PA Host Controller (SX-450)

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Product Description SX-450 The SX-450 is an advanced matrix controller that support the functions of a programable timer, MP3 Player, Digital Recorder and Audio Matrix. It is very cost-effective The SX-450 is also very user-friendly with its well-designed operation knob, keys and the instrutive LCD. Main features are: * 8 inputs: 4 audio inputs of CD, MP3, Tuner as well as Emergency input. 1 EMC alarm signal input (6.3 jack). 2 remote-control MIC socket. 1 REC input. * 10 (max 40) channels outputs available for 4 audio sources of CD MP3, Tuner as well as Emergency Alarm. * RS232 COM port for computer control if needed. * Built-in programable MP3 player with 256M flash memory which could be used for sound recording for up to 17 hours. * Built-in programable Timer for auto-broadcasting. * All zones alarm, individual zone alarm and adjacent zones alarm. * All zones paging, individual zone paging and adjacent zones paging. * Distribute BGM to any specific zone / zones or all zones. * 2 remote control MIC for remote paging. * 5 controlled AC power supply outputs * Automatic or manual operation * EMC alarm signal input and through connection by 6.3 jack for all zones alarm. * Optional rack-mount kit Input 4 channels Audio input: 10k ohms, unbalanced. REC: 10kohms, unbalanced Output 10 (max 40) channels output: 600 ohms, unbalanced. Frequency Response 30-20KHZ THD < 0.1% at 1/3 rated power Communication port RS485 speed: 9600dps, RS232 (D-SUB, 9pins) speed: 19200dps Program item number 99 items for each day in a week, 7 programs for a week, cycling weekly MP3 memory 256M MP3 S/N Ratio 95db Monitor Built-in loudspeaker Program Cycle Time One week, 99 tasks for every day in a week Fire Alarm Signal One input and one output for Through connection, shor-circuit signal Controls Power switch, control keys for 10 built-in zones, parameter setting knob Indicator LCD, power LED, channel staus and operational status LEDs dismension 430x310x88mm Power consuption 20W Power requirement AC 220V 50 /60 HZ weight 4.8 kg Working condition Temperature: -10—55ºCrelative humidity: < 95%

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Guangzhou S. T. L. Electric Appliance Co., Ltd.

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