Combining rugged, trusted Shure microphones with proven wireless technology, Shure PGX delivers professional quality sound & true freedom of movement for vocalists, musicians, & presenters. With extended range & long battery life, plus easy setup & operation, it’s wireless audio that lets you own the stage—right out of the box. Shure microphones trusted by musicians for over 80 years Up to 300 ft (~100m) range for total wireless freedom Up to 8 hours of continuous product use from 2 AA batteries Scan & sync instantly & automatically sets up the system Microprocessor-controlled diversity for a dependable wireless signal Rugged construction for reliable performance show after show Durable hard shell padded case gets your gear from gig to gig Up to 12 compatible systems per frequency band Operating Range 100 m (300 ft.) under typical conditions. Note: actual range depends on RF signal absorption, reflection & interference. Available Frequencies Between 524 – 865 MHz (Available frequencies depend on applicable regulations in country where system used.) Audio Frequency Response (± 2d B) Minimum: 45 Hz, Maximum: 15 k Hz Maximum Output Level -19 d BV (XLR, mic level), -5 d BV (1/4") Total Harmonic Distortion < 0.5%, typical (ref. ± 38 k Hz deviation, 1 k Hz tone) Dynamic Range >100 d B A-weighted Operating Temperature Range-18°C (0°F) to +50°C (+122°F). Note: battery characteristics may limit this range.