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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
About the SDR-4000
The Spectral Audio SDR-4000 is a reference CD processor / CD player designed for high-end digital playback. Manufacturer documentation and retailer listings describe it as a compact disc playback component with 44.1 kHz sample rate, four custom 24-bit DACs in a double-balanced configuration, 8x oversampling HDCD-capable digital filtering, and RCA single-ended analog outputs with very low distortion and high signal-to-noise performance. The SDR-4000 was produced in several versions, including the SDR-4000S, SDR-4000Pro, SDR-4000SL, and later limited-edition SDR-4000SV.
Specifications
Key Specifications
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