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QRS4.90GH | 900W, 4 Channel, Class G/H, Amplifier @2/4ohms

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QRS4.90GH | 900W, 4 Channel, Class G/H, Amplifier @2/4ohms

Regular Price: $386.37

Special Price $270.46

Availability: In stock


Product Highlight:



  • Channel / Class: G / H

  • RMS Power at 4 ohm-14.4V: 90W x 4

  • RMS Power at 2 ohm-14.4V: 135W x 4

  • Fuse Rating: 35A x 3

  • Dimensions (inch): 14.29(w) x 2.32(h) x 7.56(d)

  • Dimensions (mm): 363(w) x 59(h) x 192(d)


Description

Details

DESCRIPTION

Unleash the Power of Four-Channel Output! Introducing QRS4.90GH!

  1. Advanced Microprocessor Real-Time Monitoring: QRS4.90GH is equipped with an advanced microprocessor that monitors the amplifier's status in real-time, ensuring outstanding audio performance and stable output.
  2. High-Efficiency A/B Class Design (G/H-Class Power Supply): With a high-efficiency A/B class design and G/H-class power supply, QRS4.90GH delivers excellent power output and audio performance. Each channel provides 90 watts of RMS power at 4-ohm load, 135 watts of RMS power at 2-ohm load, and 270 watts of RMS power in bridged mode at 4-ohm load.
  3. Heavy-Duty Aluminum Alloy Heatsink: The rugged aluminum alloy heatsink effectively dissipates heat, ensuring optimal amplifier performance and highlighting its excellent heat dissipation capability.
  4. High-Grade Bi-Polar Output Stage Transistors: With high-grade bi-polar output stage transistors, QRS4.90GH precisely amplifies the audio signals, delivering low-distortion music output for an authentic music experience.
  5. Nickel Plated on All Connections: All connections are nickel plated to ensure optimal performance in any weather conditions. Regardless of the environment, QRS4.90GH consistently delivers excellent sound quality and reliable connections.
  6. Tiff Style RCA Inputs: QRS4.90GH features Tiff Style RCA inputs, ensuring stable and reliable audio transmission, laying the foundation for an exceptional music experience.
  7. Variable Bass Boost: With the variable bass boost function, you can adjust the bass intensity according to your preference, creating your own unique music style.
  8. Variable Low Pass/High Pass Crossover: With variable low pass/high pass crossovers, you can fine-tune the audio settings for optimal sound performance.
  9. 4-Way Protection Circuitry (Thermal, Short, DC, Overload): Built-in 4-way protection circuitry ensures comprehensive protection for your amplifier and audio system, extending the product's lifespan.
  10. Mute and Delay Soft Start System: The mute and delay soft start system minimizes audio interference during amplifier startup, protecting audio equipment from potential damage.

QRS4.90GH delivers an exceptional four-channel output, with each channel providing powerful power output, ensuring clear and dynamic music performance. Whether you enjoy rock, pop, or classical music, QRS4.90GH will take you on a journey of pure and exhilarating music experience.

Unveiling the Captivating Charm of Music - QRS Series Amplifier: The Ultimate Choice for Professional-grade Audio Experience

  1. High-Efficiency D/G/H Class Design: Experience the pinnacle of musical bliss. QRS Series Amplifier features high-efficiency D/G/H class design, delivering exceptional power conversion efficiency and low energy consumption to unleash the full potential of your sound. Whether it's Mono, 2-channel, or multi-channel, each channel is meticulously engineered to bring you detailed and dynamic music performance.
  2. Premium Components, Exquisite Tonal Accuracy: We carefully select high-quality components such as high-efficiency MOSFETs, premium power supplies, and output stage transistors to ensure pure and captivating sound quality. From deep bass, rich midrange to delicate highs, QRS Series Amplifier faithfully reproduces the allure of every note.
  3. All-Weather Performance, Limitless Music: Rain or shine, QRS Series Amplifier's nickel-plated connections ensure outstanding connection stability and corrosion resistance. They fearlessly face any environmental challenges, providing you with an exceptional music experience anytime, anywhere.
  4. Multiple Adjustment Options, Personalized Sound: QRS Series Amplifier offers various adjustment features, including variable bass boost, variable low-pass/high-pass filters, and variable subsonic filters. These features allow you to customize your sound signature and audio effects according to your personal preferences and the requirements of your audio system.
  5. Advanced Protection Mechanisms, Peace of Mind Usage: With built-in 4-way protection circuits (thermal, short-circuit, DC, overload), QRS Series Amplifier ensures full protection for both the amplifier and your audio system during prolonged use. They are reliable and durable, allowing you to focus on enjoying the beauty of music.
  6. Powerful Output Power, Music that Resonates: QRS Series Amplifier commands attention with its robust output power. Whether it's the mighty 3000 watts of QRS1.3000D or the 1800 watts of QRS1.1800D, these amplifiers inject a surge of energy into your music, delivering a lifelike and awe-inspiring sonic experience.
  7. Carefully Designed Heat Dissipation System, Stable Performance: QRS Series Amplifier features a heavy-duty aluminum alloy heatsink for efficient heat dissipation, ensuring stable operation and maintaining high-performance levels at all times.

Let QRS Series Amplifier accompany you on your musical journey and transcend into the realm of boundless music. From individual users to professional enthusiasts, our cutting-edge amplifiers unlock the captivating charm of music, delivering an incredible auditory experience.

This image shows QRS4.90GH rear Side which has REM Connector, RCA Input, Gain, LPF, HPF and Bass Boost Variable Resistor.

This image shows QRS4.90GH Interior

PERFORMANCEQRS4.90GH
Peak Power Output (Watts) 900
RMS Power at 4 ohm (Watts x Channel) 90 x 4
RMS Power at 2 ohm (Watts x Channel) 135 x 4
Minimum Impedance Bridged 4
Minimum Impedance Unbridged 2
THD at Rated RMS Power Less than 0.05%
Signal to Noise Ratio >86 dB
 
FEATURES
Amplifier Class G / H
Low Pass Filter 50 -250 Hz
High Pass Filter 50 -250 Hz
Bass Boost 0 dB – 15 dB
Fuse Rating 35A x 3
Speaker Level Input RCA
Preamp Output RCA
Width (inch / mm) 14.29 / 363
Height (inch / mm) 2.32/ 59
Depth (inch / mm) 7.56 /192
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