GOTTOMIX AMP-S4 User manual

AMP-S4
Headphone Amplifier

Introductions
Most home recordings involve from one to four people, any or all of whom are
TM
going to need headphone monitoring capability. The GOTTOMIX AMP-S4
Headphone Amplifier can be used for band rehearsals and even home
entertainment, which provides amplification and individual volume control for
up to 4 headsets and can be driven by either line-level or headphone amp
signals, stereo or mono.
TM
Congratulations on your purchasing of GOTTOMIX AMP-S4 Headphone
Amplifier.
Please take a few moments to read the entire manual, and be sure to retain
this document for future reference. Please read and observe all safety
instructions detailed on each page.
Top Panel
1
1 2 345
1. VOL 1: This knob is used to adjust the volume of Output 1. Turn it clockwise
to increase the volume of Output 1, turn it counterclockwise to decrease the
volume of Output 1.
2. VOL 2: This knob is used to adjust the volume of Output 2. Turn it clockwise
to increase the volume of Output 2, turn it counterclockwise to decrease the
volume of Output 2.
3. VOL 3: This knob is used to adjust the volume of Output 3. Turn it clockwise
to increase the volume of Output 3, turn it counterclockwise to decrease the
volume of Output 3.
4. VOL 4: This knob is used to adjust the volume of Output 4. Turn it clockwise
to increase the volume of Output 4, turn it counterclockwise to decrease the
volume of Output 4.
5. Power LED: It is used to indicate the working status of AMP-S4. Whenever
the AMP-S4 is switched on, the LED will illuminate blue.

2
Front Panel
1 2 34
1. Channel 1 Output: It is used to plug in the headphone to the output
channel 1. The volume of Channel 1 is controlled by the knob of Vol 1 on
front panel.
2. Channel 2 Output: It is used to plug in the headphone to the output
channel 2. The volume of Channel 2 is controlled by the knob of Vol 2 on
front panel.
3. Channel 3 Output: It is used to plug in the headphone to the output
channel 3. The volume of Channel 3 is controlled by the knob of Vol 3 on
front panel.
4. Channel 4 Output: It is used to plug in the headphone to the output
channel 4. The volume of Channel 4 is controlled by the knob of Vol 4 on
front panel.
Rear Panel
1 2 34
1. DC Power Input: It is used to connect the power adapter to the AMP-S4.
2. Stereo/Mono Switch: It is used to select whether stereo or mono signal is
sent to the output channels.
3. Stereo RCA Input Connectors: It is used to connect audio devices to the
AMP-S4 as input sources by RCA connectors. The input source will be
distributed to all the 4 output channels.
4. 3.5 mm Input Connectors: It is used to connect audio devices to the AMP-
S4 as input sources by 3.5 mm connectors. The input source will be
distributed to all the 4 output channels.
Remark: If you connect the audio devices to both RCA and 3.5 mm
connectors, the signals will be mixed and sent to all the 4 output channels.

Connections
3
Specifications
Input Connectors: Stereo 3.5 mm TRS connectors, Stereo RCA
connectors
Input Impedance: 22K Ohm
Max. Input Level: + 22 dB
Output Connectors: Stereo 1/4" TRS connectors
Output Impedance: Min. 16 Ohm
Max. Gain: 19 dB/Channel
S/N: > 98 dB
Power Supply: DC 12 - 18V adaptor
Dimensions: 113 x 73 x 40 mm
Headphone Headphone
HeadphoneHeadphone
Power
Adapter
CD Player Computer
Sound Card
or