The Xvive U2 system offers four channel choices at 2.4 GHz, and up to 100ft line-of-sight range. You can use up to 4 sets of transmitters and receivers with multiple instruments in the same setting, or you can assign multiple receivers to the same channel and use a single transmitter. • Up to 100ft/30 metre line-of-sight transmission range • Frequency Response: 10Hz-20kHz -Delay time: <6ms • Resolution: 24-bit Delta Sigma, 2.4GHz broadcast • A/D conversion: 24-bit low-noise system • Play Time: Approx. 5 hours Recharge Time: Approx. 2 hours • Input/Output: Side-mounted 1/4-inch Jack connector • Use with any Hi-Z 1/4-inch instrument output • Colour: Wood