 | 3.15 in 0.98 in  | |
| User rating |
 Asus Xonar U3 |  Asus Xonar U5 | |
|---|---|---|
| Sound Type | Stereo | Surround |
| Interface Type | USB | USB |
| Number of channels | 2.0 | 5.1 |
| Asus Xonar U3 | Asus Xonar U5 | |
|---|---|---|
| Analog 3.5mm output | 1 | 4 |
| Analogue RCA outputs | 0 | 0 |
| Headphone output | yes | yes |
| Headphone output (3.5 mm) | 1 | 1 |
| Headphone output (6.3 mm / 1/4) | 0 | 0 |
| Jack Plug input | 0 | 0 |
| Jack Plug output (6,3 mm / 1/4) | 0 | 0 |
| Microphone input | yes | yes |
| Microphone Jack Plug (3.5mm) | 1 | 1 |
| XLR | 0 | 0 |
| Line-in | yes | yes |
| S/PDIF out port | yes | yes |
| Other connectors |
|
|
| USB | yes | yes |
| Asus Xonar U3 | Asus Xonar U5 | |
|---|---|---|
| Width | 1.22 in | 3.15 in |
| Depth | 3.15 in | 5.12 in |
| Asus Xonar U3 | Asus Xonar U5 | |
|---|---|---|
| Placement Type | External | External |
| Asus Xonar U3 | Asus Xonar U5 | |
|---|---|---|
| Noise level (SNR) | 100.0 dB | 101.0 dB |
| Line-out Signal-to-Noise Ratio (SNR) | 105.0 dB | 104.0 dB |
| D/A audio | 16 bit / 48 kHz | 24 bit / 192 kHz |
| Audio quality | 16.0 bit | 24.0 bit |
| Asus Xonar U3 | Asus Xonar U5 | |
|---|---|---|
| Power source | USB | USB |
| Pros | ||
|---|---|---|
| Cons |
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