BEKRL Bekaa BK-682 / 682A / 682B Discussion-conference system host / built-in amplifier

Products: BEKRL Bekaa BK-682 / 682A / 682B Discussion-conference system host / built-in amplifier / genuine: BK-682 central processor new look not only keeps the tradition of athletic also joined the elements of modern technology HD LCD Microphone on / off status and dynamic level and volume control 8 seconds automatically scroll improve ordinary microphone monotonous and dull variety of operating modes, the electronic switch controls volume control built-in telephone coupler and a variety of audio output interface ◇ each central processing You can connect 75 microphone units, output in three columns in series, plus expansion unit can be connected to 150 microphone units. ◇ restricted mode and free mode selector switch, optional M1, M3, M6, M8 or free mode, in this function, a chairman unit and delegate unit as counting, even while working microphone has reached a preset number, also chairman unit It can work, can also be used to answer occasions. Tel: 15811579922 Technical Phone: 13691447385 QQ online: 164147884 ◇ parallel with audio output, non-parallel output and input interfaces provided background music background music volume and total volume output regulator, high power amplifier, bass regulator. ◇ audio output interface, audio input interface (level adjustable) ◇ meeting recording output interface. ◇ telephone line interface, telephone interface. ◇ Output Impedance: REC: 200Ω, LINE: 200Ω, ◇ BALANCE: 300Ω, NOBALANCE: 400Ω ◇ Input impedance: LINE: 50KΩ, PBIN: 50KΩ ◇ noise ratio S / N: 78dB (1KHz THD1%) ◇ Rated Voltage: AC220V ± 10% 50Hz ◇ Frequency response: 20Hz-20KHz ◇ amplifier power: 120W ◇ Size Size: 485X220X88mm (19 "international standard rack) BK-682A chairman \ BK-682B on behalf of unit ◇ microphone ON / OFF with long life without ◇ noise touch switch electronic switch control volume adjustment ◇ built-in amplifier and hi-fi speakers, the conference PA and background music playing meeting ◇ Built-fidelity sound head capacitance, so that the sound reduction is good, high definition, low noise, high efficiency howling suppression function, super-pickup effect ◇ microphone is turned on, the work lights up red audio header Chairman unit ◇ precedence switch, you can always turn off all nonvoting representative unit ◇ Built-in speaker: 8Ω 1W Φ40mm ◇ Type: Capacitive type ◇ Point: a single point of ◇ Frequency response: 60Hz-16000Hz ◇ Sensitivity: -45 ± 3dB @ 1KHz ◇ Input voltage: 24V (central processor power) ◇ minimum output impedance: 1KΩ ◇ SNR: 68dB (A) ◇ output socket: 8P terminal block, ◇ Input wire: 2.1m 8P shield ◇ Accessories: Wind sponge