NCDI4X300BL-U-US vs NCDI4X600BL-U-US-B — Compare
Crown CDi4x300BL 4x300W Power Amplifier with BLU link vs Crown CDi4x600BL 4x600 Power Amplifier with BLU link B-Stock
The CDi4x300BL delivers 300W per channel in a ultra-compact footprint, while the CDi4x600BL doubles the power output to 600W per channel for demanding larger venues and high-SPL applications. Choose the 300 if space and cost matter most; choose the 600 if maximum power and headroom are non-negotiable.
No sales tax on orders shipped outside California — total cost beats national retailers that charge sales tax in nearly every state.
Crown CDi4x300BL 4x300W Power Amplifier with BLU link
Crown CDi4x600BL 4x600 Power Amplifier with BLU link B-Stock
Specs side by side
| Crown CDi4x300BL 4x300W Power Amplifier with BLU link | Crown CDi4x600BL 4x600 Power Amplifier with BLU link B-Stock | |
|---|---|---|
| Price | $3,528.00 | $3,621.60 |
| Brand | Crown | Crown |
| Power | 4 x 300W | 4 x 600W |
| Channels | 4 | 4 |
| Install Type | — | Installed |
| Condition | New | Refurbished |
Why choose Crown CDi4x300BL 4x300W Power Amplifier with BLU link
- ✓ Smaller, lighter footprint for rack space-constrained installations
- ✓ Lower price tier for budget-aware system integrators
- ✓ Sufficient 300W per channel for many mid-sized distributed audio networks
- ✓ Same BLU link integration and DSP capabilities as larger model
Why choose Crown CDi4x600BL 4x600 Power Amplifier with BLU link B-Stock
- ✓ Doubles power to 600W per channel for larger venues and high-impact live reinforcement
- ✓ Superior damping factor (exceeds 1000) and flat frequency response (±0.25dB) for tightest bass control
- ✓ Better headroom for demanding full-range systems without strain
- ✓ Specified tone emphasizes articulate, low-distortion performance across full spectrum
Frequently asked questions
What's the real-world difference in power output between these two?
The CDi4x300BL delivers 300 watts per channel, while the CDi4x600BL delivers 600 watts per channel—a 2x increase. For most small to mid-sized installed systems, 300W is adequate; larger venues and live reinforcement applications benefit from the extra 300W per channel of the 600.
Do both amplifiers support 70V and 100V distributed audio systems?
Yes, both models support 70V and 100V output modes without external transformers. The CDi4x600BL specifically notes the ability to drive 100Vrms loads, giving slightly more flexibility for demanding distributed installations.
Are the DSP and BLU link features identical on both models?
Both include built-in DSP with parametric EQ, crossover, and limiting, plus BLU link digital audio networking and remote control. The key difference is power rating and specified audio performance specs—the 600 emphasizes superior damping factor and frequency response tolerance.
Which model is better for small practice spaces or budget installations?
The CDi4x300BL is better suited for smaller applications due to its compact footprint and lower cost tier. The CDi4x600BL is explicitly noted as not ideal for small practice spaces and is positioned for professional/commercial use where power and performance justify the premium.