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Creative Sound Blaster Audigy Rx (SB1550)

Creative’s Audigy Rx is a PCI Express x1 7.1 sound card with a dedicated headphone amplifier. SB1550 identifies the card family, not the separate Audigy 4 Pro PCI card.

Original local block schematic showing the Creative Sound Blaster Audigy Rx (SB1550) connection and audio or MIDI signal path
ORIGINAL LOCAL SCHEMATIC // NOT TO SCALE OR PRODUCT PHOTOGRAPH

IDENTIFICATION: Match the complete printed model, revision, bundled breakout, and accessory markings. Specs below describe this named model; family-level variants are not assumed interchangeable.

Specifications

Catalog subcategoryPCI Express sound cards
Product IDCreative Sound Blaster Audigy Rx, SB1550
Bus / hostPCI Express x1 add-in card.
Connectors and I/O7.1-channel analog outputs, microphone/line inputs, optical S/PDIF output, and dedicated headphone output. Map exact jacks using the SB1550 manual and driver panel.
Chipset / conversion / protocolCreative product materials specify 24-bit/192-kHz playback capability and 7.1-channel output. The model-specific material cited here does not identify a complete codec/DSP chip marking, so no unverified silicon part number is assigned.
Drivers / operating systemsCreative Audigy Rx driver and Sound Blaster Audigy Rx Control Panel are for supported Windows releases listed by Creative. Current OS support varies by last driver package; no Linux/macOS driver claim.
Variant compatibilityAudigy Rx SB1550 is PCIe, unlike Audigy 4 Pro SB0380 (PCI). It is not compatible with the external Audigy 4 Pro I/O drive. Verify card label and software product selection.

Service & preservation

Photograph model number and PCIe bracket before installation. Preserve installer and control-panel version with notes about channel mapping. Check headphone jack, optical output, and analog jacks individually.

Identification and compatibility checks

  • Photograph the product/model label, board silkscreen/revision, connector faces, cable assemblies, and accessory part numbers before installation.
  • Check electrical bus and host slot or USB/MIDI protocol support against the exact manual; connector shape alone does not establish compatibility.
  • For analog I/O, confirm line/mic/instrument level, phantom-power behavior, channel map, and direction from the model-specific documentation before connecting equipment.
  • When software or driver support is uncertain, preserve the last known-good installer and document tested host OS, driver version, and device identifier.

Primary manufacturer & standards sources

  1. Creative Audigy Rx product pageManufacturer description for SB1550 card features and supported output modes.
  2. Creative Audigy Rx User GuideManufacturer manual for connections and model-specific setup.
  3. Creative official driver downloadsManufacturer archive; search Audigy Rx/SB1550 and check OS-specific release notes.

Source selection is model-specific where an original manual or vendor product/support page exists. Archived scans preserve manufacturer documentation; operating-system claims are limited to what the cited product/manual materials identify.