systems. Its high power output provides ample room for operation at high volume levels, while its 4Ω and Bridge mode capabilities significantly expand compatibility options.

However, since this is also a high-power amplifier, speaker selection needs to be carefully considered based on RMS power, impedance, and actual load capacity. Don't just look at the 2100W/channel power rating and randomly choose speakers. If properly matched and adjusted, the E3 Z-21400 is a worthwhile option for systems requiring high power, good control, and configuration flexibility.

Applications of the E3 Z-21400 2-phase power amplifier. 

The E3 Z-21400 power amplifier is a high-power 2-channel amplifier suitable for sound systems requiring strong amplification and stable operation. With its high power output and flexible pairing capabilities, the product can meet a wide range of needs, from high-end karaoke to stage, auditorium, and professional sound systems.

• High-end karaoke system.
• Karaoke room business.
• High-power full-range speakers.
• Subwoofer speaker.
• Stage and performance.
• Auditoriums and event centers.
• Restaurants and entertainment venues.
• Professional sound system.

Where can I buy a genuine and reliable E3 Z-21400 power amplifier?

If you're looking for a genuine E3 Z-21400 power amplifier, prioritize suppliers specializing in audio equipment, capable of providing expert advice on system matching, technical support, and clear warranty policies. Phuc Truong Audio is a worthwhile option if you need to purchase an E3 Z-21400 for a high-end karaoke system, commercial karaoke room, stage, auditorium, or event sound system.

The E3 Z-21400 boasts a considerable power output of 2 x 1400W at 8Ω, 2 x 2100W at 4Ω, and 4200W in Bridge mode at 8Ω. Therefore, choosing a place to buy shouldn't be based solely on price; you should also consider their ability to advise on speaker compatibility. A professional supplier will help you determine if the amplifier is suitable for your RMS power, impedance, number of speakers, and system configuration.

At Phuc Truong Audio, the E3 Z-21400 can be paired with various other equipment such as karaoke speakers, full-range speakers, subwoofers, digital processors, wireless microphones, mixers, and DSPs. This is an advantage if you are looking to upgrade your existing system or build a new, integrated system from scratch.

Frequently Asked Questions about Main Karaoke E3 Z-21400

Which systems are compatible with the E3 Z-21400 Karaoke Main Amplifier?

The E3 Z-21400 is a 2-channel power amplifier suitable for systems requiring high amplification power, such as high-end karaoke systems , commercial karaoke rooms, stages, auditoriums, restaurants, and event sound systems. With the ability to operate at 8Ω, 4Ω, and Bridge 8Ω, the product offers various pairing options depending on the speaker configuration.

Can the E3 Z-21400 power high-power karaoke speakers?

Yes. With a power rating of 2 × 1400W/8Ω and 2 × 2100W/4Ω, the E3 Z-21400 can be paired with compatible high-power karaoke speakers . When choosing speakers, you should base your decision on the actual RMS power and impedance rather than just the size of the bass driver or the advertised power rating.

Can the E3 Z-21400 power a subwoofer?

It's possible, if the subwoofer has suitable specifications. In Bridge mode at 8Ω, the E3 Z-21400 delivers 4200W, suitable for subwoofer configurations requiring high power. When deploying the system, it's advisable to incorporate a DSP or crossover to better divide the frequency range and control the signal levels between the full-range speakers and subwoofer.

Is the E3 Z-21400 suitable for commercial karaoke rooms?

The E3 Z-21400 is suitable for commercial karaoke systems in medium to large spaces or those using high-power speaker systems. Its 2100W/channel power output at 4Ω provides ample amplification, effectively meeting the demands of high volume levels. However, careful consideration is needed to ensure proper synchronization between the main amplifier, speakers, subwoofer, and signal processing equipment.