| Interface Protocol | ISAPI, ISUP, SIP |
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| 音訊碼率 | G.711ulaw（64 Kbps ）/G.711alaw（64 Kbps ）/MP3 （128 Kbps ）/AAC（128 Kbps ） short circuit protection, overcurrent protection, over temperature protection, anti-static electricity protection, surge protection, electrical shock protection |
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| 網絡協議 | IPv4, HTTP, HTTPS , SSL/TLS , DNS, NTP, TCP, UDP, IGMP, ICMP, DHCP, ARP, SSH |
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| Interface Protocol (API) | ISAPI, ISUP, RTP |
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| 額定功率 | 500 W 100 V COM/70 V COM: 50~20000 Hz （±3 dB） RCA Out/3.5 mm out: 50~20000 Hz（±1 dB） THD: ＜0.5%@1 kHz，1/3 rated power SNR: >90 dB 1 EVAC alarm input 1 alarm input |
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| 警報 | 1 alarm output, when the output device connected to the alarm output is normally closed, connect: 1A GND; when the output device connected to the alarm output is normally open, connect: 1B GND. |
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| 網絡接口 | 1 RJ45 10 M/100 M/1000 M adaptive Ethernet port |
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| 本機儲存 | Built-in 4 GB EMMC (Audio file storage is 1 GB.) MIC 1~4: -28 dBV, 4.7 kΩ, unbalance, 6.35 mm jack RCA in 1~4: 0 dBV, 4.7 kΩ, unbalance, RCA pin jack |
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| 音訊輸入 | USB 2.0 × 1 Bluetooth Note: The 6.35 mm jack cannot be wired without connecting a microphone. Constant Voltage Output × 2: 100 V COM & 70 V COM. A single channel supports up to 250 W output. RCA out 1-2: 0 dBV, unbalance, RCA pin jack |
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| Audio Out | 3.5 mm out 1-2: 0 dBV, unbalance, 3.5 mm jack Note：If the constant voltage gear is set to 100 V, the constant voltage output interface(100 V) should be connected to a speaker rated at a voltage of 100 V. Connecting to a speaker rated at a voltage of 70 V could damage the device. USB flash drive indicator (solid white): the device is in USB flash drive mode. Bluetooth Indicator (solid blue): the de |
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| LED 指示燈 | EVAC Alarm Indicator (solid red): the EVAC alarm has been triggered. MIC1 Indicator (solid white): the MIC1 audio input is connected normally. Module Indicator: FLT solid indicates overload or other system faul ts; CLIP solid indicates clipping or other exceptions; SIG solid indicates normal working. Total Volume Knob × 1 ， MIC Input Volume Knob × 4 ， RCA Input Volume Knob × 4 ， Volume Knob Output |
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| USB | FAT32 formatted USB drive: maximum capacity of a single partition is 32 GB EXFAT formatted USB drive: Maximum capacity of a single partition is 256 GB |
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| 供電 | 100 to 240 VAC |
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| 材質 | Front panel: PC+ABS, top and bottom covers: SGCC |
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| 尺寸 | 495.97 mm × 90.89 mm × 473.18 mm (19.53" × 3.58" × 18.63") |
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| 包裝尺寸 | 595 mm × 553 mm × 175 mm (23.43" × 21.77" × 6.89") |
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| 重量 | ≈ 5.6 kg (12.35 lb.) |
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| 連包裝重量 | ≈ 7.6 kg (16.76 lb.) |
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| 顏色 | Black Device × 1 |
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| 包裝清單 | Power Cord × 1 Regulatory Compliance and Safety Information × 1 |
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| 藍牙 | Bluetooth 5.0 ，10 m |
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| 工作溫度 | -10 °C to 50 °C (-14 °F to 122 °F ) |
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| 工作濕度 | ＜90% (No condensation) Standby Consumption: 45 W |
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| 功耗 | Annual Average Consumption: Max. Working Consumption: 110 W (based on the average playing time) This device can only be safely used in the region below 2,000 meters above the sea level |
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