NCT4150A-U-US vs NCT475A-U-US — Compare
Crown Audio CT4150 Four-Channel 125W Power Amplifier vs Crown Audio CT475 Four-Channel 75W Power Amplifier
The CT4150 delivers 125W per channel with higher power output and more detailed specs for demanding installations, while the CT475 offers 75W per channel in a more compact, flexible configuration suited to touring and mixed-load environments. Choose the CT4150 for fixed installations requiring maximum headroom; choose the CT475 for portability and adaptability across varied venues.
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Crown Audio CT4150 Four-Channel 125W Power Amplifier
Crown Audio CT475 Four-Channel 75W Power Amplifier
Specs side by side
| Crown Audio CT4150 Four-Channel 125W Power Amplifier | Crown Audio CT475 Four-Channel 75W Power Amplifier | |
|---|---|---|
| Price | $2,148.00 | $1,582.00 |
| Brand | Crown | Crown |
| Wattage | 1W to 300W | 1W to 300W |
| Condition | New | New |
Why choose Crown Audio CT4150 Four-Channel 125W Power Amplifier
- ✓ Higher power output: 125W per channel vs. 75W
- ✓ Comprehensive published specs (110 dB SNR, <0.05% THD/IMD, ±0.5 dB frequency response)
- ✓ Optimized for permanent installed sound and AV systems
- ✓ Silent convection cooling in noise-critical environments
Why choose Crown Audio CT475 Four-Channel 75W Power Amplifier
- ✓ Lower weight and power consumption for touring/portable use
- ✓ Flexible input routing designed for live performance variability
- ✓ Integrated life-safety features for stage and touring applications
- ✓ Same DriveCore™ efficiency (>90%) in a more compact form factor
Frequently asked questions
How much more powerful is the CT4150?
The CT4150 produces 125W per channel while the CT475 produces 75W per channel—a 67% difference. For installations with larger speaker systems or longer throw distances, the extra headroom of the CT4150 is valuable.
Which is better for touring and live sound?
The CT475 is designed explicitly for live performance and touring, with flexible input routing and integrated life-safety features. It weighs less and adapts to variable venue conditions, while the CT4150 is optimized for fixed installations.
Do both amplifiers use the same technology?
Yes, both use Crown's DriveCore™ technology achieving over 90% efficiency while maintaining Class AB sonic character. Both have convection cooling with no fan noise and support 2–16 ohm loads.
Why are the CT4150's specs more detailed?
The CT4150 publishes full performance metrics (110 dB SNR, <0.05% distortion, ±0.5 dB frequency response) because it targets professional installations where documentation and verification are required. The CT475 emphasizes real-world touring features instead.