Ensure that the rear of the speaker is spaced away from the wall by at least 8 inches, allowing the rear port function to be left unimpeded. Due to the UK leaving the EU, some of our delivery partners have changed the way we ship to international and offshore destinations. This means that for the time being we are unable to ship items to these locations.

Kanto YU4 has external dimensions of (Height x Width x Depth) 8.7 x 5.5 x 7.5inch (220.0 x 140.0 x 190.0mm ). Qualcomm aptX is a product of Qualcomm Technologies International, Ltd. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission. aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with permission.

One of the predecessors of the YU4 is the YU, a Bluetooth 4.2-powered bookshelf speaker system that offers impressive sound thanks to its silk-dome tweeter and Kevlar drivers. If your turntable does not have a built in Phono Pre-Amp, use the "Phono" setting on the Phono switch. The Kanto YU4 is a pair of bookshelf speakers with Bluetooth capabilities. This pair is small, compact, and just the right size for an office, home office, or study setup. These speakers are simple but sleek with a matte surface that makes them resistant to scratches, marks, and discoloration. Note that APU is always turned on when power is applied, but will only work after automatic power down. APU will not work if unit is manually switched to standby using the remote or control knob. When connecting audio cables the ON/OFF Switch must be turned OFF. After connecting all cables, the unit can be turned ON.

To get a better perspective on the real life size of Kanto YU4, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).If you do not find the Auto Power-up (APU) feature useful, you can disable it by pressing the Balance Reset button on the remote and holding it for 5 seconds. The Status LED will blink once to indicate that you have disabled the APU feature. To enable the APU if you have disabled it, simply press and hold the Balance Reset button again for 5 seconds. The Status LED will blink twice to indicate that you have enabled the APU. We recommend you read all instructions carefully before using the system and keep them for future reference. Kanto cannot be liable for damage or injury caused by incorrect setup or use of this product. The Edifier R1280DB is a Bluetooth 5.0 speaker made for audiophiles. It comes with high-end components, the latest Bluetooth version, and plenty of inputs (optical audio, coaxial and line-in inputs). You can connect to different inputs simultaneously and use the source feature to swap inputs. Prosonic BT30 Active Bluetooth Bookshelf Speaker When the volume is high, this system can produce noise levels that could permanently damage your hearing. YU4 is a self-powered speaker system. Do not connect the speaker terminals to the speaker intputs of a stereo amplifier. Damage may occur. Use only the power cord provided with the speakers. Connecting Audio Sources

Set the bass and treble levels to the default setting by pressing the EQ reset button on the remote.

Set the volume of the source to its highest level. Low source volume can inadvertently trigger standby mode. Verify that the volume of the speaker is not at its minimum level. Turn the volume up using the knob on the front or the volume controls on the remote. Take your desktop setup to the next level by connecting YU4 to your computer via the RCA, AUX or Optical TOSLINK inputs. The YU4 offers 140 watts of peak power using its built-in Class D amps. Those who have tried the Kanto YU agree that it sounds better than other desktop or bookshelf speakers. The audio sounds rich and loud, making the room look and feel spacious. Set the volume of the source to its highest level. Low source volume can negatively affect dynamic range.