A351M Series Conference System Product Description: 
		
		
			 
		
		
			Convenient, hand-held conference system A351M series, without a central processor. A351M host is the core of the entire system. The system can accommodate up to 60 speakers, and the external PA system can be used for voice amplification. It has microphone auto-off function (microphone open, no sound input for more than 40 seconds, auto close). 2 meters long 8-P262 DIN connection cable, there is an auxiliary audio signal output and recording output, easy to connect other devices. 
		
		
			 
		
		
			 
		
		
			System Features: 
		
		
			 
		
		
			1.The panel adopts buttons to control speaking mode and the number of speakers, breaking the traditional dial control. 
		
		
			2.LCD screen displays working status 
		
		
			3.The number of speakers: 1, 2,3,4,5,6 and full opening 
		
		
			4.7 meeting work modes: ①chairman mode ②first in first out mode ③last in first out mode ④LIMIT mode ⑤FREE mode ⑥responder mode ⑦Apply speaking mode (just for BLS-3505C/D unit) 
		
		
			5.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 (under 255 units) or data extended machine (above 255 units). 
		
		
			6.Equipped with audio parallel output and a 6.3 jack output, conference recording outputs and background music inputs interface. 
		
		
			7.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. 
		
		
			9.RS232 interface can be achieved using computer software to control entire conference system function. 
		
		
			 
		
		
			 
		
		
		
			 
		
		
			Technical Parameters: 
		
		
			 
		
		
			Model: A351M Host 
		
		
			 
		
		
			Frequency response: AC110V- 220V±10% 50Hz 
		
		
			Rated voltage: 100Hz-12.5Hz 
		
		
			Output impedance:  
		
		
			REC:200Ω LINE:200Ω 
		
		
			BALANCE: 300Ω 
		
		
			UNBALANCE: 400Ω 
		
		
			Input impedance: LINE:50KΩ PBIN:50KΩ 
		
		
			S /N Ratio: 100dB (1KHz THD1%) 
		
		
			Size:480*220*85mm 
		
		
			Weight:5.5KG    
		
		
			 
		
		
			 
		
		
			 
		
		
			A3501 Desktop Model: Chairman unit and Delegate unit Microphone 
		
		
			 
		
		
			 
		
		
			1, intelligent digital design control circuit, low power consumption. 
		
		
			2, high-fidelity single-directional condenser microphone core, sound reduction, high definition, low noise; 
		
		
			3, the chairman unit has the right to speak, may at any time to close the other attendance unit. 
		
		
			4, the chairman unit has approved the representative of the key to speak, like the right to show the right. 
		
		
			5, excellent anti-mobile phone interference. 
		
		
			6, no noise touch switch design, flexible operation; 
		
		
			7, unique speaker network design Built-in speaker, can be used for conference loudspeakers and play conference background music. 
		
		
			8, touch switch volume control design, adjustable volume size. 
		
		
			9, the left side of the design has 3.5 audio output, listen to other attend the meeting to speak the content. 
		
		
			10, the conference unit to support hot-swappable function, comes with 2.1 m 8P cable; hand-handle connection mode, easy installation, flexible operation 
		
		
			 
		
		
			 
		
		
			 
		
		
			 
		
		
			Type: capacitance 
		
		
			Polar pattern: one direction 
		
		
			Frequency response: 50Hz-1700Hz 
		
		
			Sensitivity: -45±2dB@1KHz 
		
		
			Input voltage: DC 9V(powered by host) 
		
		
			Min input impedance: 1KΩ 
		
		
			S /N Ratio: 68dB(A) 
		
		
			Output connector: 8P terminal 
		
		
			Input and output wire: 2.1M 8P shielded line 
		
		
			Mic length:290mm 
		
		
			Size:170*130*68mm 
		
		
			Weight:1.15kg
			
				
				
				
					
				
				
					 
				
				
					Please contact us if you need this system more information or need other system accessories
				
				
					(Mixer, Speaker, Sound Frequency shift  etc ... )