






Crown NCT475A-U Four-Channel 75W Power Amplifier
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.


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563+
Completed Home Cinemas
496+
Satisfied Homeowners
والله يا جماعة جبت البروجكتر والسماعات من أمبليمارت، فرق كبير! صار عندي سينما بالبيت كأنك جالس بصالة عرض حقيقية. أنصح فيهم وبقوة 👌"
"بجد الناس دي محترفة جدًا، جبت منهم شاشة وسماعات للسينما المنزلية، الصوت والصورة خرافة! حسيت إني في سينما فعلًا وأنا قاعد في البيت. شكراً ليكم!"
"عنجد تجربة كتير حلوة! جبت من عندن نظام سينما أوت دور، وكل شي كان راقي ومنظّم، والتوصيل كان كتير سريع. امبليمارت بيعرفوا الزبون شو بدو!"
"تجربتي مع أمبليمارت كانت ممتازة! شريت بروجيكتور وسماعات، وكل شي اشتغل تمام. الله يعطيهم العافية على الشغل المرتّب والدقة بالتنفيذ."
"السينما اللي ركبتها من عند أمبليمارت بتجنّن! عن جد جودة عالية وخدمة ممتازة من البداية للنهاية. بنصح كل حدا بدو يجهز سينما بيتية يتواصل معهم."
"شريت من أمبليمارت معدات للسينما فالدار، والله تجربة رائعة. الخدمة زوينة بزاف والتوصيل كان فالوقت. عجباتني بزاف الجودة ديال الصوت والصورة!"