Quick start guide
This device is intended to be used for the wireless transmission of audio signals from microphones or
instruments to ampliers, mixers or active speakers. Any other use or use under other operating condi-
tions is considered to be improper and may result in personal injury or property damage. No liability will
be assumed for damages resulting from improper use.
Ensure that plastic bags, packaging, etc. are disposed of properly and are not within reach of
babies and young children. Choking hazard! Ensure that children do not detach any small
parts from the product. They could swallow the pieces and choke! Never let children unat-
tended use electrical devices.
Batteries must not be disposed of as domestic waste or thrown into re. Dispose of batteries
according to national or local regulations regarding hazardous waste. Dispose of empty bat-
teries at appropriate collection sites.
For the transport and protective packaging, environmentally friendly materials have been
chosen that can be supplied to normal recycling. Ensure that plastic bags, packaging, etc. are
properly disposed of. Do not just dispose of these materials with your normal household
waste, but make sure that they are collected for recycling. Please follow the notes and mark-
ings on the packaging.
This product is subject to the European Waste Electrical and Electronic Equipment Directive
(WEEE) in its currently valid version. Do not dispose of your old device with your normal
household waste. Dispose of this product through an approved waste disposal rm or
through your local waste facility. Comply with the rules and regulations that apply in your
country. If in doubt, consult your local waste disposal facility.
Technical specications
the t.bone freeU Twin HT 823 Handheld
(item no. 475141)
the t.bone freeU Twin HT 863 Handheld
(item no. 475143)
Carrier frequency UHF band (600 MHz…952 MHz)
Frequency of operation 823 MHz…832 MHz 863 MHz…865 MHz
Max. transmission power Adjustable in four levels:
PO.1: 5 mW
PO.2: 10 mW
PO.3: 15 mW
PO.4: 30 mW
10 mW
Maximum input level –12 dBV
Bandwidth 9 MHz 2 MHz
Input impedance 5.6 kΩ
Range (free eld) up to 50 m
Number of channels 100 (10 pre-programmed frequency groups,
each with 10 channels available)
16 (4 pre-programmed frequency groups, each
with 4 channels available)
Max. number of parallel systems 2 1
Modulation type Frequency modulation (FM)
Frequency range 50 Hz...16 kHz (±3 dB)
Spurious response rejection ratio > 55 dBc
Peak deviation ± 48 kHz
Power supply 2 × AA cells (LR06, 1.5 V) or corresponding rechargeable batteries
Operating time > 10 h (with alkaline cells)
Dimensions (L × D) 265 mm × 65 mm
Weight (without batteries) 370 g
Ambient conditions Temperature range 0 °C...40 °C
Relative humidity 20 %...80 % (non-condensing)