CRYSTAL AUDIO 3D-74 3D-Sound Wireless Speakers User Guide

: June 6, 2024
: CRYSTAL AUDIO

Table of Contents

Pair it (wireless connection)
Connect it
Control it
Place it
General instructions
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

3D-Sound Wireless Speakers

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| 3D-75| 3D-74| CONNECTIVITY FEATURES| INCLUDED N THE BOX
---|---|---|---|---
Power Output (RMS):| 2x 25W + 50W| 2x 25W + 50W| • Bluetooth® v5.0| • 3D-75/3D-74 unit
Woofer:
Tweeter:| 5.25” χ1
2” χ6| 4” χ1
1.5” χ6| • USB2.0 port
√ up to 32Gb| • User Manual
Freq. Response:
Impedance:| 35Hz – 20KHz
4Ω| 40Hz – 20KHz
4Ω| • HDMI ARC| • Remote Control
Rated Voltage:| AC 110-240V,
50/60Hz| AC 110-240V,
50/60Hz| • AUX In| • AUX audio cable (3.5mm)
Dimensions:
Weight:| 350x135x225mm
4.5kg| 290x115x190mm
2.5kg| • OPTICAL In| • Power DC adaptor

Front View

Top View

Pair it (wireless connection)

You can pair 3D-74/3D-75 with any Bluetooth® enabled device (mobile phone, tablet etc).

Press the BT button (on the unit/remote control) to activate Bluetooth Mode. The indication on the LED Display flashes continuously and the device automatically searches for available Bluetooth devices.
On your device, turn BLUETOOTH on and make it discoverable. Search for 3D-74/3D-75 and select it.
The indication stops flashing. The devices are now paired.

Connect it

HDMI: supports Audio Return Channel
USB port: Play music directly from your USB flash drive
AUX IN: Connect the 3.5mm audio cable
OPTICAL IN: Connect an Optical cable for superb sound

Control it

Place it

a. Control Reflections from adjacent Walls & large Furniture

Press Menu button once to enter rEFL mode (default mode is FREE)
Press VOL- or VOL+ to select FREE or rEFL setting

b. Adjust Bass

Press Menu button twice to choose Bass setting
Press VOL- or VOL+ to adjust Bass

Suggested settings for
Room Adaptive Dynamic Equalization

Placement	Reflections settings	Bass
Free

WiSound technology offers the most advanced 3-Dimensional sound experience, with 3 types of

Room Adaptive Dynamic Equalization

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.
Dynamic Equalization Enjoy full sound with dynamic Bass, automatically adjusted even at very low Listening Levels.
Reflections Gain Equalization Listen without sound Distortion and reflection colorations from walls and furniture.

General instructions

Please read these safety instructions before using your device and store them for possible future reference.

If the cord is damaged, have it repaired by the manufacturer, its service, or a similarly qualified person in order to avoid any hazard.
The power supply must be replaced by a new one in case of malfunction because this power supply is not repairable.
The socket outlet shall be installed near the equipment and shall be easily accessible.
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.
Children should be monitored to ensure that they do not play with the product.
The cord should always be readily accessible.
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.
The normal ventilation of the product shall not be impended for intended use.
It is recommended to leave a minimum distance of 10 cm around the unit to ensure sufficient ventilation.
Open flame sources, such as candles, should not be placed on top of the device.
The device is intended for use only in a temperate climate.
CAUTION:
Danger of explosion if batteries (Remote Control) are incorrectly replaced or not replaced by the same type or equivalent.
Batteries should not be exposed to excessive heat such as sunshine, fire, or similar.
Different types of batteries, new and used batteries should not be mixed.
Batteries must be installed according to the polarity.
If the batteries are worn, they must be removed from the product.
Batteries must be disposed of safely. Always use the collection bins provided for recycled items in order to protect the environment.

Rear View

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

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.

www.WiSound.com