Main Karaoke KTreasure T2120

The KTreasure T2120 is a 2-channel power amplifier designed for professional karaoke, auditorium, and stage systems. Boasting powerful output, a Class H amplification circuit, and the ability to reproduce sound faithfully, the product delivers stable amplification performance and reliable operation.

Introducing the KTreasure T2120 Karaoke Main Unit

The KTreasure T2120 Main Karaoke amplifier boasts a power output of 2 x 1200W at 8Ω, 2 x 1800W at 4Ω, and 3600W in Bridge mode at 8Ω, making it easy to pair with a wide range of karaoke speakers, full-range speakers, monitor speakers, and subwoofers. This power level is well-suited for everything from high-end home karaoke rooms to commercial karaoke establishments and professional sound systems.

The KTreasure T2120 boasts a frequency response of 20Hz–20kHz, THD+N below 0,05%, SNR above 100dB, and a Damping Factor of 700:1, delivering detailed, clean sound reproduction and effective speaker control. The strong bass, clear midrange, and crisp treble enhance the listening and karaoke experience.

Technical parameters of the product to consider:

• Output power: 2 x 1200W (8Ω), 2 x 1800W (4Ω), 3600W (Bridge 8Ω) The KTreasure T2120 delivers powerful performance, meeting the needs of pairing with various karaoke speakers, full-range speakers, and subwoofers. The Bridge mode allows for a significant increase in power when driving high-power speakers.
• Frequency response: 20Hz – 20kHz (±0.1/0.3dB, 1W/8Ω) This device reproduces the full range of human hearing frequencies, delivering deep bass, clear midrange, and crisp treble, resulting in a more balanced and realistic sound.
• Total harmonic distortion (THD+N): <0.05% Low distortion levels ensure a clean and stable output signal, minimizing distortion even at high power levels and guaranteeing consistently clear and detailed sound quality.
• Intermodulation Distortion: 60Hz & 7kHz (1W/8Ω): Excellent control over intermodulation distortion prevents overlapping frequency ranges, preserving clarity and detail in the sound even when multiple signals are played simultaneously.
• Damping Factor: 700:1 A high damping factor effectively controls the movement of the speaker diaphragm, especially in the low frequency range. This results in a solid, clean bass sound and minimizes muddiness or trailing distortion.
• Signal-to-noise ratio (SNR): >100dB With an SNR of over 100dB, the KTreasure T2120 minimizes background noise, delivering clean sound quality and enhancing detail reproduction for both vocals and background music.
• Amplifier circuit: Class H: Class H technology enhances amplification efficiency, reduces heat generation, and saves energy. The device can operate continuously for extended periods while maintaining stable performance.
• Signal switching speed (Slew Rate): 70V/µs A high slew rate allows the amplifier to respond quickly to high-amplitude audio signals, accurately reproducing drums, instruments, and dynamic effects without pulse distortion.
• Input impedance: 20kΩ (Balanced), 10kΩ (Unbalanced) Supporting both balanced and unbalanced connections, the KTreasure T2120 easily integrates with DSP processors, mixers, equalizers, and other signal processing equipment, while also reducing interference during signal transmission.
• Control and connectivity system: The front panel integrates indicator lights for Signal, Clip, Protect, and Power, a Bridge/Parallel switch, and a volume control knob. The rear panel supports Stereo/Parallel/Bridge modes, input sensitivity selection, Low Pass Filter, High Pass Filter, and Ground Lift, making system configuration and operation more flexible.
• Dimensions and weight: 500 × 400 × 89mm (2U Rack), 24kg The standard 2U rack-mount design makes it easy to install in professional audio racks. Weighing only 24kg, the sturdy chassis ensures high durability and is suitable for both fixed and mobile systems.

Key features of the KTreasure T2120 power amplifier.

The KTreasure T2120 power amplifier is designed for professional karaoke, auditorium, and stage systems, offering powerful amplification, stable operation, and easy compatibility with various audio equipment. Featuring a Class H amplification circuit, high power output, and flexible connectivity, the product effectively meets the demands of continuous use and delivers superior sound quality.

• Powerful 2-channel output, suitable for a variety of audio configurations: The KTreasure T2120 delivers 2 x 1200W of power at 8Ω, 2 x 1800W at 4Ω, and 3600W in Bridge mode at 8Ω, easily pairing with a wide range of karaoke speakers, full-range speakers, monitor speakers, and subwoofers. The device is suitable for both high-end home karaoke systems and professional sound installations.
• Class H circuits operate stably and save energy: Equipped with a Class H amplifier circuit, the KTreasure T2120 delivers high amplification efficiency, reduces heat generation, and optimizes power consumption. This ensures the device operates reliably for extended periods, meeting the demands of continuous use in commercial karaoke rooms or performance stages.
• Authentic sound quality, effective speaker control: Thanks to its frequency response of 20Hz–20kHz, THD+N below 0,05%, SNR above 100dB, and Damping Factor of 700:1, the KTreasure T2120 reproduces clean, detailed, and balanced sound. At the same time, its excellent diaphragm control ensures strong bass and minimizes distortion at high power levels.
• Supports multiple operating modes and flexible connectivity: The KTreasure T2120 supports Stereo, Parallel, and Bridge modes, and integrates a Low Pass Filter, High Pass Filter, Ground Lift, and status indicator lights. This allows for easy integration with DSP processors, mixers, power managers, and other signal processing equipment, helping to build a synchronized and professional sound system.
• Standard 2U rack design, sturdy and easy to install: Designed to fit in a 2U rack, the device features a sturdy chassis and weighs 24kg, making it convenient for installation in audio racks. Its durable design makes the KTreasure T2120 suitable for both fixed sound systems and mobile sound setups for events.

Detailed review of the KTreasure T2120 power amplifier.

High power output, suitable for a wide range of sound systems.

The KTreasure T2120 boasts a power output of 2 x 1200W at 8Ω, 2 x 1800W at 4Ω, and 3600W in Bridge mode at 8Ω, effectively driving karaoke speakers, full-range speakers, monitor speakers, and subwoofers. This power level is suitable for high-end home karaoke systems, commercial karaoke businesses, and performance sound systems.

The sound quality is powerful, detailed, and stable.

Thanks to its frequency response of 20Hz–20kHz, THD+N below 0,05%, SNR above 100dB, and Damping Factor of 700:1, the KTreasure T2120 delivers clean, detailed sound and effective speaker control. The device reproduces a strong bass range, clear midrange, and bright treble, ensuring balanced and vibrant vocals and background music.

Reliable operation with Class H amplifier circuitry.

The Class H circuitry enables the KTreasure T2120 to achieve high amplification efficiency, reduce heat generation, and optimize power consumption. As a result, the device can operate continuously for many hours while maintaining stable performance, effectively meeting the needs of commercial karaoke rooms, auditoriums, and stages.

Flexible system integration and easy upgrades.

The KTreasure T2120 supports Stereo, Parallel, and Bridge modes and is compatible with DSP digital processors, mixers, power managers, karaoke speakers, full-range speakers, and subwoofers. Its diverse compatibility allows users to easily build or expand their sound system to meet specific needs while ensuring efficiency and consistency.

Applications of the KTreasure T2120 2-channel power amplifier 

The KTreasure T2120 2-channel power amplifier is a karaoke amplifier designed to meet the sound amplification needs of various systems, from home karaoke to professional sound installations. With its powerful output, Class H amplification circuit, and flexible pairing capabilities, the device delivers stable performance in a variety of environments.

• High-end home karaoke system.
• Karaoke room business.
• Auditorium, stage, and meeting room.
• Sound systems for events and business services.

Where can I buy a genuine and reliable KTreasure T2120 karaoke amplifier?

If you're looking for a genuine KTreasure T2120 karaoke amplifier at a reasonable price, with clear origin and reliable warranty, Phuc Truong Audio is a worthwhile choice. With many years of experience in the professional audio field, Phuc Truong Audio offers a wide range of equipment such as power amplifiers, karaoke speakers, digital processors, mixers, wireless microphones, and complete sound solutions for homes, businesses, and stages.

When purchasing the KTreasure T2120 at Phuc Truong Audio, customers are guaranteed 100% genuine products, complete with labels, documentation, and warranty policies according to the manufacturer's standards. All equipment is thoroughly inspected before delivery to ensure stable operation and optimal performance.

In addition to product distribution, Phuc Truong Audio also provides consulting services for matching audio systems according to individual needs. The KTreasure T2120 can be effectively combined with karaoke speakers, full-range speakers, subwoofers, DSP digital processors, mixers, and power management systems, helping to build a synchronized, stable audio system and maximize the performance of each device.

For home karaoke setups, commercial karaoke rooms, auditoriums, conference centers, restaurants, cafes, performance stages, and sound system rental services, Phuc Truong Audio provides professional survey, configuration design, installation, and system calibration services. Our experienced technical team will offer solutions tailored to the space size and investment budget of our clients.

Besides the KTreasure T2120 Karaoke Amplifier, Phuc Truong Audio also distributes many other genuine power amplifiers, karaoke speakers, subwoofers, line array speakers, digital processors, wireless microphones, mixers, and other audio accessories. This makes it easy for customers to choose and upgrade their systems according to their usage stages.

Frequently Asked Questions about KTreasure T2120 Power Amplifier

1. Which audio systems are compatible with the KTreasure T2120 main amplifier?

The KTreasure T2120 is designed for a variety of systems such as home karaoke setups , commercial karaoke rooms, auditoriums, acoustic cafes, restaurants, meeting rooms, and event sound systems. The device effectively meets the needs for high power output and stable operation.

2. Is the KTreasure T2120 suitable for driving a subwoofer?

Yes. With a power output of 3600W in Bridge mode at 8Ω, the KTreasure T2120 can be paired with many suitable subwoofer or passive subwoofer speakers. For best results, it should be combined with a digital sound processor or DSP for accurate crossover filtering.

3. Does the KTreasure T2120 power amplifier consume a lot of power?

The device utilizes a Class H amplifier circuit, optimizing performance and reducing power consumption compared to many traditional power amplifiers . This ensures both powerful output and more efficient system operation.

4. Is a rack cabinet required when using the KTreasure T2120?

It's recommended to install the equipment in an audio rack to protect it from impacts and dust, and to create a neater system layout. Additionally, racks aid in heat dissipation and facilitate maintenance or future system expansion.