The KEF LS50 Wireless II Bookshelf Speakers redefine the audio experience with advanced technology and versatility. Featuring a Uni-Q Driver Array with a 130mm aluminum cone for low frequencies and a 25mm vented aluminum dome with Metamaterial Absorption Technology for high frequencies, these speakers deliver an exceptional frequency range of 40 Hz to 47 kHz (-6dB). With a powerful amplifier output of 280W for low frequencies and 100W for high frequencies, the LS50 Wireless II achieves a maximum SPL of 108 dB. Equipped with various streaming options like AirPlay 2, Google Chromecast, and Bluetooth 4.2, along with support for streaming services like Spotify and Tidal, these speakers offer flexibility in audio sources. The LS50 Wireless II also accommodates high-resolution sources with network support up to 384kHz/24bit and MQA compatibility. With an elegant design measuring 305 x 200 x 311 mm and a weight of 20.1kg per set, these speakers integrate seamlessly into any space. The connectivity options include HDMI eARC, TOSLINK Optical, USB Type A, and more, providing a comprehensive solution for diverse audio setups. Additionally, the LS50 Wireless II supports Wi-Fi networks, making them a modern and feature-rich audio solution for audiophiles and music enthusiasts.

1. Driver Material:

1. Uni-Q Driver Array with a 130mm (5.25 in.) aluminum cone for low frequencies and a 25mm (1 in.) vented aluminum dome featuring Metamaterial Absorption Technology for high frequencies.

2. SPL Levels:

1. Achieves a maximum Sound Pressure Level (SPL) of 108 dB measured at 1 meter.

3. Impedance Rating:

1. Nominal impedance is not specified, but it supports a variety of input sources.

4. Speaker Type:

1. Two-way bass reflex design with a Uni-Q Driver Array and Metamaterial Absorption Technology.

5. Amplifier Output Power:

1. LF: 280W, HF: 100W per speaker, featuring Class D for low frequencies and Class AB for high frequencies.

6. Wireless Streaming Features:

1. Supports AirPlay 2, Google Chromecast, ROON Ready (upcoming), UPnP compatibility, and Bluetooth 4.2 for versatile wireless connectivity.

7. Streaming Services:

1. Compatibility with popular streaming services including Spotify, Tidal, Amazon Music, Qobuz, Deezer, and more, subject to regional availability.

8. Source Resolution:

1. High-resolution audio support with network capabilities up to 384kHz/24bit, along with optical and coaxial inputs.

9. Dimensions and Weight:

1. Compact design with dimensions of 305 x 200 x 311 mm (12 x 7.9 x 12.2 in.) and a weight of 20.1kg (44.31lbs) per set.

10. Power and Connectivity:

1. Versatile power input from 100 – 240VAC 50/60Hz, with power consumption of 200W (operating power) and <2.0W (standby power). Multiple inputs including HDMI eARC, TOSLINK Optical, Digital Coaxial, USB Type A, RJ45 Ethernet, and more, along with RCA Subwoofer output. Supports dual-band Wi-Fi networks (2.4 GHz / 5 GHz) and secondary speaker inputs for enhanced connectivity options.

Q1: What is the KEF LS50 Wireless II?

A1: The KEF LS50 Wireless II is an all-in-one bookshelf speaker system that combines high-quality sound with advanced wireless connectivity. It’s designed for audiophiles and music enthusiasts looking for a premium audio experience.

Q2: What are the key features of the KEF LS50 Wireless II?

A2: The KEF LS50 Wireless II features Uni-Q driver technology, adjustable sound settings, wireless connectivity (Bluetooth, Wi-Fi, AirPlay 2), multiple input options, room calibration, and a sleek design.

Q3: What is the power output of the KEF LS50 Wireless II?

A3: The LS50 Wireless II delivers a total power output of 380 watts, ensuring powerful and clear audio performance.

Q4: Can I customize the sound of the LS50 Wireless II?

A4: Yes, you can customize the sound using the adjustable EQ settings, allowing you to fine-tune the audio to your preferences or room acoustics.

Q5: Does the KEF LS50 Wireless II support wireless streaming?

A5: Yes, it supports various wireless connections, including Bluetooth, Wi-Fi, and AirPlay 2, making it easy to stream music from your devices.

Q6: What wired input options does it have?

A6: The LS50 Wireless II offers multiple input options, including HDMI ARC, digital optical, analog, and USB inputs, ensuring compatibility with various sources.

Q7: Does it come with room calibration features?

A7: Yes, it includes KEF’s Music Integrity Engine and Room Placement settings for optimizing sound based on your room’s acoustics.

Q8: What is the frequency response of the LS50 Wireless II?

A8: It has a wide frequency response, covering a range from 40Hz to 47kHz, ensuring accurate reproduction of both low and high frequencies.

Q9: What makes the design of the LS50 Wireless II special?

A9: It features a sleek and modern design with a choice of elegant finishes, making it a stylish addition to any room.

Q10: Where can I buy the KEF LS50 Wireless II at the best price?

A10: You can purchase the KEF LS50 Wireless II from authorized dealers and online retailers. Compare prices from different sources to find the best deal that suits your budget.

KEF LS50 Wireless II Info Sheet