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Production: Obsolete
Hire stock: Yes
New stock: No
Used stock: No
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Technical Data

Modulation: FM, stereo
Carrier frequencies: 95/250kHz ą 25kHz FM
AF frequency response: 30 - 18kHz
S/N ratio: 60 dB A rms
THD: <0.8%
Coverage: 40mē

Transmitter: S180:
AF input voltage: 60mV - 20V
Audio input: 3.5 mm stereo jack flying lead 2m
Charging time for battery: approx. 4 h
Charging time (spare battery): approx. 10-12 h
Power supply: 24 V DC via NT20-1UK mains unit
Weight approx: 140 g (without battery)
Dimensions: 120 x 25 x 90mm

Receiver option: HDI450 headphone:
Frequency response: 30 - 22,000 Hz
THD: < 1 %
S/N ratio: typ. 60 dB (A)
Operating time: approx. 8 hrs. per battery
Power supply: BA90 "accuplug" rechargeable battery
Max. SPL: 103 dB
Volume control plus on/off switch
Weight: 160 g

DDA - Disability Discrimination Act compliant

Sennheiser S180
The S180 is a wideband infra-red modulator with an integral radiator for high quality stereo operation. Due to its compact size and relatively low radiating power, the S180 modulator/radiator is an ideal choice for smaller or medium-sized rooms up to 40mē, for covering recesses or for applications which require transmission of audio information to well defined zones, e.g. in living rooms, small offices, meeting rooms, etc. The headset is comfortable for listening over long periods an doffers superior audio quality.

Sennheiser S180 infra-red modulator emitter

Sennheiser HDI450 infra-red receiving headphones


Volume turned to maximum • Signal is missing. Check connection
on headphone but no signal to transmitter. If volume can be adjusted at the headphone socket, adjust volume upward until transmitter is activated.
• Receiver may not be operable.
• Receiver may not be in the range of reception.
Sound is distorted ... • Battery is completely discharged.
Recharge it immediately!
• Volume adjusted at the headphone socket may be too high.
Sound is slightly noisy ... • Transmitter is not positioned in optimum way or connectors are not secured tightly; reception is obstructed.

Price to rent       Full Sennheiser price list     Compare to SET810

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