Control Unit BKR BLS-351M

BKR BLS-351M

BKR BLS-351M control unit can connect up to 60 microphones simultaneously. The unit has 3 parallel inputs with 20 microphones per channel. BKR BLS-351M is equipped with an LCD screen for easy operation.

Features

• The panel adopts buttons to control speaking mode and the number of speakers, breaking the traditional dial control
• LCD screen displays working status
• The number of speakers: 1, 2, 3, 4, 5, 6 and full opening
• 7 meeting work modes: 1) chairman mode, 2) first in first out mode, 3) last in first out mode, 4) LIMIT mode, 5) FREE mode, 6) responder mode, 7) Apply speaking mode (just for BLS-3505C/D unit)
• The host can connect 60 microphone units, it divide into 4 parallel outputs, each channel can connect 20 units. It also able to connect expansion unit number of extended machine up to 5000 units by power extended machine BLS-350HD(under 255 units) or data extended machine BLS-350HS (above 255 units)
• Equipped with audio parallel output and a 6.3 jack output, conference recording outputs and background music inputs interface
• Built-in telephone coupler input and output ports, and can be used for remote telephone conference. According to the principle of communication, it divide two-way telephone voice signals into inputs and outputs. In order to control the intercom setting of phone call and set aside between the hall
• Back of the controller there is a key for use feedback supporess function or not

Specs

• Frequency response: AC 220 V ±10% 50 Hz
• Rated voltage: 100 Hz-12,5 kHz
• Output impedance
  
  • REC: 200 Ohm
  • LINE: 200 Ohm
  • BALANCE: 300 Ohm
  • UNBALANCE: 400 Ohm
• Input impedance
  • LINE: 50 kOhm
  • PBIN: 50 kOhm
• S/N Ratio: 100 dB (1 kHz, THD 1%)
• Size: 480x220x56 mm
• Weight: 4 kg

User Guide