Sennheiser XSW 2-835 B: 614-638 MHz

Features
Excellent live sound featuring Sennheiser's renowned evolution microphone capsules
True diversity receiver with metal housing
External antennas
Automatic frequency management and synchronization via
remote channel for easy setup
Fully tunable over a wide range of UHF frequencies
Rackmount kit included
Up to 12 compatible channels

Specs
Receivers
Dimensions approx. 200 x 42 x 127 mm, microphone: approx. 260 x 50 mm
Weight approx. 680g
Power supply 12 V DC nom. / 300 mA

Microphone dynamic
Frequency response 50 to 16,000 Hz (-3 dB)
THD, total harmonic distortion ≤ 0.9%

Microphone
Weight approx. 245g
Power supply 2 AA size batteries, 1.5 V
AF frequency response 80-14,000 Hz