The NOVA speakers are the ideal solutions for live performances. They deliver an astonishing power and the output is perfectly clear, warm and deep, adapted to vocal, live or recorded sessions. They are easy to install, light and compact: that's the best you can find for nomad installations without any compromise on quality, power or possibilities. Bluetooth® receiver on channel 3 DSP with 4 Presets (Standard / Vocal / Live / Stage) Wireless stereo by Bluetooth® TWS LINK FOR FULL INFORMATION AND USER MANUAL: NOVA-15A