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The DF-121 2.4Ghz wireless microphone system is designed to help the teacher and students in classroom. This system delivers the teachers sound more clearly and loudly so children do not have to strain to hear, and teacher does not have to talk over the noises in classroom. It helps keeping students' attention and improves behavior as well.
The whole system is easy to operation. Frequency hopping technology enhancing features that the user who wants to confidentiality as well as no crosstalk communication. The pendant and lapel clip microphone can 3600 rotation to adjust a good direction. This design is ideal for teacher to use in classroom. It is totally hand-free and the voice does not drop out even the teacher facing the blackboard or whiteboard. The professional 16-24Bit,32-96kHz sampling rate make sure the excellent voice quality and no distortion.
The DF-121 supports more than1000 sets working synchronously in school and no crosstalk.
Transmission: 2.4Ghz frequency (open and free frequency all over the world)
Matching Mode: Wireless auto scanning, address code matching
Audio Output: Unbalanced/Balanced
Power Dissipation: 5W
Power: AC/9V
Transmit Power: Less 20 dBm
Dimension: 250mmx160mmx45mm
Weight: 600g
DF-121 TX Specification:
Sampling Rate: 16 Bit, 48kHz
Matching Mode: Wireless auto scanning, address code matching
Transmission: 2.4Ghz frequency (open and free frequency all over the world)
Frequency Response: 100-12kHz
Maximum Input Sound Pressure: 100SPL
Transmit Power: Peak is 16dBm, average is less than 8dBm
Manual Volume Control: 20 steps
Battery Power: Lithium battery
Dimension: 69mmx35mmx15mm
Weight: 45g(including battery)
Warranty: 3 years (1 year for battery)
