Creative Sound Blaster Audigy PCIe RX 7.1 Internal Sound Card with High Performance
- 7.1 surround output, internal PCI Express x1 card
- 192kHz maximum sample rate
- 106 dB signal-to-noise ratio
- Headphone amplifier built in, per the title
- Windows 10, 8, 7, Vista and XP listed
- 5.71 x 4.72 x 0.71 inch card, 120 g
Last refreshed Oct 2, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An internal PCIe sound card with a multichannel layout and a headphone amplifier for a desktop PC. The listing gives no box contents or amp details, so confirm those before ordering.
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ASIN: B00EO6X7PGModel: SB1550Category: Internal Sound Cards
Overview
Not an external USB box, this is an internal card that plugs into a PCI Express slot and drives headphones, speakers or a surround setup from a desktop. The listing pairs a seven-channel-plus-subwoofer layout with a high sample rate.
The card brings surround output and a wide list of Windows versions, including older ones, to a desktop. Missing from the data are a package contents list and headphone amp specifics, so the extras are unknown.
Who it's for
A desktop gamer or music listener with a spare slot who wants multichannel output and a headphone jack will use it in place of onboard audio. A laptop owner or someone who needs documented cables and software should check another listing.
Pros and cons
- Surround layout with a subwoofer channel
- Wide Windows version list
- High maximum sample rate
- Slim card, small footprint
- Headphone amp specs missing
- Box contents not listed
Performance notes
The card handles conversion and amplification itself, so audio quality depends on its own converter and signal-to-noise figure rather than the motherboard. Surround output relies on the speaker layout and the Windows driver, and the sample rate caps playback quality. Headphone drive depends on an amplifier whose details the listing does not give.
Where it stands among internal sound cards
- #7 most-searched brand and model of the 8 internal sound cards lines we track (by search demand, not sales).
From the specs of the 15 internal sound cards we list; not a test result.
Specifications
| Brand | Creative |
|---|---|
| Model | SB1550 |
| Dimensions & fit | |
| Item weight | 120 g |
| Dimensions | 5.71 x 4.72 x 0.71 inches |
| Capacity & performance | |
| Audio output mode | 7.1 surround |
| Signaltonoise ratio | 106 dB |
| Compatibility & installation | |
| Hardware connectivity | PCI Express x1 |
| Warranty & support | |
| Warranty description | 1 year limited |
| Other details | |
| Platform | Windows 10, 8, 7, Vista, XP |
| Hardware platform | Headphones, PC, speakers |
| Maximum sample rate | 192 kHz |
Frequently asked questions
What is included with the Creative Audigy RX?
The listing has no package contents line; the included-media field just says item. Brackets, cables and software discs are not named, so check the seller before ordering.
Is the Creative Audigy RX an external USB sound card?
No. It is an internal card with a PCI Express x1 connection, so it needs a free slot in a desktop.
Which Windows versions does the Creative Audigy RX list?
Windows 10, 8, 7, Vista and XP.
Does the Creative Audigy RX drive speakers and headphones?
The listing says it works with headphones, PC and speakers, and the title names a headphone amplifier.