Sennheiser XSW 2-835-A Wireless vocal Hand Held system for the budget minded (548-572 MHz)

Receivers

• Dimensions - approx. 200 x 42 x 127 mm, microphone: approx. 260 x 50 mm
• Weight - approx. 680g
• Microphone - dynamic
• Frequency response - 50 to 16,000 Hz (–3 dB)
• THD, total harmonic distortion - ≤ 0.9%
• Pick-up pattern - cardioid
• Signal-to-noise ratio - ≥ 103 dBA
• RF output power - 10 mW
• Switching bandwidth - up to 24 MHz
• Operating time - approx. 10 hrs
• Power supply - 12 V DC nom. / 300 mA
• Housing - Metal, microphone: robust ABS
• Modulation - wideband FM
• Output voltage - 1/4“ (6.3 mm) jack socket (unbalanced): +6 dBu, XLR socket (balanced): +12 dBu
• Frequency - 8 frequency banks, each with up to 12 factory-preset channels
• Frequency range -  A: 548-572 MHz GB: 606-630 MHz B: 614-638 MHz C: 766-790 MHz D: 794-806 MHz E: 821-832 MHz, 863-865 MHz K: 925-937.5 MHz
• Sensitivity - < 3 μV at 52 dB(A)rms S/N
• Squelch - switchable from 3 dBμV to 28 dBμV (via Pilot Tone)
• AF frequency response - 50 to 16,000 Hz (–3 dB)
• Synchronization - 2.4 GHz, Low Power OQPSK (only active during synchronization)
• Line - 20 dB, switchable
• Input sensitivity - 1.5 mV / Pa
• Adjustment Range Transmitter - 0 to -30 dB, adjustable in 10 dB steps
• Audio adjustment range - 40 dB, adjustable in 5-dB steps
• Temperature Range -  operation: 0°C to +40°C storage: –20°C to +70°C
• Receiver Principle - double superheterodyne
• Diversity principle - True Diversity

Microphone

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