Installation Guide
Stereo / Mono Audio Power Amplier - 60 Watts
AT-GAIN-60
The Atlona Gain™ 60 (AT-GAIN-60) is a compact power amplier designed for low or high
impedance applications. A mode selector switch allows the Gain 60 to deliver two channels
of 30 watts each into 4 or 8 ohms, or a single channel of 60 watts at 24, 70,or 100 volts.
This Class-D amplier is energy ecient and convection-cooled without the need for fans.
Additionally, the Gain 60 is UL 2043 plenum-rated, allowing convenient yet discreet installation
in a plenum airspace above a drop ceiling. Selectable balanced captive screw and unbalanced
RCA inputs are provided for system design versatility. The Gain 60 is controllable via TCP/
IP or RS-232, and can be integrated with Atlona AV switchers, HDBaseT™ receivers, and
OmniStream™ AV decoders and audio devices for a wide variety of sound reinforcement
applications.
AT-GAIN-60
Package Contents
1 x AT-GAIN-60
1 x Captive screw connector, 2-pin
1 x Captive screw connector, 3-pin
1 x Captive screw connector, 4-pin
1 x Captive screw connector, 5-pin
1 x 28 V / 3.4 A DC power supply
1 x Installation Guide
IMPORTANT: Visit http://www.atlona.com/product/AT-GAIN-60 for the latest rmware
updates and User Manual.
1
Panel Description
2 4 8 9 11 13 15 16
Front Rear
1 3 5 6 7 10 12 14 17
Installation Guide
AT-GAIN-60
R
L
TX RX
CLASS 2 WIRING
24 / 70 / 100V OUT
-9
-4
L R
-2
-14
-19
-20
-22
dB
INPUT GAIN
CLASS 2 WIRING
DC28VAUDIO IN 2
3.4A
1 PWR
This LED indicator glows solid green when
the unit is powered. When set to standby
mode, this LED indicator glows solid
amber.
2 1 / 2
These LED indicators display the currently
selected input. The active input will be
indicated by a solid green LED.
3 INPUT
Press this button to select the desired
audio input.
4 Mute LED Indicator
This LED indicator will glow solid red
when the audio output is muted.
5 MUTE
Press this button to mute the audio
output. Press the button again to unmute
the audio output.
6 VOL
Press these buttons to adjust the output
volume. Press the top button to increase
volume; press the bottom button to
decrease the volume.
7 Audio Output Indicator
Displays the output audio level. If the
volume level peaks at the red indicator
(0 dB), then clipping will occur.
8 LAN
Connect an Ethernet cable from this port
to the Local Area Network.
9 RS-232
Connect the included 3-pin captive screw
connector from this port to an RS-232
controller or automation system.
10 AUDIO IN 2 (unbalanced)
Connect RCA cables, from an analog line
input, to these ports. Both analog stereo
or two mono connections are supported.
Input impedance is 10 kΩ.
11 AUDIO IN 1
Connect the included captive screw
connector, from a balanced / unbalanced
analog line output, to this port. Input
impedance is 20 kΩ.
12 INPUT GAIN
Turn this pot to adjust the audio input gain
in 4 dB increments.
13 24 / 70 / 100V
Connect the included 2-pin captive screw
connector from this port to a distributed
speaker system. Before connecting the
speakers, set the speaker voltage using
the OUTPUT MODE switch.
14 4 / 8 Ω OUT
Connect the included 4-pin captive screw
connector from this port to a pair of
program / stereo speakers.
Before connecting the speakers, set the
speaker impedance using the OUTPUT
MODE switch.
15 OUTPUT MODE
Slide this switch to set the correct speaker
impedance or voltage setting.
16 RESET
Press this button to reset the unit to
factory-default settings.
17 DC 28V
Connect the included 28 V DC locking
power supply to this power receptacle.
2
Installation Guide
GND GND
Side View Side View
AT-GAIN-60
RS-232 Connector
The AT-GAIN-60 provides RS-232 control between an automation system and an RS-232 device.
This step is optional.
1. Use wire strippers to remove a portion of the cable jacket.
2. Remove at least 3/16” (5 mm) from the insulation of the RX, TX, and GND wires.
3. Insert the TX, RX, and GND wires into correct terminal on the included captive screw block.
TX
RX
GND
5 3 2
Analog Audio Input Connector
The AUDIO IN 1 connector on the AT-GAIN-60 provides the ability to connect either balanced or
unbalanced audio inputs, using the included 5-pin captive screw block.
Balanced audio connections use two signal wires and a ground to minimize interference in audio
signals. Unbalanced audio connections use one signal wire and a ground and are used if system
components don’t support balanced signals.
Balanced Audio using XLR Connectors
2 1
Rear View
Unbalanced Audio using RCA Connectors
3
-
+
-
-
+
GND
3
+
2 1
Rear View
3
-
+
GND
Installation Guide
AT-GAIN-60
Installation
1. Connect an analog audio source to the AUDIO IN ports. Once connected, press the INPUT
button on the front panel, to switch between the RCA and the 5-pin captive screw port.
• RCA cables (unbalanced)
Connect shielded RCA-type cables from the audio source to the AUDIO IN 2 left/right
RCA jacks.
• Balanced/Unbalanced
Connect the included 5-pin captive screw to the AUDIO IN 1 port. Use the desired
wiring conguration, on the previous page.
2. Determine the use-case scenario of the AT-GAIN-60. The AT-GAIN-60 can be congured as
either one of the following. Only one type of speaker connection is permitted at a time.
• Distributed speaker system (high impedance)
Set the OUTPUT MODE switch to the required voltage setting: 24V, 70V, or 100V.
This mode is used for commercial applications and longer speaker cable runs.
• Program speakers / stereo (low impedance)
Set the OUTPUT MODE switch to the impedance setting of the speakers being
connected: 4Ω or 8Ω. This mode is used for consumer applications and shorter
speaker cable runs.
Refer to Connection Diagrams (page 7) for example applications.
Distributed speakers (high-Z)
R
L
TX RX
CLASS 2 WIRING
24 / 70 / 100V OUT
-9
-4
L R
-2
-14
-19
-20
-22
dB
Program / stereo speakers (low-Z)
INPUT GAIN
CLASS 2 WIRING
DC28VAUDIO IN 2
3.4A
NOTE: The AT-GAIN-60 only supports one type of speaker connection at a time:
high-impedance or low-impedance.
3. Connect the speakers to the proper port on the AT-GAIN-60, based on the selection made
in the previous step.
4. Connect the LAN port to a network switch for set up and control of the unit.
5. Connect the included power supply to the DC 28V power receptacle.
6. Connect the IEC power cable to an available electrical outlet.
4
Installation Guide
IP Conguration
By default, the AT-GAIN-60 is set to DHCP mode, allowing a DHCP server (if present) to assign
the unit an IP address.
Switching the IP mode
Press and hold the INPUT button for approximately 10 seconds. Release the button once both
input LED indicators 1 and 2 begin to ash. The number of ashes will indicate the currently
selected IP mode:
INPUT LED indicators
INPUT button
LED ashes Description
Two Static mode IP address: 192.168.1.254
Subnet mask: 255.255.0.0
Gateway: 192.168.1.1
Four DHCP mode
AT-GAIN-60
Resetting to Factory-Default Settings
Press and hold the RESET button, on the back of the unit, for approximately 10 seconds, then
release. The LED indicators on the LAN port will ash and the unit will automatically reboot.
Note that the AT-GAIN-60 will be placed in DHCP mode, as part of the reset procedure.
5
Installation Guide
AT-GAIN-60
AMS 2.0
For easy conguration of Atlona devices, AMS 2.0 is available from https://atlona.com/ams for
free. Two options can be used for installation: The free Linux-based software download or the
easy-to-install server hardware (AT-AMS-HW).
Once AMS has been set up:
1. Open a browser on the same network as AMS 2.0 and go to the IP address of AMS 2.0.
View the AMS 2.0 installation instructions on how to nd the IP address of the software, if
necessary.
2. Enter the login information on the AMS 2.0 web page, then click the Login button.
3. View the AT-GAIN-60 manual for routing and conguration.
Web GUI
The AT-GAIN-60 includes a built-in web GUI, which allows easy management and control of all
features. Follow the instructions below to access the web GUI.
1. Set the IP mode of the AT-GAIN-60. Refer to IP Conguration (page 5) for more
information.
2. Connect an Ethernet cable from the LAN port on the AT-GAIN-60 to the Local Area Network
(LAN).
3. Use an IP scanner to determine the IP address of the AT-GAIN-60.
4. Launch a web browser and enter the IP address of the unit.
5. The AT-GAIN-60 Login page will be displayed.
6. Enter the following information on the Login page.
Login: admin
Password: Atlona
7. Click the Login button.
6
Connection Diagrams
AT-VTP-550-BL
Program / Stereo Speakers Application
Installation Guide
AT-GAIN-60
Program Speakers
2
AT-VGW-250
1
ETHERNET
HDMI OUT
MDP OUT DC 19V
AT-VGW-250
Ethenet
Generic
SPEAKER SYSTEMS
Generic
SPEAKER SYSTEMS
Audio
Audio
Ethernet
LAN
Ethernet / PoE
AT-VTP-800-WH
Distributed Speakers Application
2
1
ETHERNETHDMI OUTMDP OUT DC 19V
AT-VGW-250
Ethernet
AT-VGW-250
Laptop
HDMI
AT-HDVS-210U-TX-WP
AT-HDVS-210U-TX-WP
USB-CHDMI
RS-232
RXTX
PWR
LINK
USB-C
HDMI
LAN
Ethernet / PoE
HDBaseT
Ethernet
Ethernet
AT-GAIN-60
Ethernet
Laptop
Video
Audio
USB-C
DP
HDMI 3
HDMI 4
BYOD
AT-UHD-SW-510W
AT-UHD-SW-510W
Tablet
(BYOD)
DISPLAYINPUT
Video
UHD/HD Display
Audio
AT-HDVS-SC-RX
4K SCALER
LAN
INPUT
>
<
INPUT
1
ENTER
2
PWR
MENU
LINK
AT-HDVS-SC-RX
Control
HDMI
AT-GAIN-60
Audio
Generic
SPEAKER SYSTEMSSPEAKER SYSTEMS
Generic
SPEAKER SYSTEMSSPEAKER SYSTEMS
Generic
SPEAKER SYSTEMSSPEAKER SYSTEMS
Ceiling Speakers
Generic
SPEAKER SYSTEMSSPEAKER SYSTEMS
Display
7
Installation Guide
AT-GAIN-60
Mounting Instructions
Mounting three AT-GAIN-60 units
The following provides instructions for mounting up to three AT-GAIN-60 unit in the AT-RACK-1U
(not included).
1. Turn the AT-GAIN-60 so that the bottom of the unit is facing upward.
2. Locate the two sets of holes on either side of the unit, as shown below:
BOTTOM
Front of unit
Mounting Holes
8
Installation Guide
AT-GAIN-60
3. Mount each of the AT-GAIN-60 units in the rack. Match the mounting holes on the bottom
of each AT-GAIN-60 with the holes in the rack tray, marked in the illustration below.
TOP
Front of rack tray
4. Install the rack tray in the rack shelf and secure the rack tray with two screws on either side.
9
Installation Guide
Mounting two AT-GAIN-60 units
The following provides an alternate method for mounting AT-GAIN-60 units closer together.
This option provides extra space in the AT-RACK-1U (not included) for cabling, etc.
1. Turn the AT-GAIN-60 so that the bottom of the unit is facing upward.
2. Locate the two sets of holes on either side of the unit. Refer to page 7 for the location of
the mounting holes.
3. Mount each of the AT-GAIN-60 units in the rack. Match the mounting holes on the bottom
of each AT-GAIN-60 with the holes marked in the illustration below.
TOP
AT-GAIN-60
Front of rack tray
4. Install the rack tray in the rack shelf and secure the rack tray with two screws on either side.
10
Notes
Installation Guide
AT-GAIN-60
11
Installation Guide
AT-GAIN-60
Version 2
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