Sennheiser XSW 2 - ME3 Headset (BC - 670-694 MHz)

Receivers:
- Dimensions: approx. 200 x 42 x 127 mm
- Weight: approx. 680g
- Power supply: 12 V DC nom. / 300 mA
- Housing: Metal
- AF frequency response: 50 to 16,000 Hz (–3 dB)

Transmitter:
- Dimensions: approx. 71 x 96 x 28 mm
- Weight: approx. 95g
- Operating time: approx. 10 hrs
- Power supply: 2 AA size batteries, 1.5 V
- Housing: robust ABS
- AF frequency response: 50 to 16,000 Hz
- Microphone: condenser
- 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
- Modulation: wideband FM
- Output voltage: 1/4“ (6.3 mm) jack socket (unbalanced): +6 dBu, XLR socket (balanced): +12 dBu
- Diversity reception: True Diversity
- 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, BC: 670-694 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)
- Synchronization: 2.4 GHz, Low Power OQPSK (only active during synchronization)
- Adjustment Range Transmitter: 0 to -30 dB, adjustable in 10 dB steps
- Audio adjustment range: 40 dB, adjustable in 5-dB steps
- Line / Mic level: 20 dB, switchable
- Temperature Range: operation: 0°C to +40°C, storage: –20°C to +70°C
- Receiver Principle: double superheterodyne