Product compatibility for CD Players (CD5si, CDX2, ...)
Naim’s CD players are designed to deliver exceptional musicality and long-term reliability. Whether you're using the entry-level CD5si, the versatile CD5 XS, or the high-performance CDX2, understanding product compatibility is key to building a system that performs at its best.
This guide outlines the key compatibility features of each model, helping you integrate your CD player seamlessly into your hi-fi setup.
1. Analogue Output Options
All Naim CD players offer high-quality analogue outputs for direct connection to integrated or preamplifiers.
Model
RCA Output
DIN Output
CD5si
Yes
Yes
CD5 XS
Yes
Yes
CDX2
Yes
Yes
Tip: For optimal performance with Naim amplifiers, use the DIN output, which offers superior grounding and signal integrity.
2. Digital Output Options
Model
Digital Output
Type
CD5si
No
—
CD5 XS
Yes
BNC (S/PDIF)
CDX2
Yes
BNC (S/PDIF)
The CD5 XS and CDX2 can be used as high-quality CD transports when connected to an external DAC or digital input amplifier.
3. External Power Supply Compatibility
Model
Compatible Power Supplies
CD5si
Not compatible
CD5 XS
FlatCap XS, HiCap, XPS
CDX2
XPS, 555 PS
Adding an external power supply enhances performance by improving power delivery and reducing internal noise. The CDX2 reaches its full potential when paired with the 555 PS.
4. System Automation and Control
All models support System Automation when used with compatible Naim amplifiers. This allows:
Synchronized power on/off
Input switching
Volume control (via Focal & Naim App when paired with streamers)
The CD5 XS and CDX2 also support remote control via the included Naim remote handset.
5. Mechanical and Build Considerations
CD5si: Entry-level model with a focus on simplicity and musicality.
CD5 XS: Features a swing-out drawer mechanism and upgrade path via external PSU.
CDX2: High-end model with a robust chassis, floating suspension, and full upgradeability.
All models use top-quality CD mechanisms and custom Naim filtering and buffering to ensure accurate, musical playback.
Conclusion
Naim’s CD players are built to integrate seamlessly into both classic and modern hi-fi systems. Whether you're starting with the CD5si, expanding with the CD5 XS, or reaching reference-level performance with the CDX2, each model offers a clear upgrade path and broad compatibility with Naim’s ecosystem.
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