AU-A300
Integrated 2 Channel Zone Amplifier
OPERATION MANUAL
DISCLAIMERS
The information in this manual has been carefully checked and is
believed to be accurate. CYP (UK) Ltd assumes no responsibility for any
infringements of patents or other rights of third parties which may result
from its use.
CYP (UK) Ltd assumes no responsibility for any inaccuracies that may be
contained in this document. CYP (UK) Ltd also makes no commitment to
update or to keep current the information contained in this document.
CYP (UK) Ltd reserves the right to make improvements to this document
and/or product at any time and without notice.
COPYRIGHT NOTICE
No part of this document may be reproduced, transmitted, transcribed,
stored in a retrieval system, or any of its part translated into any language
or computer file, in any form or by any means—electronic, mechanical,
magnetic, optical, chemical, manual, or otherwise—without express
written permission and consent from CYP (UK) Ltd.
© Copyright 2011 by CYP (UK) Ltd.
All Rights Reserved.
Version 1.1 August 2011
TRADEMARK ACKNOWLEDGMENTS
All products or service names mentioned in this document may be
trademarks of the companies with which they are associated.
3
SAFETY PRECAUTIONS
Please read all instructions before attempting to unpack, install or operate
this equipment and before connecting the power supply.
Please keep the following in mind as you unpack and install this
equipment:
• Always follow basic safety precautions to reduce the risk of fire,
electrical shock and injury to persons.
• To prevent fire or shock hazard, do not expose the unit to rain,
moisture or install this product near water.
• Never spill liquid of any kind on or into this product.
• Never push an object of any kind into this product through any
openings or empty slots in the unit, as you may damage parts inside
the unit.
• Do not attach the power supply cabling to building surfaces.
• Use only the supplied power supply unit (PSU). Do not use the PSU if
it is damaged.
• Do not allow anything to rest on the power cabling or allow any
weight to be placed upon it or any person walk on it.
• To protect the unit from overheating, do not block any vents or
openings in the unit housing that provide ventilation and allow for
sufficient space for air to circulate around the unit.
REVISION HISTORY
VERSION NO. DATE
v1.00
09/05/13
v1.01
30/08/13
v1.02
01/11/13
v1.03
v1.04
27/02/14
27/04/15
4
SUMMARY OF CHANGE
First release
Corrections to RS-232 Volume
Commands
Corrections to RS-232 Volume
Commands
Added Telnet and Web GUI sections
Minor corrections
CONTENTS
1. Introduction�������������������������������������������6
2. Applications�������������������������������������������6
3. Package Contents����������������������������������6
4. System Requirements���������������������������6
5. Features��������������������������������������������������7
6. Operation Controls and Functions�������8
6.1 Front Panel��������������������������������������������������� 8
6.2 Rear Panel����������������������������������������������������� 9
6.3 Remote Control����������������������������������������10
6.4 OLED Menu������������������������������������������������11
6.5 RS-232 Protocols��������������������������������������12
6.6 RS-232 and Telnet Commands������������12
6.7 Telnet Control��������������������������������������������14
6.8 Web GUI Control��������������������������������������16
7. Connection Diagram�������������������������� 17
8. Specifications�������������������������������������� 18
8.1 Technical Specification��������������������������18
8.2 Audio Specification���������������������������������19
8.3 Amplifier Specification��������������������������19
9. Acronyms��������������������������������������������� 20
5
1. INTRODUCTION
The AU-A300 is a compact 2 channel digital amplifier that is perfect for
providing high quality audio distribution into remote AV zones within any
multi-room installation. This advanced solution can integrate HDMI audio
outputs from a CYP matrix, local inputs (iPod and MP3 etc) via the stereo
and digital inputs and even utilise the audio output from a TV, which is
growing in popularity as a dedicated source within an AV system.
2. APPLICATIONS
Matrix Zone Audio Routing and Amplification
Corporate events
Educational Presentation
Stereo Ceiling Speaker Systems
Analogue to Digital and Digital to Analogue Conversion
HDMI Audio Embedding and de-embedding
3. PACKAGE CONTENTS
1× Integrated Zone Amplifier
1× IR Receiver
1× Remote Control CR-126
1× 24 V/3.75 A DC Power Adaptor and Power Cable
Operational Manual
4. SYSTEM REQUIREMENTS
Input a wide variety of audio and HDMI sources such as DAB radios,
HDTVs, Sonos systems, PCs, Set-top Boxes and output to speakers, an
additional AU-A300 or other amplifiers.
6
5. FEATURES
30W per channel digital stereo Amplifier
Inputs: 2 x HDMI, 1 x L/R Stereo audio, 1 x Optical, 1 x Digital Co-Ax, 1 x
3.5mm Stereo
Outputs: 1 x HDMI, 1 x Optical, 1 x Digital Co-Ax, 1 x L/R Stereo (Line
Level output), Speaker Terminals
Control via remote control, RS-232 or IP (Web GUI or Telnet)
Simultaneous audio outputs
Dedicated Microphone input for commercial applications
Supports Digital to Analogue (DAC) and Analogue to Digital (ADC)
conversion
Compact design for remote application
Supports a wide range of resolutions from 480i to 1080p and VGA to
WUXGA (RB)
Supports HDMI audio loopthrough and video bypass output
Note: Does not support the decoding of Dolby® Digital signals.
7
6. OPERATION CONTROLS AND FUNCTIONS
6.1 Front Panel
MIC
PUSH
UPDATE
Coaxial In
44.1K
->
CONTROL EXIT POWER
-20.0 dB
44.1K
Integrated Zone Amplifier
1
2
3
4
5
6
7
1 MIC: Connect to a microphone or a mono balanced source.
2 UPDATE: Manufacturer use only.
3 OLED: Display current source selection and volume setting.
4 IR WINDOW: Accepts the IR signal from the supplied remote control.
5 CONTROL: Control and direct volume adjustment. Turn the wheel to
directly adjust the volume level when not in the menu or press it to
enter into the menu. Turn the wheel to navigate the menu and press it
again to enter or confirm the selection.
6 EXIT: Press this button to exit the menu. When not in the menu press
this button to mute the output, the LED will illuminate in red. Press it
again to unmute.
7 POWER: Press this button to turn on the device, the LED will
illuminate in blue to indicate that it is powered. Press it again to switch
to standby mode, the LED will turn red to indicate that it is in standby.
8
6.2 Rear Panel
3
5
6
7
9
10
RCA
CONTROL
IR IN
HDMI OUT
1
2
LINE IN
RS-232
HDMI IN 1
COAX.
R
IN
L
R
SPEAKER
OPT. OUT COAX.
-
R
+
OPT.
IN
HDMI IN 2
4
8
-
11
OUT
L
L
+
DC 24V
12
1 CONTROL: Connect to an active network with RJ-45 cable for Telnet/
Web GUI control.
2 HDMI OUT: Connect to HDTV/monitor for both audio and video
display.
3 IR IN: Connect the IR receiver included in the package for receiving
the IR signal from the device’s remote control.
4 HDMI IN 1/2: Connect to HDMI source equipment such as a Set-top
Box or Blu-ray player.
5 RS-232: Connect to a PC/Laptop or control system with D-sub 9-pin
cable for RS-232 control.
6 LINE IN: Connect to an audio source with 3.5mm mini-jack cable for
stereo audio signal input.
7 OPT. and COAX. IN: Connect to source equipment such as a Set-topbox or games console with an optical or coaxial digital output.
8 OPT. and COAX. OUT: Digital audio output. Connect to additional
amplifiers or active speakers.
9 RCA IN: Connect to audio source equipment with an RCA cable for
analogue stereo audio input.
10 RCA OUT: Connect L/R output to active speakers or an additional
AU-A300 with an RCA cable for analogue stereo audio output.
11 SPEAKER L/R: Connect to speakers with standard speaker cable.
12 DC 24V: Connect the 24V DC power supply to the unit and plug the
adaptor into an AC outlet.
9
6.3 Remote Control
1 POWER: Press this button to turn the
device On or to set it into standby mode.
2 MUTE: Press this button to mute the audio
output.
3 VOL. UP (▲) or DOWN (▼): Press these
buttons to turn the output volume up or
down.
4 INPUT: Press these hot keys to switch the
required input source directly.
5 MENU: Press this button to enter the OLED
MENU then press the up or down buttons
to select the required option and press it
again to confirm the selection.
6 EXIT: Press this button to go back one step
or exit from the menu.
10
POWER
MUTE
1
2
MENU
5
3
EXIT
VOL.
6
HDMI 1
HDMI 2
OPTICAL
LR
COAXIAL
LINE
4
INPUT
CR-126
6.4 OLED Menu
MAIN MENU
Function Select
Audio Select
HDMI Setting
SUB MENU
Audio In
HDMI Set
Display Set
MIC Set
Line Out Set
IP Config
Reset to Default
HDMI1
HDMI2
Optical In
Coaxial In
Line In
RCA (L/R) In
Video
Audio
Display Set
Mic Setting
Line Out Setting
IP Configuration
Reset To Default
ADJUSTMENTS
HDMI 1
HDMI 2
HDMI 1
Ext Audio
Timeout 5s
Timeout 10s
Timeout 15s
Off
Normal
Phantom
Line Mode
Volume
Fix Level
Default
IP
SN
GN
OK
Note: Only the corresponding video for the currently selected HDMI audio
input will be output from the HDMI output .
11
6.5 RS-232 Protocols
INTEGRATED ZONE AMPLIFIER
PIN
ASSIGNMENT
1
NC
2
Tx
3
Rx
►
4
NC
◄
5
GND
6
NC
7
NC
8
NC
9
NC
REMOTE CONTROL
PIN
ASSIGNMENT
1
NC
2
Rx
3
Tx
4
NC
5
GND
6
NC
7
NC
8
NC
9
NC
Baud Rate: 115200bps
Data bit: 8 bits
Parity: None
Flow Control: None
Stop Bit: 1
6.6 RS-232 and Telnet Commands
COMMAND
HELP
H
?
PWR S/0/1
SOURCE S/0~5
VOL S/0~-80
MUTE S/0/1
MICVOL S/0~30
12
DESCRIPTION
Display list of commands.
Alias for HELP.
Alias for HELP.
Power control.
S=Status, 0=Off, 1=On
Source in selection.
S=Status, 0=HDMI 1, 1=HDMI 2, 2=Opt, 3=Coax,
4=Line in, 5=RCA in
Output volume setting 0~80db.
S=Show Vol, +=0.5db, ++=2db,=:-0.5db, --=-2db or
0~-80db
Output volume mute control.
S=Status, 0=Unmute, 1=Mute
Mic volume control 0~30db.
S=Show Vol, +=0.5db, -=-0.5db, or 0~30db
COMMAND
MICMODE S/0~3
FADEFAULT
REBOOT
IPCONFIG
RESETIP
SHOWMAC
SHOWTPORT
SHOWHPORT
SIPADD
SNETMASK
SGATEWAY
SHTTPPORT
STELNETPPORT
DESCRIPTION
Mic mode select.
S=Status, 0=Off, 1=Normal, 2=Phantom, 3=Line
mode
Factory default setting.
Reboot the unit.
Print the IP configuration to the screen.
Reset the IP configuration to factory defaults.
Print the MAC address to the screen.
Print the Telnet communication port to the screen.
Print the HTTP communication port to the screen.
Set the IP address.
Set the Net Mask address.
Set the Gateway address.
Set the HTTP communication port (1~62235) [80].
Set the Telnet communication port (1~62235) [23].
Note: RS-232 commands will be not executed unless followed by a carriage
return. Commands are case-sensitive.
13
6.7 Telnet Control
Before using the Telnet control, please ensure that both the Integrated
Zone Amplifier (via the 'CONTROL' port) and the PC/Laptop are connected
to the same active network.
To access the Telnet control in Windows 7, click on the 'Start' menu and
type "cmd" in the Search field then press enter.
Under Windows XP go to the 'Start' menu and click on "Run", type "cmd"
with then press enter.
In the Mac OS X Finder select GoApplicationsUtilitiesTerminal from
the taskbar (See below for reference).
14
Once in the command line interface (CLI) type "telnet", then the IP address
and hit enter.
Note: The IP address of the Integrated Zone Amplifier can be displayed on the
device's OLED monitor by navigating to the IP Config option in the settings
menu.
This will bring us into the device which we wish to control. Type "H" to list
the available commands.
Type “IPCONFIG” to show all IP configurations. To reset the IP, type
“RESETIP”.
Note: All the commands will be not executed unless followed by a carriage
return. Commands are not case-sensitive. If the IP is changed then the IP
Address required for Telnet access will also change accordingly.
15
6.8 Web GUI Control
On a PC/Laptop that is connected to the same active network as the
Integrated Zone Amplifier, open a web browser and type device's IP
address into the web address entry bar. The browser will display the
device's control page.
16
7. CONNECTION DIAGRAM
Smartphone or
Tablet
PC or RS-232
Control System
Set-top Box
CD Player
Analog
Stereo
Input
Digital Optical
and Coaxial
Inputs
Analog
Stereo
Input
RS-232
2nd DCT-23
RCA
CONTROL
IR IN
HDMI OUT
RS-232
HDMI IN 1
LINE IN
COAX.
R
IN
L
R
SPEAKER
OPT. OUT COAX.
-
R
+
OPT.
IR Extender
7m
m
-
OUT
L
L
+
3m
RCA
CONTROL
IR IN
HDMI OUT
RS-232
HDMI IN 1
LINE IN
COAX.
R
IN
L
R
SPEAKER
OPT. OUT COAX.
-
R
+
OPT.
IN
HDMI IN 2
-
OUT
L
L
+
DC 24V
Power Supply
Speaker
Level
Output
Modem/Router
Digital
Coaxial
Output
CAT Cable
Speakers
HDMI
Output
Digital
Optical
Output
HDTV
DC 24V
Analog
Stereo
Output
60°
3m
m
IN
HDMI IN 2
HDMI
Inputs
Blu-ray Player
Active Speakers
Amplifier
DVD Player
17
8. SPECIFICATIONS
8.1 Technical Specification
Input Ports
2×HDMI, 1×Optical, 1×Coaxial, 1×3.5mm
Mini-jack, 2×RCA (Analog Stereo),
1×Microphone, 1×D-sub 9-pin (RS-232),
1×RJ-45 (Control), 1×IR Extender
Output Ports
1×HDMI, 1×Optical, 1×Coaxial, 2×RCA
(Analog Stereo), 1×Speaker
Digital Audio Input/
Output
LPCM 2CH
Stereo Input/Output
Level
2 Vrms ± 0.2
HDMI Cable Distance
Up to 15m@1080p/12-bit
IR Frequency
38 kHz
ESD Protection
Human body model:
±8kV (air-gap discharge)
±4kV (contact discharge)
Power Supply
24 V/3.75 A DC (US/EU standards, CE/FCC/UL
certified)
Dimensions
215 mm (W)×172.5 mm (D)×46 mm (H)
Weight
1060 g
Chassis Material
Aluminum
Silkscreen Color
Black
Operating Temperature Operating from 0 °C ~ 40 °C
Storage Temperature
−20 ˚C ~ 60 ˚C /−4 ˚F ~ 140 ˚F
Relative Humidity
20 ~ 90 % RH (non-condensing)
Power Consumption
82.5 W
Power Output
30 W/Channel@8 Ohm (0.1% THD+N)
18
8.2 Audio Specification
Input
Level/Freq
HDMI 1/2
OPTICAL
COAX
0 dBFS/1 kHz
Analog L/R
Phone Jack
2.0 Vrms/1 kHz
Output
Interface
Output Level
T.H.D+N
Freq
Response
SNR
0 dB±1 dB
<0.01 %
±1 dBFS
>80 dB
2.0Vrms ±10 %
<0.1 %
±1 dBFS
>70 dB
0 dB±1 dB
<0.01 %
±1 dBFS
>80 dB
2.0 Vrms ±10 %
<0.1 %
±1 dBFS
>80 dB
HDMI
OPTICAL
COAX
L/R
HDMI
OPTICAL
COAX
L/R
8.3 Amplifier Specification
19
9. ACRONYMS
ACRONYM
CAT5e
CAT6
COAX
HDMI
OLED
OPT
20
COMPLETE TERM
Category 5 Cable
Category 6 Cable
Coaxial
High-Definition Multimedia Interface
Organic Light-Emitting Diode
Optical
CYP (UK) Ltd., Unit 7, Shepperton Business Park, Govett Avenue, Shepperton,
Middlesex, TW17 8BA
Tel: +44 (0) 20 3137 9180 | Fax: +44 (0) 20 3137 6279
Email: sales@cypeurope.com
www.cypeurope.com
v1.04