SPECIFICATIONS

DRIVERS
1″ Silk Dome Tweeters
4″ Kevlar® Drivers

AUDIO
140W Peak Power (70 Watts Total RMS)
Frequency Response: 60 Hz – 20 kHz

Inputs
RCA with Phono Switch
2 x Optical (TOSLINK)
Bluetooth™ 4.0 with Qualcomm® aptX™

OUTPUTS
USB Charge 5V 1A

WHAT'S IN THE BOX
Remote with Batteries
Power Cord
Speaker Wire (16′)
3.5mm Auxiliary Cable (6.5′)
8 x Rubber Feet
Manual

WEIGHTS & MEASUREMENTS
Dimensions (each speaker):
5.5″ W x 7.5″ D x 8.7″ H (14 x 19 x 22 cm)
Net Weight (active): 6.9 lb (3.2 kg)
Net Weight (passive): 5.5 lb (2.5 kg)
1/4″-20 Threaded Mounting Hole
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.
Powered Speakers
YU4
Effortlessly fill your room with rich, spacious sound. Featuring carefully designed 4-inch Kevlar® drivers and 1-inch silk dome tweeters, YU4 faithfully reproduces your favorite tunes, letting you enjoy them to their fullest. Throw on your latest vinyl with a built-in phono preamp, or sit back and stream your carefully curated playlist via Bluetooth™ 4.0 with Qualcomm aptX. Crystal-clear, detailed sound for all to enjoy.
FEATURES
- Bluetooth
- Phono Pre-amp
- Optical Input
- Auxiliary Input






High-performance materials. Exceptional sound.
SILK DOME TWEETERS
YU4’s 1-inch tweeters are made from silk to deliver a high-frequency range that is bright and refined. Their dome shape improves sound dispersion to ensure your ears capture every sound, regardless of where you are in the room.

High-performance materials. Exceptional sound.

Unmatched connectivity.
Inspired by an equal appreciation for digital and analog, YU4 gives you the freedom to enjoy all your devices. Connect a turntable via a built-in phono preamp, transmit high fidelity audio from your computer or TV with Optical TOSLINK, or sit back and enjoy your newly curated playlist with Bluetooth 4.0. With five inputs and a subwoofer output, YU4 brings all your sound to life.
VINYL
Throw on your favorite record.
YU4 comes equipped with a built-in phono preamp, allowing you to easily connect any vintage or modern-day turntable. Toggle between line-level and phono with a simple flip of a switch, and reduce noise using the provided ground terminal.
STREAMING
Play tunes from the palm of your hand.
Featuring integrated Bluetooth 4.0 with Qualcomm® aptX™ technology, YU4 lets you stream high-quality audio directly from any Bluetooth-enabled device. Sit back and enjoy your carefully curated playlist from anywhere in the room.
NEARFIELD
Upgrade your desktop setup.
Take your desktop setup to the next level by connecting YU4 to your computer via the RCA, AUX or Optical TOSLINK inputs.
To reduce vibration and improve soundstaging, use YU4 with S4 desktop speaker stands.
HOME THEATER
Bring your movies to life.
Enhance any cinematic experience with high-fidelity sound by connecting YU4 to your TV via one of two optical TOSLINK inputs.
To ensure your speakers remain stable and properly positioned, place them on SP floor stands.
PHONO PRE-AMP
Throw on your favorite record.
YU4 comes equipped with a built-in phono preamp, allowing you to easily connect any vintage or modern-day turntable. Toggle between line-level and phono with a simple flip of a switch, and reduce noise using the provided ground terminal.

BLUETOOTH 4.0
Stream tunes from the palm of your hand.
Featuring integrated Bluetooth 4.0 with Qualcomm® aptX™ technology, YU4 lets you stream high-quality audio directly from any Bluetooth-enabled device. Sit back and enjoy your carefully curated playlist from anywhere in the room.

NEARFIELD
Upgrade your desktop setup.
Take your desktop setup to the next level by connecting YU4 to your computer via the RCA, AUX or Optical TOSLINK inputs.
To reduce vibration and improve soundstaging, use YU4 with S4 desktop speaker stands.

HOME THEATER
Bring movies to life.
Enhance any cinematic experience with high-fidelity sound by connecting YU4 to your TV via one of two optical TOSLINK inputs.
To ensure your speakers remain stable and properly positioned, by place them on SP floor stands.

Take control of your sound.
Packed with functionality, the YU series remote makes listening to audio more convenient. Quickly switch between sources, tune your sound to fit your space, and control playback while streaming via Bluetooth.

Never miss a beat.
SIGNAL DETECTION
Automatic standby and power-up mode conserves power when you’re away and continues playback when your music starts playing.
EASY CHARGING
Use the provided USB charging port to conveniently power your phone, smart home or casting device directly through your speakers.
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YU4 Powered Speakers
Includes
Remote with Batteries | Power Cord | Speaker Wire (16′) | 3.5mm Auxiliary Cable (6.5′) | 8 x Rubber Feet | Manual
Get more out of your speakers.
With 16 degrees of tilt, S4 desktop speaker stands ensure you experience the full range of frequencies your speakers have to offer.

Silk Dome Tweeters
YU4’s 1-inch tweeters are constructed from silk to deliver a high-frequency range that is bright and refined. Their dome shape improves sound dispersion to ensure your ears capture every sound, regardless of where you are in the room.
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