JKaudio B3 Plus

Industry automatic induction hand patent technology, left hand phone static 3-5 seconds automatically mute (any direction, place both at any Angle), automatic energy saving after 5 minutes, 30 minutes and automatic shutdown completely cut off the power, is a new concept of the intelligent and automatic.

FEATURES
► With floor-on shutdown protection function, with mute on / off button function, automatic mute in 3 seconds, automatic shutdown in 5 minutes

► One-button automatic frequency search, digital pilot.

► Receiver handheld power monitoring.

► Digital ID identification technology to ensure that communication does not interfere with each other.

► The unique digital encryption technology no longer has the trouble of being monitored or eavesdropped off-site.

► Customizable tone adjustment (digital DSP refinement).

► The sound interruption within the effective range is 30-50 meters indoors and 50-80 meters outdoors.

► Five receivers, a total of 10 wireless microphones (or wireless bodypacks) can be used simultaneously.

► The antenna is switched automatically with the received RF signal strength.

► 80 private rooms can be used at the same time.
 

System indicators:

Frequency range: 500-950MHZ

Modulation: Broadband FM

Adjustable range: 60MHZ

Number of channels: 200

Channel interval: 250KHZ

Frequency stability: + 0.005%

Dynamic range: 100dB

Maximum frequency deviation: + 45KHZ

Audio response: 80HZ-18KHZ (± 3dB)

Comprehensive signal-to-noise ratio:> 106dB

Comprehensive distortion: <0.3% will not deteriorate as the receiving distance increases

Working temperature: -10 °C ~ + 40 °C

Receiver specifications:

Receiver mode: secondary frequency superheterodyne

IF frequency: First IF: 110MHZ, 10.7MHZ

Wireless interface: BNC / 50O

Sensitivity: 12dBµV (80DBS / N)

Sensitivity adjustment range: 12-32 dBµV

Spurious suppression:> 75dB

Maximum output level: + 10Dbv

Transmitter specifications:

Wireless program: Pegan transmitter uses 1/4 wavelength whip antenna, handheld microphone built-in spiral antenna

Output power: high power 30mW; low power 3mW Spurious suppression: -60DB

Power supply: two AA batteries No. 5

Operating time: more than 8 hours at 30mW and more than 12 hours at 3mW