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Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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Supplied from an external 24V DC (21.6 - 26.4 V) power supply or AC adapter AD-246 (option) or the equivalent
10W (AC operation), 310mA (DC operation)
2 channels, balanced (transformer isolated)/unbalanced changeable, 2KOhms, LINE/MIC changeable, volume adjustable
Rated input: -20dB (LINE)/-60dB (MIC)
PAD function (-16dB), removable terminal block (6 pins)
2 channels, balanced (transformer isolated), 600Ohms or less
Rated output: 0dB (unbalanced input) /-2dB (balanced input), removable terminal block (6 pins)
50Hz - 18kHz (48kHz sampling frequency, PCM, 0 to -6dB deviation referred to 1kHz)
0.2 % or less (1kHz, LINE signal level, at rated output)
73dB or more (LINE signal level, at rated output)
70dB or more (1kHz, LINE signal level, BPF)
WAV file
Maximum 8
Maximum 2 minutes per audio file (16kHz sampling frequency, sub-band-ADPCM, monaural operation)
8 channels, no-voltage make contact input, Open voltage: 24V DC, short-circuit current: 2mA or less, removable terminal block (9 pins) (Only Channel 8 equipped with failure detection)
Connection resistance to make the function inactive: 20kOhms -/+ 5 %
Connection resistance to make the function active: 10KOhms -/+ 5 %
Connector cable: Twisted pair cable (shielded type is recommended)
8 channels, open collector output (polarized), withstand voltage: 30V DC, control current: 50mA max., removable terminal block (9 pins) 2 channels, relay output (non-polar), withstand voltage: 30V DC, control current: 500 mA max., removable terminal block(4 pins)
Network I/F: 10BASE-T/100BASE-TX, Full-duplex/half-duplex Auto-negotiation
Network Protocol: TCP, UDF, ARP, HTTP, RTP, IGMP, FTP, NTP
Audio packet transmission system: Unicast (Up to 16 simultaneous transmissions), multicast (Up to 64 simultaneous transmissions)
Connector: RJ45 connector
Voice sampling frequency: 8kHz, 16kHz, 32kHz, 48kHz (controllable on the software)
Qualifying bit number: 16 bits
Voice encoding method: PCM, sub-band ADPCM (controllable on the software)
Voice packet loss recovery: Silence insertion
Audio delay time: Min. 20 ms
2 channels, Audio input level control (convertible to Audio output level control)
2 channels, audio input, SIGNAL (green)/PEAK (red), 2 channels, audio output, SIGNAL (green) LNK/ACT (green), BUSY (green), STATUS (green), ERROR (yellow), RUN (green)
Reset, grand lift changeable, audio input 2 channels PAD changeable, audio input 2 channels LINE/MIC changeable
For log storage (Max. 10000)
Media: SD/SDHC card (Max. 32 GB)
File system: FAT16. FAT32
Rack, Desk, Surface mount
-10 to 50 deg. C (-14 to 122 deg. F), 0 to 40 deg. C (32 to 104 deg. F) when AC adapter is in use)
90% RH or less (no condensation)
Pre-coated steel plate, black, 30% gloss
210 x 44.3 x 258mm (8.27 x 1.74 x 10.16")
1.7kg (3.75 lbs)
After careful design and engineering, the NX-300 2-Channel Network Audio Adapter with AD-246 AC Power Supply stands as a testament to Toa Electronics' commitment to high-quality and reliable audio equipment. This durable and efficient device utilizes an advanced implementation of Packet Audio streaming technology, similar to the NX-100PS US, but with enhanced broadcast capacity and system expandability.
This user-friendly audio adapter is capable of supporting two separate audio sources, making it a versatile solution for a myriad of professional audio and video applications. It is expertly designed to convert analog audio signals into digital signals and transmit them seamlessly over an Ethernet network using RJ-45 connectors.
The NX-300 2-Channel Network Audio Adapter is not just a piece of equipment; it's a tool for creating expansive PA and announcement systems over any IP network. Its advanced features include WAV file functions, making it an ideal choice for environments that demand high-quality audio transmission. These include railway systems, airports, regional business broadcasts, bank ATMs, parking system communications, and industrial facilities.
Experience the difference of superior audio transmission with the NX-300 2-Channel Network Audio Adapter with AD-246 AC Power Supply, a testament to Toa Electronics' dedication to quality and innovation.
https://www.toaelectronics.com/warranty
650-452-1200