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DIAMOND XS71U 7.1 Channels 16-bit 48KHz USB Interface Sound Card

  • 7.1 Channels
  • 16-bit 48KHz
  • USB Interface
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Digital optical output provides a multichannel, pure digital, distortion-free signal that can be connected via a single optical digital cable thus eliminating multiple cable connections and ensuring high fidelity audio for your home theater experience. Includes AUDACITY: A multi-track recording/editing studio Audacity can record live audio through a variety of sources, such as a microphone, or line in on the Xtreme Sound card. Level meters help monitor volume levels before, during, and after recording. You can dub over existing tracks to create multi-track recordings. You can Import sound files, edit them, and combine them with other files or with new recordings. Export your recordings in several common file formats, such as WAV and MP3.

Learn more about the Diamond Multimedia XS71U



Audio core

Sample Rate
Digital Audio


Operating Systems Supported
WIN 7 32 , WIN 7 64
WIN2000 , MCE


USB spec. 2.0 full speed compliant
USB audio device class spec. 1.0 and USB HID class spec. 1.1 compliant
IEC60958 spec. compliant (consumer format S/PDIF input and output with loop-back support)
Dolby digital audio streaming via S/PDIF out
USB remote wake-up support
7.1 channel DAC output with 16 bit resolution 3.1 Vpp (1.1 Vrms) biased at 2.25V output swing control and mute function Earphone buffer 2X interpolator for digital playback data to improve quality
2 channel ADC input with 16 bit resolution 3.2 Vpp (or 4.0 Vpp programmed by vendor driver) biased at 2.25V input swing Volume control and mute function
Stereo MIC support with 33dB maximum capability
Recording source select from S/PDIF, MIC, Line-in and summation of MIC, Line-in and front channel
MIC, Line-in monitor from front channel (all channels optional) with volume control and mute function
Master volume control by default; per-channel volume control by C-Media driver
Playback with soft-mute function
Support 48 / 44.1 KHz sampling rate for both playback and recording
MCU support with two-wire serial interface
Volume up / volume down / playback mute HID button
LED indicator pins: operation / recording mute / SCMS protection
Cmedia value added software (multi-channel positional 3D sound, EQ, speaker shifter, etc.)
Embedded USB transceiver and power on reset circuit
Microsoft Vista Premium Level Compliant

Physical Spec



Package Contents
DIAMOND Xtreme Sound 7.1 USB Audio Device
Quick Start Guide
USB Cable

Manufacturer Warranty

5 years limited
5 years limited

Quick Info


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years

Customer Reviews of the Diamond Multimedia XS71U

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  • Michael V.
  • 1/20/2012 2:56:01 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

2 out of 5 eggsXBox Hookup

Pros: Analog works. Laptop to 5.1 speakers nice.

Cons: Wanted to hookup XBox 360 to this via SPDIF. No success. Tried DVD Player hookup via SPDIF. No success. Tried vainly to contact Diamond for support. No Success.

3 out of 9 people found this review helpful. Did you? Yes No

  • bryan n.
  • 8/28/2011 2:31:39 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsline issues? under $50, get this!

Pros: -perfect audio for its price bracket
-louder (closer to line level) than most soundcards up to $40-50
-got rid of line noise

Cons: -no pretentious DAC chipset or OpAmps
-only 48kHz (but how many DVD-Audio discs do you have compared to CDs/FLACs/MP3s?)

Other Thoughts: somehow, after 4-6 years of doing ok with either a Chaintech AV-710 (with sought-after Burr-Brown DACs in the front), followed by brief Onboard, then a Razer AC-1 (legendary CMI8788), i got some hum somewhere in the DAC chain that i just couldn't get rid of. so i got this while i was going to research others, and it's done the job marvelously.

it's also closer to line-level outs than any other card under $50 i've tried. (compare a PS3 or--i assume--Xbox360 analog out to onboard or said pricebracket soundcard, and you won't even come close to a 1/3 the sound all the way up).

so if you're experiencing analog out whine/hissing, get a long USB cable, some 1/8" to RCAs less than a foot (6" preferred) and this, and you should be good to go til we get more competition in the ~$50-60 range of USB DACs. (note: this is 16/48 ... however CDs are 16/44.1; also, of the few DVD-Audio discs i own, most are 24/48. and obv bit depth dithers infinitely more quickly and transparently than freq res

3 out of 3 people found this review helpful. Did you? Yes No

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