Up to 14 hours of continuous use (2x AA batteries included). Up to 300 feet (100m) transmission radius (line of sight). Quick and easy frequency matching (GROUP and CHANNEL selection buttons).
Two-color transmitter status indicator LED -Green: "Ready" -Rapidly Flashing Red: "Controls Locked" -Solid Red: "Battery Power Low" (less than1 hour remaining) -Flashing Red/Power Down: "Batteries Dead" (replace batteries to repower transmitter). One-touch Quick Scan frequency selection quickly locates the best open frequency (in case of interference). Up to 12 compatible systems per frequency band (region-dependent). Two-color audio status indicator LED -Green: Normal audio levels -Red: Excessive audio levels (overload/clipping). XLR and ¼ output connectors.
Operating Range: 300 ft (91 m) line of sight (actual range depends on RF signal absorption, reflection and interference). H11 Band Frequencies: Between 572 - 596 MHz.
Audio Range: 50 - 15,000 Hz (dependent on microphone type). Transmitter RF Output Power: 10 mW, typical (varies by region). Audio Output Connector: XLR and 1/4 (6.3 mm) unbalanced. Maximum Output Level: -27 dBV (XLR, mic level), -13 dBV (1/4). Battery Life: Up to 14 hours.Dynamic Range: 100 dB A-weighted. System Distortion: 0.5% THD typical ref. +/- 38 kHz deviation, 1 k Hz tone.
Operating Temperature Range: -18°C (0°F) - +50°C (122°F). Power Requirements: -BLX1: 2 AA alkaline or rechargeable batteries(included) -BLX4: 12 - 18 V DC at 150 mA, supplied by external power supply. And other US Territories having a valid United States Postal Service Zip Code.All major credit cards are accepted. We are not responsible for any damage caused by not adhering to the voltage requirements.