Description
LS50 Wireless II is more than a high-performance loudspeaker; it’s the perfect all-in-one speaker system, streaming from any source thanks to wireless compatibility with AirPlay 2, Chromecast and more, plus wired connections for your TV, games console and turntable. Great sound, no strings attached. KEF's 12 generation Uni-Q with Metamaterial Absorption Technology (MAT ™) delivers reduced coloration, less distortion, and a sound that is more transparent and life-like than previously possible.
Specifications -
• Drive Units: Uni-Q Driver Array:
○ LF: 130 mm (5.25 in.) aluminium cone
○ HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology
• Frequency range (-6dB) measured at 85dB/1m: 40 Hz – 47 kHz *Depends on EQ settings
• Frequency response (±3dB): measured at 85dB/1m 45 Hz – 28 kHz *Depends on EQ settings
• Amplifier output power (per speaker): LF: 280W HF: 100W
• Wireless streaming features:
○ AirPlay 2
○ Google Chromecast
○ ROON Ready
○ UPnP Compatible
○ Bluetooth 4.2
• Streaming services:
○ Spotify via Spotify Connect
○ Tidal
○ Amazon Music
○ Qobuz
○ Deezer
○ QQ Music via QPlay
○ Internet Radio
○ Podcast
• Source resolution:
○ Network up to 384kHz/24bit Optical up to 96kHz/24bit
○ Coaxial up to 192kHz/24bit
○ HDMI up to 192kHz/24bit
• Interspeaker connection:
○ Wireless: all sources resampled to 96kHz/24bit PCM
○ Wired: all sources resampled to 192kHz/24bit PCM
• Supported format (all inputs): MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis
• Supported format (network):
○ MQA
○ DSF: DSD64, DSD128, DSD256
○ DFF: DSD64
• Dimensions (HWD per speaker): 305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)
• Weight (per set): 20.1kg (44.31lbs)
• Power input: 100 – 240VAC 50/60Hz
• Power consumption:
○ 200W (operating power)
○ <2.0W (standby power)
• Primary speaker Inputs:
○ HDMI eARC
○ TOSLINK Optical
○ Digital Coaxial
○ Analog 3.5mm Auxiliary
○ USB Type A (service)
○ RJ45 Ethernet (network)
○ RJ45 Ethernet (interspeaker)
• Output: RCA Subwoofer output
• Wi-Fi network standard: Dual-band 2.4 GHz / 5 GHz
• Secondary speaker Inputs:
○ USB Type A (service)
○ RJ45 Ethernet (interspeaker)
Specifications -
• Drive Units: Uni-Q Driver Array:
○ LF: 130 mm (5.25 in.) aluminium cone
○ HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology
• Frequency range (-6dB) measured at 85dB/1m: 40 Hz – 47 kHz *Depends on EQ settings
• Frequency response (±3dB): measured at 85dB/1m 45 Hz – 28 kHz *Depends on EQ settings
• Amplifier output power (per speaker): LF: 280W HF: 100W
• Wireless streaming features:
○ AirPlay 2
○ Google Chromecast
○ ROON Ready
○ UPnP Compatible
○ Bluetooth 4.2
• Streaming services:
○ Spotify via Spotify Connect
○ Tidal
○ Amazon Music
○ Qobuz
○ Deezer
○ QQ Music via QPlay
○ Internet Radio
○ Podcast
• Source resolution:
○ Network up to 384kHz/24bit Optical up to 96kHz/24bit
○ Coaxial up to 192kHz/24bit
○ HDMI up to 192kHz/24bit
• Interspeaker connection:
○ Wireless: all sources resampled to 96kHz/24bit PCM
○ Wired: all sources resampled to 192kHz/24bit PCM
• Supported format (all inputs): MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbis
• Supported format (network):
○ MQA
○ DSF: DSD64, DSD128, DSD256
○ DFF: DSD64
• Dimensions (HWD per speaker): 305 x 200 x 311 mm (12 x 7.9 x 12.2 in.)
• Weight (per set): 20.1kg (44.31lbs)
• Power input: 100 – 240VAC 50/60Hz
• Power consumption:
○ 200W (operating power)
○ <2.0W (standby power)
• Primary speaker Inputs:
○ HDMI eARC
○ TOSLINK Optical
○ Digital Coaxial
○ Analog 3.5mm Auxiliary
○ USB Type A (service)
○ RJ45 Ethernet (network)
○ RJ45 Ethernet (interspeaker)
• Output: RCA Subwoofer output
• Wi-Fi network standard: Dual-band 2.4 GHz / 5 GHz
• Secondary speaker Inputs:
○ USB Type A (service)
○ RJ45 Ethernet (interspeaker)
Used Frequently Asked Questions
- What does used mean? Used products may be unused customer returns that are essentially "new" items, or they may be previously installed products that were returned under warranty or during our return policy period.
- What is the warranty? All of our used items come with a 90-day warranty.
- What's it look like? All of our used items are inspected and graded by our returns team at our facilities. They will test them and grade them to one of four standard gradings: Used Open Box, Used Very Good, Used Good, and Used Acceptable. Please see the following descriptions of each grade - also note that if an item falls under ANY of the criteria for a certain grade, even though the rest of the product is better, we will give it the lowest grade.
- Used Open Box An item in perfect working condition. Original protective wrapping may be missing, but the original packaging is intact and in good condition with minor damage possible. Instructions are included.
- Used Very Good A well-cared-for item with limited use, remains in good working condition. The item may show some limited signs of wear,small scratches,cosmetic blemishes. Item may arrive with damaged packaging or be repackaged and could be missing some accessories.
- Used Good The item shows wear from use, remains in good condition and functions properly. May have damaged packaging or be repackaged. It may be marked, have identifying markings on it, have minor cosmetic damage. It may be missing some parts or accessories.
- Used Acceptable The item is fairly worn but continues to function properly. While repackaged; signs of wear can include aesthetic issues; scratches, dents. The item may have markings on it or show signs of previous use. Item may be missing some parts or accessories.
- Have more questions? Call us, send us a chat, or an email. We'll be able to answer any additional questions you may have.