Description
KEF LSX Overview
The KEF LSX Wireless HiFi Speakers are a pair of compact wireless hi-fi speakers that deliver balanced sound, greater resolution, and all-inclusive connectivity. With the LSX you can listen to music, watch movies, or play games on the go.
The LSX speakers are equipped with an advanced digital signal processor (DSP) that offers accurate, high-quality sound. KEF has also included an app for controlling the speakers, which allows you to connect to a wireless network and manage settings using a mobile device. The app also keeps track of the latest firmware.
KEF LSX Features
The sound of the LSX Wireless Bookshelf Speakers is characterized by an openness that's not present in other bookshelf speakers. This gives the music a clearer, more lifelike soundstage. Its air-injected design helps deliver more detail to the music, making it more enjoyable.
The KEF LSX Wireless Bookshelf Speakers come with built-in Bluetooth technology. You can use it to connect with your smartphone and stream audio from your phone to the speakers. The KEF LSX speakers also have an XLR input on the back of each cabinet.
The LSX Wireless Bookshelf Speakers feature an app and a physical remote control for connecting to your music source. The app offers simple volume control and customization settings that optimize the sound output for you. It also offers a reset button for setting up wireless sub-pairing.
KEF LSX Specifications
| Drive Units |
Uni-Q driver array: HF: 19mm (0.75in.) aluminum dome LF/MF: 115mm (4.5in.) magnesium/aluminum alloy cone |
| Frequency Range (-6dB) Measured at 85dB/1m |
49Hz – 47kHz Depends on EQ settings |
| Frequency Response (±3dB) Measured at 85dB/1m |
54Hz – 28kHz Depends on EQ settings |
| Amplifier Output Power (Per Speaker) |
LF: 70W HF: 30W |
| Amplifier Class (Per Speaker) |
LF: Class D HF: Class D |
| Max SPL Measured at 1m | 102 dB |
| Wireless Streaming Features |
AirPlay 2 Google Chromecast ROON Ready UPnP Compatible Bluetooth 4.2 |
| Source Resolution |
Network up to 384kHz/24bit Optical up to 96kHz/24bit USB Type C up to 192kHz/24bit HDMI up to 1.411Mbps PCM *Depends on the source resolution |
| Interspeaker Connection |
Wireless: all sources resampled to 48kHz/24bit PCM Wired: all sources resampled to 96kHz/24bit PCM |
| Supported Format (Network) | MQA^, DSD, FLAC, WAV, AIFF, ALAC, AAC, WMA, MP3, M4A, LPCM and Ogg Vorbis |
| Dimensions (HWD per Speaker) | 240 × 155 × 180 mm (9.5 × 6.1 × 7.1 in.) |
| Power Input | 100 – 240VAC 50/60Hz |
| Power Consumption |
200W (operating power) <2.0W (standby power) |
| Streaming Services |
Spotify via Spotify Connect Tidal via Tidal Connect Amazon Music Qobuz Deezer QQ Music via QPlay Internet Radio Podcast *Depends on services availability in different countries |
| Output | RCA Subwoofer output |
| Wi-Fi network standard | IEEE 802.11a/b/g/n/ac IPv4, IPv6 |
| Wi-Fi Network Frequency Band | Dual-band 2.4 GHz / 5 GHz |
| Secondary Speaker Inputs |
USB Type A (service) RJ45 Ethernet (interspeaker) |
| Output | RCA Subwoofer output |
| Weight (per set) | 7.2kg (15.6lbs) |
