Crystal Acoustics WiSound 3D-75 User manual

3D-Sound Wireless Speakers
www.CrystalAudio.com
Front View
IR
sensor
Woofer
LED
Display
Left
Front
Tweeter
Left
Tube
Right
Tube
Right
Front
Tweeter
Dial
Button
Dial
Button
Quick Guide
®
Thank you for purchasing Crystal Audio 3D-Sound Wireless speaker
Enjoy 3-Dimensional Sound with spherical sound field 360°
 7 drivers
5.25"/4"Woofers
TECHNICAL SPECIFICATIONS
CONNECTIVITY FEATURES INCLUDED N THE BOX
• Bluetooth® v5.0
• USB2.0 port
up to 32Gb
• HDMI ARC
• AUX In
• OPTICAL In
• 3D-75/3D-74 unit
• User Manual
• Remote Control
• AUX audio cable (3.5mm)
• Power DC adaptor
Power Output (RMS):
Woofer:
Tweeter:
Freq. Response:
Impedance:
Rated Voltage:
Dimensions:
Weight:
3D-75
2x 25W + 50W
5.25” χ1
2” χ6
35Hz - 20KHz
4Ω
AC 110-240V,
50/60Hz
350x135x225mm
4.5kg
3D-74
2x 25W + 50W
4” χ1
1.5” χ6
40Hz - 20KHz
4Ω
AC 110-240V,
50/60Hz
290x115x190mm
2.5kg

Pair it (wireless connection)
You can pair 3D-74/3D-75 with any Bluetooth®enabled device (mobile phone, tablet etc).
1
1. Press the BT button (on the unit/remote con-
trol) to activate Bluetooth Mode. The indication
on the LED Display flashes continuously and the
device automatically searches for available
Bluetooth devices.
2. On your device,
turn BLUETOOTH on
and make it discoverable.
Search for 3D-74/3D-75
and select it.
3. The indication stops flashing.
The devices are now paired.
3D-74
Control it
3
MuteStandby
ON/OFF
Volume Up
Volume Down
AUX Input
HDMI InputOPTICAL Input
(a) Room Reflections Settings
(b) Bass Level Adjustment
Bluetooth Mode
Previous Next
Play/Pause
Connect it
1. HDMI: supports Audio Return Channel
2. USB port: Play music directly from your USB flash drive
3. AUX IN: Connect the 3.5mm audio cable
4. OPTICAL IN: Connect an Optical cable for superb sound
21. HDMI ARC 2. USB port 3. AUX In 4. OPTICAL In
3.5mm
In order to safely
remove your USB flash
drive, please change
the SOURCE before
removing the USB.
�
Volume Control
Bluetooth
Mode
Select
Mode
Play/Pause
NextPrevious
Top Left
Tweeter
Top Right
Tweeter
Standby
On/Off
Top View

Place it
a. Control Reflections from adjacent Walls & large Furniture
1. Press Menu button once to enter rEFL mode (default mode is FREE)
2. Press VOL- or VOL+ to select FREE or rEFL setting
b. Adjust Bass
1. Press Menu button twice to choose Bass setting
2. Press VOL- or VOL+ to adjust Bass
4
Placement Reflections settings Bass
Free
Tabletop
Wall
Corner
Suggested settings for
Room Adaptive Dynamic Equalization
WiSound technology offers
the most advanced 3-Dimensional sound experience, with 3 types of
Room Adaptive Dynamic Equalization
1. 3D-360° Spherical Room Adaptive Equalization
Experience natural and pleasant sound with rich feeling of space, everywhere in the room,
without the narrow sweet spot of the conventional speakers.
2. Dynamic Equalization
Enjoy full sound with dynamic Bass, automatically adjusted even at very low Listening Levels.
3. Reflections Gain Equalization
Listen without sound Distortion and reflection colorations from walls and furniture.
www.WiSound.com

General instructions
Please read these safety instructions before using your device and store them for possible future reference.
1. If the cord is damaged, have it repaired by the manufacturer, its service or a similarly qualified person in order to avoid any hazard.
2. The power supply must be replaced by a new one in case of malfunction, because this power supply is not repairable.
3. The socket outlet shall be installed near the equipment and shall be easily accessible.
4. The product is not intended for use by persons (including children) with reduced physical, sensory or mental capacity.
Persons who have not read the manual, unless they have received explanations by a person responsible for their safety and supervision,
should not use this unit.
5. Children should be monitored to ensure that they do not play with the product.
6. The cord should always be readily accessible.
7. The device should not be exposed to dripping or splashing of water or liquids and no objects filled with liquids,
e.g.flower vases, should be placed on the product.
8. The normal ventilation of the product shall not be impended for intended use.
9. It is recommended to leave a minimum distance of 10 cm around the unit to ensure sufficient ventilation.
10. Open flame sources, such as candles, should not be placed on top of the device.
11. The device is intended for use only in a temperate climate.
12. CAUTION:
Danger of explosion if batteries (Remote Control) are incorrectly replaced or not replaced by the same type or equivalent.
13. Batteries should not be exposed to excessive heat such as sunshine, fire or similar.
14. Different types of batteries, new and used batteries should not be mixed.
15. Batteries must be installed according to the polarity.
16. If the batteries are worn, they must be removed from the product.
17. Batteries must be disposed of safely. Always use the collection bins provided for recycled items in order to protect the environment.
Designed in Europe by Crystal Audio - Assembled in China with the highest quality standards.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG Inc. and any
use of such marks by Crystal Audio is under license. Other trademarks and trade names are those of their
respective owners.
Rear View
HDMI
Input
USB
Port
DC input
OPTICAL
Input
AUX
Input
DECLARATION OF CONFORMITY
Radio equipment and telecommunications terminal equipment, Directive 2014/53/EU
We, Crystal Audio, hereby declare that the products, 3D-74/3D-75 Wireless Speakers,
are in conformity with provisions of the Directive 2014/53/ΕU. The complete text of the
Declaration of conformity can be found on the following webpage: www.CrystalAudio.com