




Crown NCT475A-U Four-Channel 75W Power Amplifier
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Crown NCT475A-U Four-Channel 75W Power Amplifier
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Description
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Highlights:
- Four-Channel Power Amplification: The Crown NCT475A-U Power Amplifier features four channels, each capable of delivering 75W per channel at both 4 ohms and 8 ohms, providing versatile and efficient audio distribution for various applications.
- High Signal-to-Noise Ratio: With a signal-to-noise ratio of 110 dB below rated power, the NCT475A-U ensures ultra-low noise levels, maintaining the purity of your audio signals.
- Minimal Total Harmonic Distortion and Intermodulation Distortion: With less than 0.05% THD and IMD at full rated power, this amplifier ensures pristine sound reproduction, delivering an accurate and transparent audio experience.
- Wide Frequency Response: The amplifier maintains a frequency response within +/- 0.5 dB at 1W for both 4 ohms and 8 ohms, ensuring faithful audio reproduction across the entire frequency spectrum.
- High Crosstalk and Common Mode Rejection: With crosstalk greater than 70 dB and common mode rejection greater than 55 dB (typically > 70 dB), this amplifier provides excellent channel separation and reduces unwanted interference.
Overview:
The Crown NCT475A-U Four-Channel Power Amplifier is a reliable and efficient audio solution suitable for a wide range of applications, from professional installations to home audio setups. With its robust build and exceptional audio performance, this amplifier ensures that your sound system delivers exceptional clarity and detail.
Specifications:
| Channels | 4 |
| Sensitivity | 1.4 V |
| Rated Power Output (all channels driven) | 75W per CH @ 4 ohms, 75W per CH @ 8 ohms |
| Signal to Noise Ratio (below rated power 20 Hz to 20 kHz, A-Weighted) | 110 dB |
| THD (full rated power, 20 Hz - 20 kHz) | < 0.05% |
| Intermodulation Distortion (from 0 dB down to -30 dB) | < 0.05% |
| Frequency Response (at 1W, 4/8 ohms) | +/- 0.5 dB |
| Crosstalk (below rated power) 20 Hz to 1 kHz | > 70 dB |
| Common Mode Rejection (20 Hz to 1 kHz) | > 55 dB, typically > 70 dB |
| Voltage Gain | 25 dB |
| DC Offset | +/- 20mV |
| Idle Power Consumption (Standard Mode) | 15.0W |
| Dimensions (inches) (W x H x D) | 1.75" x 19" x 15.19" |
| Weight | 10 lbs (4.54 kg) |
| Shipping Weight | 15 lbs (6.8 kg) |
| IEC Power Connector | 15A |
Upgrade your audio system with the Crown NCT475A-U Four-Channel Power Amplifier. Whether you're a musician, a DJ, or an audio enthusiast, this amplifier provides clear and powerful sound reproduction with low distortion and efficient power consumption, making it a reliable and versatile addition to your setup.
Quality Assurance
Every product offered by ITrustSystems is sourced from trusted manufacturers and undergoes quality checks before dispatch. We focus on long-term reliability, performance consistency, and compliance with manufacturer standards to ensure you receive dependable equipment for both residential and commercial use.
Packaging & Handling
All products are carefully packed using protective materials to ensure safe handling during storage and transit. Packaging is designed to minimize impact, prevent damage, and maintain product integrity from dispatch to delivery. Larger systems and delicate components receive additional protective layers for secure transportation.
Warranty
All products sold by I-Trust Systems are 100% genuine, brand-new, and covered by the applicable UAE manufacturer warranty.
Warranty covers manufacturing defects under normal use. It does not cover physical damage, misuse, incorrect installation, power issues, liquid damage, or unauthorized repairs.
For exact warranty duration and conditions, please contact us before placing your order.

Not sure if this product fits your project?
Choosing the right AV product depends on more than power or brand name. Venue size, audience area, outdoor conditions, amplifier matching, DSP tuning, mounting method, and sound coverage all matter.
Our AV team can help you select the right Bose loudspeaker, amplifier, DSP processor, mounting accessories, and cabling solution for your project. We also support speaker placement, system design, and professional installation across the UAE.

Acoustic Study & Room Calibration
Great equipment performs best when the room is properly designed and tuned. Our team studies your room dimensions, speaker placement, reflections, and listening position to improve clarity, balance, and overall sound performance.
FAQs
Please read our FAQs page to find out more
How are products packaged for delivery?
All products are carefully packaged using protective materials to ensure safe handling during transportation. Additional protection is used where required to minimize the risk of damage during shipping.
Do these products come with warranty coverage?
Yes. Products are supplied with manufacturer-backed warranty coverage where applicable. Warranty details may vary by product, and support is available to assist with warranty-related inquiries.
Is after-sales support available if I need assistance?
Yes. After-sales support is available to assist with general product-related questions, usage guidance, and post-purchase inquiries.
Dubai-Born. UAE Proud. Since 2011
1# Fast & Secure Delivery
Need Discount? Drop a WhatsApp Message
Installation Available on Request
Dubai-Born. UAE Proud. Since 2011
1# Fast & Secure Delivery
Need Discount? Drop a WhatsApp Message
Installation Available on Request

