AI-generated product photo — not official manufacturer imagery.

SDR-4000SL

Name: Spectral Audio SDR-4000SL
Brand: Spectral Audio

Spectral Audio

Digital Reference Series

DigitalCD PlayersDACsDiscontinued

Estimated price (community-sourced)

$8,868.60

About the SDR-4000SL

The Spectral SDR-4000SL Reference CD Processor is a limited-edition, high-end CD processor crafted and individually programmed/calibrated by Spectral’s engineering department. It is positioned as the final, most uncompromising generation of Spectral’s SDR digital program and uses a double-balanced DAC architecture, HDCD processing, and a fully discrete analog output stage. The model was introduced at a list price of $19,000 and was produced in limited quantities; it is commonly seen on the used market today.

Specifications

Full structured specifications are available to members.

See the full picture as a member

Create a free account to see where to buy, full structured specifications, similar components, and the systems that pair this with other gear.