Owner`s manual

[1] Input 1 (Left channel) and 2 (right channel).
- The gain of input 1 can be adjusted by means of the IN Level 1/3 knob [13].
- The gain of input 2 can be adjusted by means of the IN Level 2/4 knob [14].
- The signal in input 1 is sent to the left input channel of the soundcard and to the left
channel of the Preamplifier output [11].
- The signal in input 2 is sent to the right input channel of the soundcard and to the
right channel of the Preamplifier output [11].
- The phantom power supply for Input 1/2 (3.6 V) can be enabled and disabled by
means of the switch [10]
- Input 1 is wired to the left channel of the Jack input Stereo IN [7], Input 2 is wired
to the right channel of the Jack input Stereo IN [7].
- The level of input 1 can be monitored by means of the left VU-meter [4]. The level of
input 2 can be monitored by means of the right VU-meter [5].
- NOTE: Input 1 is mixed with Input 3. Input 2 is mixed with Input 4.
[2] Input 3 (Left channel) and 4 (right channel).
- The gain of input 3 can be adjusted by means of the IN Level 1/3 knob [13].
- The gain of input 4 can be adjusted by means of the IN Level 2/4 knob [14].
- The signal in input 3 is sent to the left input channel of the soundcard and to the left
channel of Preamplifier output [11].
- The signal in input 4 is sent to the right input channel of the soundcard and to the
right channel of Preamplifier output [11].
- The phantom power supply for Input 3/4 (3.6 V) can be enabled and disabled by
means of the switch [12]
- The level of input 3 can be monitored by means of the left VU-meter [4]. The level of
input 4 can be monitored by means of the right VU-meter [5].
- NOTE: Input 3 is mixed with Input 1. Input 4 is mixed with Input 2.
[3] Output of the Left and Right channels of the Soundcard
- The Stereo OUT Jack [9] left channel is wired to OUT left [3] and the Stereo OUT
Jack [9] right channel is wired to OUT right [3].
[4] VU-Meter left
- It monitors Input signal 1 and Input signal 3 or the Stereo IN left channel.
- It provides a logarithmic 3 dB/step scale.
- It can be configured to show the Output signal by simply connecting the soundcard
in loopback (input 1 or 3 to Out left) using the provided RCA-RCA cable. The output
signal can then be taken from Pre-Amp OUT jack [11] and its level adjusted by means
of the knob [13].
[5] VU-Meter right
- It monitors Input signal 2 and Input signal 4 or the Stereo IN right channel
- It provides a logarithmic 3 dB/step scale.
- It can be configured to show the Output signal by simply connecting the soundcard
in loopback (input 2 or 4 to Out right) using the provided RCA-RCA cable. The output
signal can then be taken from Pre-Amp OUT jack [11] and its level adjusted by means
of the knob [14].
[6] Power supply led
- It lights when the device is connected to the computer usb port.
X4 Owner's Manual - Rev. 1.4 - page 11