Sennheiser SPECTERA - Sek

| 4 - Specifications
SEK
RF transmission power
• up to 50 mW; countrywise limited
RF channels
• 1
Headphone output
• 3.5 mm TRS jack
• 2 × 300 mW RMS (32 Ω, -40 dB THD, 1 kHz)
Microphone / Instrument / Command input
• 3-pin audio socket
Power supply
• BA 70 rechargeable battery pack
Battery operating time
• up to 7 h (unidirectional microphone use)
• up to 6 h (unidirectional IEM use)
• up to 5 h (bidirectional use)
Dimensions
• approx. 83 x 62 x 21 mm (3.39" x 2.44" x 0.83") (without antenna)
Weight
• approx. 178 g (0.39 lbs) (with BA 70)
• approx. 144 g (0.32 lbs) (without BA 70)
Temperature
• Operation: −10 °C to +50 °C (14 °F to 122 °F)
• Storage: −25 °C to +70 °C −13 °F to 158 °F)
Relative air humidity
• 25 % to 95 % (non-condensing)
147