SE Audiotechnik C6 SE User manual

www.se-audiotechnik.de
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MANUAL
C6 SE
SELF-POWERED SUBWOOFER

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32
THANK YOU FOR CHOOSING
.
We are happy to be the solution for your sound reinforcement needs with our professional loudspeaker
systems. The system you have purchased is based on more than 20 years of experience as a speaker
manufacturer and more than 40 years as a speaker developer. It is the sum of German precision and
Chinese e󽘂ciency that guarantees a high-quality and reliable SE AUDIOTECHNIK product.
Please, take the time to carefully read this manual and follow its instructions. It will allow you to get
the most out of your product under safe operating conditions and suggest some care instructions
leading to long-term endurance. Keep this manual in a safe place for further reference!
If you 󽘀nd any mistakes or have further questions or suggestions, please contact us at
[e-mail].
For more information about SE AUDIOTECHNIK products, visit our website www.se-audiotechnik.de.
There you will also 󽘀nd the latest updates to manuals, 󽘀rmware and technical documents for additional
support.
© Copyright by 2022. All rights reserved.
The content of this document is subject to change without prior
notice to improve reliability, function, design or otherwise.

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IMPORTANT SAFETY INSTRUCTIONS 6
PACKAGE CONTENTS 11
INTRODUCTION 12
Features 12
Intended use 13
C6 SE elements 13
QUICK START GUIDE 14
Precautions 14
Extension placement 15
USER INTERFACE 16
Rear Panel: power supply 16
Rear Panel: connectivity and controls 17
Wiring 18
C6 SE SETUP 20
SPECIFICATIONS 21
Technical Speci󽘀cations 21
Mechanical Drawings 22
MANUFACTURER'S DECLARATIONS 23
LIST OF CONTENTS

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IMPORTANT SAFETY INSTRUCTIONS
76
IMPORTANT SAFETY INSTRUCTIONS
GRAPHICAL SYMBOLS IN THIS MANUAL
Symbol for important safety information related with the risk of electric shock.
Symbol to alert the user about important operating or maintenance instructions.
Symbol for important concepts and information for a better understanding of the
functioning of the product.
Symbol for practical tips and ideas useful to ensure the correct use of the product
and improve its operation.
Symbol for an interdiction, which you must follow.
Symbol for con󽘀rmation. Example or guide for secure and correct setup.
Make sure that the result corresponds to what is described in this manual.
The products described in this manual have been engineered and manufactured to ensure your personal
safety. However, IMPROPER USE CAN RESULT IN POTENTIAL ELECTRICAL SHOCK, FIRE HAZARD
AND OTHER HEALTH RISKS. Always follow the basic precautions listed here to avoid the possibility
of serious injury or even death from electrical shock, short-circuiting, damages, 󽘀re or other hazards.
These precautions include, but are not limited to, the following items in this chapter.
CAUTION
RISK OF ELECTRONIC SHOCK
DO NOT OPEN
GRAPHICAL SYMBOLS IN THE PRODUCT
The lightning bolt triangle is used to alert the user to the risk of electric shock.
The exclamation point triangle is used to alert the user to important operating or
maintenance procedures and instructions.
The CE mark indicates the conformity with the relevant EU directives for safety,
health and environmental protection. See the Manufacturer's Declaration section.
The CCC mark indicates the conformity with the relevant Chinese directives for safety,
health and environmental protection.
The RCM mark indicates the conformity with the relevant Australian and New Zealand
requirements for electrical safety, EMC, EME and telecommunications compliance.
THE SGS certi󽘀cation mark indicates conformity with applicable American and
Canadian standards.
Symbol indicating that the equipment is for indoor use only.
Symbol for conformity with Directive 2002/96/EC and Directive 2003/108/EC of the
European Parliament, on waste electrical and electronic equipment (WEEE).

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IMPORTANT SAFETY INSTRUCTIONS
98
ELECTRICAL SAFETY PRECAUTIONS
DO NOT EXPOSE ANY OF THIS EQUIPMENT TO RAIN OR MOISTURE, DRIPPING OR
SPLASHING LIQUIDS. OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHOULD
NOT BE PLACED ON THIS APPARATUS.
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT ATTEMPT TO OPEN ANY PART
OF THE UNIT. THERE ARE NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING
TO QUALIFIED SERVICE PERSONNEL.
EQUIPMENT DESCRIBED IN THIS MANUAL REQUIRE AC POWER SUPPLY. TO COMPLETELY
DISCONNECT THEM FROM THE AC MAINS, DISCONNECT THE POWER SUPPLY CORD PLUG
FROM THE AC RECEPTACLE. THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL
REMAIN READILY OPERABLE.
OVERHEATING PRECAUTIONS
DO NOT PLACE THIS PRODUCT IN DIRECT SUNLIGHT OR NEAR ANY HEAT SOURCE TO
PREVENT OVERHEATING. PROTECTION MAY BE APPLIED AND POWER WILL BE REDUCED
UNTIL THE TEMPERATURE RETURNS TO SAFE VALUES. THE SYSTEM MAY SHUT DOWN IF
MAXIMUM OPERATING TEMPERATURE IS PERMANENTLY EXCEEDED. ALWAYS ENSURE
PROPER AIR CIRCULATION AND PROVIDE SUFFICIENT SHADE. OVERHEATING MAY CAUSE
DAMAGES AND LEADS TO POTENTIAL ELECTRICAL SHOCK, FIRE HAZARD AND OTHER
HEALTH RISKS.
NOISE EXPOSURE PRECAUTIONS
PRODUCTS DESCRIBED IN THIS MANUAL CAN RADIATE HIGH SOUND PRESSURE LEVELS
(SPL), WHICH CAN LEAD TO IRREVERSIBLE HEARING DAMAGE. SE AUDIOTECHNIK
RECOMMENDS TO RESPECT THE TIMES OF EXPOSURE TO HIGH SPL.
Noise level (dBA) 85 94 97 112 127
Max. recommended exposure
time per 24 hours 8 hrs. 1 hr. 30 min. 56 sec. 1 sec.
Noise exposure recommendations according to US National Institute for Occupational Safety and Health (NIOSH).
IMPORTANT SAFETY INSTRUCTIONS
1. Keep these instructions and head all warnings.
2. Read and Follow thoroughly all instructions.
3. Use the product only for the purpose intended by the manufacturer.
4. Use the product only if you are familiar with the product and its application.
5. Observe applicable rules and regulations at the place of use.
6. Do not use this apparatus near water.
7. Clean only with a dry cloth. Disconnect the device from the AC outlet before cleaning.
Do not use paint thinners, solvents, cleaning 󽘁uids, or chemical-impregnated wiping cloths.
8. Do not block any ventilation openings.
9. Install in accordance with the manufacturer's instructions.
10. Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus
(including ampli󽘀ers) that produce heat.
11. Do not defeat the safety purpose of the grounding-type plug. A grounding-type plug has two blades
and a third grounding prong. The third prong is provided for your safety. If the provided plug does
not 󽘀t into your outlet, consult an electrician for replacement of the obsolete outlet.
12. Protect the power cord from being walked on or pinched particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Use the mains plug to disconnect the apparatus from the mains.
15. If the equipment has been exposed to strong 󽘁uctuations in temperature (for example, after
transport), do not switch it on immediately. Moisture and condensation could damage the
equipment.
16. Keep away from objects which may be impaired by an external magnetic 󽘀eld. To avoid the
damage of equipment such as computers, video monitors and magnetic data carriers, they
should be located at least 1 meter away.
17. Only use safety pins, attachments, accessories and adapters speci󽘀ed and/or provided by the
manufacturer.
18. Servicing must be done by quali󽘀ed service personnel only. This is required when the product has
been damaged in any way, such as liquid has been spilled or objects have fallen into the apparatus,
power-supply cord and plug damages, the apparatus has been exposed to rain or moisture, does
not operate as intended, or has been dropped.
19. Do not insert your 󽘀ngers, hands or any other objects into any gaps or openings of the device.
20. When this product reaches its end of life, take it to a collection point designated by local authorities.
The separate collection and recycling of your product at the time of disposal will help conserve
natural resources and ensure that it is recycled in a manner that protects human health and
environment.

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PACKAGE CONTENTS
1110
SPECIFIC SETUP & OPERATION SAFETY INSTRUCTIONS
1. This product is NOT intended to be suspended on chains or ropes.
2. Do NOT use handles or other methods to suspend the system, serious injuries can be the result!
3. Make sure that the equipment is installed securely and cannot fall down.
4. Do not cover the metal panel at the rear side of the subwoofer, as it serves as a heat sink for the
system ampli󽘀er. Keep a minimum distance of 50 cm to any other object for su󽘂cient air󽘁ow.
PACKAGE CONTENTS
The packaging of the C6 SE SELF-POWERED SUBWOOFER includes:
- 1 Subwoofer
- 1 AC power cord with powerCON® connector
- 1 Manual
- 1 QC PASS card
- 1 Warranty card
Figure 1. C-Line C6 SE
Please inspect your product packaging before unboxing it. If it has been damaged during shipping, unbox
the product and check for any visual damage before using it. Notify the shipping company immediately
and contact your SE AUDIOTECHNIK dealer or support center for help and assistance.
Finally, save the shipping carton as evidence for the possible claim, which can be requested only by you.
We also recommend to keep all the packing materials and contents for transportation and storage.

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INTRODUCTION
1312
INTRODUCTION
The C6 SE combines two high performance 10" woofers with an integrated ampli󽘀er and digital signal
processor (DSP). This powerful subwoofer extends the self-powered C6 column system and provides
additional low frequency energy down to 50 Hz. The provided recesses on the top side allow a secure
positioning of the C6 system on the C6 SE subwoofer.
In standalone mode, the C6 SE subwoofer is also a bass enhancement for general speaker systems in
mobile and install applications. For easy setup and implementation, C6 SE is equipped with a Line-Out
connector, transferring the incoming signal from the Line-In and an adjustable low-pass and phase control.
The C6 column system can be extended with the C6 SE subwoofer and con󽘀gured as a stereo system
by connecting a second C6 unit.
Figure 2. C-Line C6 SE self-powered subwoofer and C6 SE self-powered column system.
FEATURES
- Self-powered subwoofer
- Plug & Play setup
- Dedicated C6 extension mode
- Standalone subwoofer mode with adjustable 4th order low pass crossover
- Suitable for PA, installation or monitor applications
- Elegant and unobtrusive design
- Digital signal processing
Professional plug and play subwoofer extension for indoor use with modular structure. Designed to
enhance the C6 column system, but can be used with other 3rd party equipment as well. Ideal for
mobile and install applications in medium sized venues with a few hundred listeners.
C6 SE ELEMENTS
Figure 3. C-Line C6 SE element.
1
2x 10" Subwoofers
Symmetric bass-re󽘁ex design.
2
Built-in ampli󽘀er
Audio inputs and audio outputs.
Level and crossover control.
System settings.
Class-D ampli󽘀cation with 48 kHz/24-bit DSP
and 800 W.
INTENDED USE
12

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QUICK START GUIDE
1514
The ideal placement of your C6 SE subwoofer extension is right beneath the C6 column system. This way
the column system's rubber feet perfectly 󽘀t the recesses on top of the bass extension maintaining stability.
Depending on your application, you may also put the subwoofer extension to either side of the C6 system.
Placement option 1 Placement option 2
Figure 4a. C-Line C6 SE placement under C6 column system. Figure 4b. C-Line C6 SE placement on side of C6 column system.
1
Place the C6 SE extension subwoofer at the
desired location.
2
Place the C6 subwoofer of C6 column system
on top of the C6 SE extension subwoofer.
Ensure that the rubber feet of the C6 subwoofer
󽘀ts into the recesses of the C6 SE extension
subwoofer to maintain stability.
3
Assemble the C6 column system according
to the instructions included in the C6 column
system manual.
1
Place the C6 subwoofer of C6 column system
at the desired location.
2
Assemble the C6 column system according to
the instructions included in the C6 column
system manual.
3
Place the C6 SE extension subwoofer on one
side of the C6 subwoofer of the C6 column system.
Do not place more than one C6 SE subwoofer extension under a C6 column system.
QUICK START GUIDE
This guide brie󽘁y describes the main steps of setting up C6 self-powered column system.
PRECAUTIONS
The subwoofer of C6, as well as the subwoofer
extension C6 SE must be placed on level ground,
standing on its rubber feet.
Ensure adequate cooling during operation
with a minimum distance of 50 cm between
the subwoofer's back panel and other
objects such as walls.
Temp.
0.5 m
Always turn on the C6 system last and turn
it o󽗿 󽘀rst to avoid damaging the speakers.
POWER POWER
Turn ON last
Turn OFF 󽘀rst
Never assemble the system with other than
the intended single subwoofer extension.
EXTENSION PLACEMENT

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USER INTERFACE
1716
EI
J
K
F
G
H
A B D
USER INTERFACE
REAR PANEL: POWER SUPPLY
Figure 5. C-Line C6 SE rear panel.
A PRODUCT INFORMATION
(Explanations can be found in the symbol description at the beginning of this manual).
B PRODUCT SERIAL NUMBER
This code helps to identify your product. This code is also required for customer support.
C POWER SWITCH
Turns the system on/o󽗿.
ON OFF
D powerCON® SOCKET
Plug in the mains cable here. To lock the connector, twist it clockwise.
REAR PANEL: CONNECTIVITY AND CONTROLS
Figure 6. C-Line C6 control panel and connectivity.
F DSP MODE TOGGLE
PSSC IN
(Processed Slave Sub Control)
Mode where C6 controls C6 SE.
SUB PHASE G, LOW PASS I and SUB LEVEL J
are disabled.
LINE IN
Standalone self-powered subwoofer mode.
G SUB PHASE
Switch the phase between 0° & 180° to match
phase response when using C6 SE with other speaker
systems.
H LINE IN
Connect to either C6 system's processed output
"To C6 SE", or to any line level audio source.
E MAIN INDICATORS
PROTECT LED
Indicates that the system has shut down to
protect its components from damage.
The ampli󽘀er output is muted automatically.
LIMIT LED
Red color, indicates that the DSP limiter
is working.
SIGNAL LED
Green color, 󽘁ashes according to the input
signal level.
ON LED
Green color, indicates that the system is
turned on.
I LOW PASS
Adjust the Low Pass Frequency, when in LINE IN
DSP mode.
J SUB LEVEL
Adjust the Sub Level, when in LINE IN DSP mode.
K LINE OUT
Connect another C6 SE or any other 3rd party
self-powered or external powered loudspeaker.
The provided signal is received from the LINE IN
input.
C

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USER INTERFACE
1918
C-Line self-powered systems use powerCON® connectors for the mains power.
Figure 7 shows how to plug-in and connect these wires.
powerCON® IN powerCON IN
L
N LL N
N
powerCON® OUT powerCON OUT
Connection Wiring Scheme
L
N
2
1
2
1
Figure 7. PowerCON® plug-in and wiring scheme.
1 Plug in the powerCON® cable connector into the powerCON® chassis connector.
2 Turn the powerCON® cable connector clockwise until it is locked.
Additionally, they use XLR-3 connectors to input and pass audio signals. They follow the plug-in and
con󽘀guration scheme below:
XLR-3 IN
Connection
Click
XLR-3 OUT
Click 2 11 2
3 3
XLR-3 IN XLR-3 OUT
Wiring Scheme_Cable
Shield HotHot Shield
Cold Cold
Figure 8. XLR-3 plug-in and wiring scheme.
C-Line self-powered systems are also equipped with COMBO-connectors for certain signal connections.
These connectors consists of a combination of a TRS connector and a XLR-3 female connector. This
enables you to use either a TRS-type cable or a XLR-type cable to connect to the input of the system.
PUSH
Hot Shield
Cold
Figure 9a. COMBO-Connector (XLR + TRS).
Shield
Cold
Hot
TRS Male TRS Male
Wiring Scheme
Figure 9b. TRS-type cable wiring scheme.
21
3
XLR-3 Female TRS Male
Wiring Scheme
Shield
Cold
Hot
Figure 9c. TRS-type to XLR-type cable wiring scheme.
WIRING

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C6 SE SETUP
2120
C6 SE SETUP
The C6 SE extension subwoofer can be seamlessly combined with a C6 column speaker system. This
combination provides extended low frequency energy and simply enables C6 to have more bass and
to play louder. Follow the steps outlined below to connect a C6 SE subwoofer to a C6 column system.
If you use two C6 systems to build a stereo setup, add the second C6 SE subwoofer to the second C6
column system in the same way.
1 Place the C6 SE subwoofer at your
desired location and put the C6 subwoofer
on top of it. (see placement section)
2 Set the DSP mode of C6 SE extension
subwoofer to PSSC IN.
3 Use an XLR cable and connect the
TO C6 SE output socket on the C6's
mixer to the LINE IN socket at the back
panel of C6 SE.
4 Plug in the powerCON® cable into the
POWER IN socket on each units' rear side
panel and connect both cables to the mains
outlet.
5 Place both column modules according
to the instruction provided in the C6 column
system manual to the corresponding
connector on top of C6.
6 Connect your audio source/s to the
C6 mixer.
7 Turn the POWER SWITCH of C6 on 󽘀rst
and of C6 SE extension subwoofer second.
The ON LED on each unit should indicate a
constant green light.
Turn down the respective level when you plug in or unplug any audio signal cable.
Always turn down the MAIN LEVEL before powering on or powering o󽗿 C6 column system.
This helps to prevent sudden loud sound exposure and possible hearing damages.
SPECIFICATIONS
TECHNICAL SPECIFICATIONS
ACOUSTICAL
Frequency range (-3 dB) 150 Hz - 250 Hz
Coverage angles (-6 dB) [H x V] Omnidirectional
Maximum Peak SPL 2126 dB
System type 1-way, self-powered
Crossover frequency 250 Hz (C6 extension); 80 Hz - 180 Hz
4th order low pass (standalone mode)
Transducers 2x 10" woofer with 2.5" voice coil
Enclosure type Bass re󽘁ex
AMPLIFICATION
Type Class-D with SMPS
Output power 3800 W
Protection Short circuit, Overheating, Overcurrent, Limiter
Indicators Power on, Signal, Limit, Protect
Connectors Line In: 1x XLR combo jack, balanced
Line Out: 1x XLR, balanced
Power connector: powerCON® 20A
Wiring Pin layout XLR: Pin 2: Signal+; Pin 3: Signal-; Pin 1: Shield
Pin layout TRS: Tip: Signal+; Ring: Signal-; Shaft: Shield
Pin layout powerCON®: Pin N: Neutral;
Pin L: Conductor; Pin E: Earth, Ground
Operating voltage range 100 – 240 VAC, 50/60 Hz
Input sensitivity 0 dBu
DSP 48 kHz/24 bit with extended dynamics
Processing latency: 1.1 ms
Processing Crossover, Limiter, EQ, Level
User controls Power: On/O󽗿 switch; 1x Subwoofer Level; 1x Lowpass Crossover; 1x Mode Switch (PSSC/Line In);
1x Sub Phase Switch 0°/180°
MECHANICAL
Product dimensions
[H x W x D] (Including rigging)
347 x 750 x 532 mm
Net weight 35.5 kg
Packaging dimensions
[H x W x D]
433 x 830 x 615 mm
Total weight 38 kg
Cabinet Subwoofer: Plywood
Cabinet 󽘀nishing Black polyurea coating
Grille Powder coated perforated steel
Hardware 2 side handles embedded in cabinet;
Rubber feet; recesses for C6 column system stacking
ACCESSORIES
C6 TD Transport Dolly for C6 or C6 SE
C6 FC Flightcase for C6 or C6 SE
1 Half space, 1 W / 1m
2 Calculated Max. Peak SPL = Sensitivity + 10log10(output power)
3 According to EIA-426B Standard
Figure 10. Connect C-Line C6 SE subwoofer to C6 column system.
XLR
powerCON®
100-240 V~ 50-60 Hz
Max. 2000 W

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SPECIFICATIONS
2322
MECHANICAL DRAWINGS
Figure 11. C-Line C6 SE self-powered subwoofer dimensions.
532.00 750.00
347.00
MANUFACTURER'S DECLARATIONS
WARRANTY
SE AUDIOTECHNIK gives a warranty of 4 years on SE AUDIOTECHNIK
products. The warranty period begins with the purchasing date. The
warranty applies to material or production defects that occur. Defective
components or products will be repaired or replaced free of charge by
SE AUDIOTECHNIK at its own sole and exclusive discretion during the
warranty period.
NOTE
SE AUDIOTECHNIK does not guarantee the uninterrupted and fault-free
operation of the products.
The warranty does not apply:
- For wear parts and natural abrasion.
- For damage, defects or malfunctions caused by improper use or use
for other than the intended purpose.
- For damage, defects and malfunctions caused by the use of force or
environmental conditions.
- For unauthorized repair e󽗿orts.
REQUESTING WARRANTY SERVICES
The request for warranty service can be submitted to SE AUDIOTECHNIK
or to the dealer from whom the SE AUDIOTECHNIK products were
purchased.
Contact details
SE AUDIOTECHNIK Head o󽘂ce
Neuenhofer Straße 42-44
42657 Solingen
Germany
Phone [phone]
E-Mail [email protected]
In order to claim warranty service, you must provide proof of purcha-
se and allow SE AUDIOTECHNIK to examine the warranty claim (e.g.
sending in the products, examination at an authorized partner). Without
proof of purchase, the provision of a warranty service can be rejected.
IMPORTANT NOTE
Your statutory warranty rights are not a󽗿ected by this warranty.
Furthermore, this warranty has no in󽘁uence on any agreements you
may have concluded with a dealer.
LIMITATION OF LIABILITIES
SE AUDIOTECHNIK is not liable for personal injury, material damage
or claims resulting from inappropriate, dangerous or incorrect use of
the products.
EU DECLARATION OF CONFORMITY
This device complies with the fundamental requirements and other
relevant speci󽘀cations of the directives of the European Union. The
detailed declaration and the list of these directives and harmonized
standards are provided on the website https://se-audiotechnik.de/.
Included are all product variants, as long as they comply with the
original technical design and have not been subsequently modi󽘀ed
mechanically, electrically or in their original condition.
CORRECT DISPOSAL OF PRODUCTS (ELECTRICAL WASTE)
(Applicable in the European Union and other European countries with
separate waste collection systems).
SE AUDIOTECHNIK products must not be disposed of with other waste
at the end of their service life to avoid possible harm to the environment
or human health.
Private users can contact either the dealer from whom they purchased
the products or the local authority for information on environmentally
friendly disposal. Commercial users can contact their supplier, if they
have any questions about disposal.
DECLARATION ON WEEE POLICY
SE AUDIOTECHNIK products are designed and manufactured with high
quality materials and components that are intended to be recyclable
and/or reusable.
SE AUDIOTECHNIK is WEEE registered in accordance with WEEE policy.
LICENSES AND COPYRIGHT
SE AUDIOTECHNIK products may directly or indirectly contain software
that is necessary or complementary for their use. These software
components may be SE AUDIOTECHNIK own developments or licensed
and open-source products and solutions or a combination of the
mentioned. In the case of open-source licenses, SE AUDIOTECHNIK will
provide a copy of the source code and the full text of the corresponding
license upon request in accordance with the license terms. Excluded from
this and protected by copyright are own and licensed software solutions
and software components .

Designed in Germany
Version 2022/07
HEAD OFFICE
Neuenhofer Strasse 42-44
42657 Solingen, Germany
[email protected]
ASIA-PACIFIC DEVELOPMENT CENTER
No. 8 Development Zone Road
Huimin Sub-district, Jiashan County, Zhejiang, 314112, P.R. China
servic[email protected]
www.se-audiotechnik.de
, all rights reserved. The technical data and the functional product characteristics can be subject to modi󽘀cations.
The photocopying, translation, and all other forms of copying of fragments or of the integrality of this user's manual is prohibited.
© 2022 is a registered trademark of Speaker Electronic (Jia Shan) Co. Ltd.
EASE® is a registered trademark of AFMG Technologies GmbH.
Neutrik® and powerCON® are registered trademarks of Neutrik AG.
BLUETOOTH® is a registered trademark of Bluetooth SIG.