USBPre 2 - Hi-Fi System Sound Devices - Free user manual and instructions
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| Type of product | USB microphone preamplifier and audio interface |
| Number of channels | 2 (stereo) |
| Analog inputs | 2 x XLR-1/4" combo (microphone or line level) |
| Analog outputs | 2 x XLR (line level), 1 x 1/4" headphone output |
| Digital connectivity | USB 2.0 (Type B), operates as USB Audio Class 2.0 |
| Maximum sample rate | 96 kHz |
| Bit depth | 24-bit |
| Phantom power | +48V, switchable per channel |
| High-pass filter | 80 Hz, 12 dB/octave, switchable |
| Limiter | Analog limiter on each input |
| Headphone output power | 150 mW into 32 ohms |
| Power supply | USB bus-powered or external 5V DC (USB power adapter recommended for high phantom load) |
| Dimensions (W x H x D) | 4.7 x 1.3 x 3.9 inches (120 x 33 x 99 mm) |
| Weight | 0.6 lbs (0.27 kg) |
| Construction | Extruded aluminum chassis with steel end plates |
| Cleaning instructions | Wipe with a dry, soft cloth; avoid liquid cleaners and compressed air |
| Safety notices | Do not expose to moisture; use only with included USB cable; disconnect during electrical storms |
| Spare parts availability | Contact Sound Devices or authorized service centers for repairs; no user-serviceable parts inside |
| Warranty | 2 years limited warranty (check regional variations) |
| Compatible software | Any DAW that supports ASIO, Core Audio, or WASAPI; no driver needed on macOS/iOS, driver required for Windows (included) |
Frequently Asked Questions - USBPre 2 Sound Devices
Can the USBPre 2 provide phantom power for condenser microphones?
Yes, the USBPre 2 has switchable +48V phantom power for each channel, suitable for most condenser microphones.
Does the USBPre 2 work with Windows and Mac?
It is USB Audio Class 2.0 compliant. On macOS/iOS, it works without drivers. On Windows, you need to install the provided driver for full functionality (ASIO support).
How do I connect the USBPre 2 to my computer?
Use the included USB 2.0 cable (Type B to Type A). For best performance, connect directly to a USB port on your computer, not through a hub.
What is the maximum sample rate and bit depth?
The USBPre 2 supports up to 96 kHz sample rate and 24-bit depth, providing high-resolution audio.
Can I use the USBPre 2 with an iPad or iPhone?
Yes, via the Camera Connection Kit (Lightning to USB adapter). The USBPre 2 is class compliant and draws power from the iPad, but additional USB power may be needed for phantom power.
How do I engage the high-pass filter?
Each channel has a dedicated push-button labeled HPF. Press it to activate an 80 Hz high-pass filter, useful for reducing low-frequency rumble.
Does the USBPre 2 have a limiter?
Yes, each input channel features an analog limiter that activates when the input signal is too hot, preventing clipping.
Can I connect a line-level source like a mixer?
Yes, the combo jacks accept both microphone (XLR) and line-level (1/4-inch TS or TRS) signals. Adjust input gain accordingly.
Is the USBPre 2 bus-powered?
It can be powered via USB, but for stable operation with phantom power and high gain, use an external 5V DC power supply (sold separately) via the USB power input.
How do I clean and maintain the USBPre 2?
Use a soft, dry cloth to wipe the exterior. Do not use any liquids, solvents, or compressed air. Keep the unit away from dust and moisture.
User questions about USBPre 2 Sound Devices
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USER MANUAL USBPre 2 Sound Devices
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Product information
Brand : Sound Devices
Model : USBPre 2
Category : Hi-Fi System