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

The YU4 is designed to provide the best quality sound with its enhanced drivers and dome tweeters. The cabinets are handcrafted to make sure you get the best results each time. It connects to almost all audio equipment including a vinyl record player and it can also connect wirelessly via Bluetooth to any smartphone, tablet, or PC.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. 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 Under the hood are the Bluetooth AptX and the Qualcomm apt XTM that will let you stream from any Bluetooth-capable device even when you're across the room. The integrated phono preamp can connect to vintage audio equipment such as turntables and tuners as well as audio receivers, modern home theater systems, and many more.

Kanto YU4 comes with a handheld remote which is obviously very useful to control your powered speakers from a distance. The connection between speaker and device remains active even if input source has changed. For instance, you can switch to another input source (e.g. RCA) and return to Bluetooth operation without losing signal connection and, therefore, do not need to pair with the device again. The space between the two speakers and the distance from the listener is important. If the speakers are positioned too close or too far apart, stereo imaging will not be fully developed.

Enhance any cinematic experience with high-fidelity sound by connecting YU4 to your TV via one of two optical TOSLINK inputs.

One of the natural alternative to the Kanto YU4 is the YU6 which is located one step higher in Kanto's Powered Bookshelf selection. While the speaker can be paired with more than one device, only one device can play and transmit audio signal at a time. When using AUX with a PC, reduce the volume of the speakers and increase the PC volume. Also try connecting the speaker ground terminal to the PC chassis ground if noise persists. Take your desktop setup to the next level by connecting YU4 to your computer via the RCA, AUX or Optical TOSLINK inputs. YU4 is equipped with a RCA connector to provide output signal to a powered subwoofer. Simply connect a single RCA cable from the SUB OUT connection on the YU4 to the AUDIO INPUT on your subwoofer. If your subwoofer has a stereo L/R RCA input, either input will work.

The YU4 has power-saving features with its efficient Signal Detection that will automatically place the unit on standby or to power up when in use. Use the knob at the front of the remote control that comes with the speakers. The remote lets you control volume, tone, inputs, and balance when you connect your devices via Bluetooth. Value for Money – 4.8 out of 5 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. Reconnect the speaker wire between the active speaker and passive speaker and ensure the ends of the speaker wire are fastened securely through the binding posts.