Dual channel handheld vocal wireless system from BLX series with QuickScan frequency selection that provides legendary sound and performance, including a dual channel wireless receiver BLX88, two handheld transmitters BLX2 with integrated SM58 capsules, two microphone clips, and a power supply. Industry-standard handheld transmitters with integrated microphone capsule design feature trusted SM58 dynamic capsules, delivering wireless audio with professional clarity and reliability. Capsules provide a frequency response (50 Hz-15 kHz) tailored for vocals, with brightened midrange and bass roll-off, and uniform cardioid pickup pattern that isolates the main sound source and minimizes background noise. Transmitters offer up to 100 m of operating range and up to 14 hours of continuous battery life with 2 AA batteries, and -10dB gain attenuation. Dual channel receiver provides up to 12 compatible systems per frequency band (region-dependent) and one-touch QuickScan frequency selection that quickly locates the best open frequency (in case of interference). It is equipped with XLR and 1/4'' output connectors, a microprocessor-controlled internal antenna diversity and two-colour audio status indicator LED (green for normal audio levels, red for excessive audio levels). Frequency: 662-686 MHz