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Setting the audio
preferences in your
computer
Windows:
Open the Sound Preferences
in the Control Panel. In
the Manage Audio Devices
window, select “USB Audio
Device” as the default
recording (1) and default
playback (2) device.
Mac OS:
Open the sound preferences
in the system preferences
window. Select “USB Audio
Device” as the sound input
(3) and output (4) device.
Recording and monitoring
1. Use the mic gain level
knob to set an optimal
recording level.
2. Monitor the recording through headphones connected to the headphone output.
TROUBLESHOOTING
Problem Solution
The USB-XLR-48
will not turn on.
Make sure the USB cable is rmly plugged into the USB-XLR-48 and your computer’s USB
port.
Restart the computer.
Make sure the USB port is powered.
The microphone
will not record.
Make sure both ends of the XLR cable are completely plugged into the microphone
and the USB-XLR-48.
If you are using a condenser microphone, press the phantom power button. The LED
should glow blue to indicate that the phantom power is on.
Make sure you have selected the USB-XLR-48 as your input device in your computer’s
audio control panel.
There is no sound
coming from the
headphones.
Make sure your headphones are plugged into the headphone jack on the USB-XLR-48.
Use the “up” volume button to turn up the headphone level on the USB-XLR-48.
If your headphones have their own volume control, make sure the volume is turned up.
Make sure you have selected the USB-XLR-48 (which will appear as “USB Audio
Device”) as the output device in your computer’s audio control panel.
The sound is
distorted.
Turn down the mic gain level on the USB-XLR-48.
If your microphone has a built-in gain control, turn it down.
Move the microphone further away from the source.
INSTRUCTIONS
Getting started
1. Connect the USB-XLR-48 and your computer with the included USB cable.
The LED indicator will glow red.
2. Plug your microphone into the XLR connector of the USB-XLR-48. If you are
using a condenser microphone, press the phantom power button to send
power to the microphone. The LED indicator will glow blue.
3. Plug headphones into the headphone output and adjust the volume to a
comfortable level.
Note: to avoid a burst of high volume, turn down the headphone level before
plugging in your headphones.
SPECIFICATIONS
INPUT XLR
IMPEDANCE ≥ 32Ω
HEADPHONE OUTPUT 1/8” (3.5 mm) stereo
CABLE CONNECTOR 1 USB Type-A male
CABLE CONNECTOR 2 Mini USB male
SAMPLE RATE 44.1 kHz or 48 kHz
BIT DEPTH 16 bit
PHANTOM POWER 48 V
FREQUENCY RESPONSE 20 Hz to 20 kHz
DIMENSIONS (H × W) 4˝ (10.2 cm) × .85˝ (2.2 cm)
CABLE LENGTH 3.3’ (1 m)
WEIGHT 1.6 oz. (45.4 g)
OPERATING SYSTEM Windows XP or later, Mac OSX,
without additional drivers
1. 2.
3. 4.