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TOA Electronics NX-300 2-Channel Network Audio Adapter with AD-246 AC Power Supply

SKU: TONX300PS MFR: NX300PS
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Key Features

  • Capture pristine audio with this 2-channel network audio adapter, ensuring low latency.
  • Seamlessly integrate with your existing audio setup using balanced, transformer-isolated inputs.
  • Utilize the NX-300 as a versatile audio converter for various digital audio interface needs.
  • Enjoy flexible network connectivity with 10/100BASE-TX, perfect for studio and live settings.
  • Remotely manage audio via network protocols like TCP, UDP, and HTTP for efficient control.
  • Store up to 8 audio files directly on the adapter for quick access during performances.
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TOA Electronics NX-300 Specifications

  • Power Source

    Supplied from an external 24V DC (21.6 - 26.4 V) power supply or AC adapter AD-246 (option) or the equivalent

  • Power/Current Consumption

    10W (AC operation), 310mA (DC operation)

  • Audio Input

    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)

  • Audio Output

    2 channels, balanced (transformer isolated), 600Ohms or less
    Rated output: 0dB (unbalanced input) /-2dB (balanced input), removable terminal block (6 pins)

  • Frequency Response

    50Hz - 18kHz (48kHz sampling frequency, PCM, 0 to -6dB deviation referred to 1kHz)

  • Distortion

    0.2 % or less (1kHz, LINE signal level, at rated output)

  • Signal to Noise Ratio

    73dB or more (LINE signal level, at rated output)

  • Separation

    70dB or more (1kHz, LINE signal level, BPF)

  • Audio Format

    WAV file

  • Number of Storable Audio Files

    Maximum 8

  • Storable Time of Audio File

    Maximum 2 minutes per audio file (16kHz sampling frequency, sub-band-ADPCM, monaural operation)

  • Control Input

    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)

  • Control Input Failure Detection Section

    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)

  • Control Output

    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 Section

    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)

  • Network Section (Cont.)

    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

  • Operation

    2 channels, Audio input level control (convertible to Audio output level control)

  • Indicator

    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)

  • Setting Switch

    Reset, grand lift changeable, audio input 2 channels PAD changeable, audio input 2 channels LINE/MIC changeable

  • SD Section

    For log storage (Max. 10000)
    Media: SD/SDHC card (Max. 32 GB)
    File system: FAT16. FAT32

  • Installation Method

    Rack, Desk, Surface mount

  • Operating Temperature

    -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)

  • Operating Humidity

    90% RH or less (no condensation)

  • Finish

    Pre-coated steel plate, black, 30% gloss

  • Dimensions (WxHxD)

    210 x 44.3 x 258mm (8.27 x 1.74 x 10.16")

  • Weight

    1.7kg (3.75 lbs)

About TOA Electronics NX-300

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.

TOA Electronics NX-300 Features

  • Transmits 16 bit audio w/sample rates up 48kHz for better than CD audio quality
  • Up to 500 NX-300s can be connected to each other via LAN or WAN
  • Up to 1,000 links can be established and broadcast patterns
  • Up to 64 NX-300s can be programmed for use over extremely wide areas
  • High or low broadcast priority can b set to allow for paging override with alert tones, or announcements
  • Broadcast patterns may be activated via contact closures or via the on-screen GUI
  • Dual-channel capable of bi-directional (full-duplex) dual mono signals
  • Transformer balanced ins & outs to accommodate virtually any mic or line level signal
  • Can store 8 WAV files (uploaded from PC) of up to 2 minutes max length each, for playback over network
  • The rear panel features a complement of 8 contact inputs and outputs
  • Adjustable output volume of a broadcast based on a programmed scheduler
  • System configuration, control and monitoring via the supplied GUI software and also via web browser

Warranty Information

This product has a limited warranty of 60 months.

Product Documents

User Manual

Key Features

  • Capture pristine audio with this 2-channel network audio adapter, ensuring low latency.
  • Seamlessly integrate with your existing audio setup using balanced, transformer-isolated inputs.
  • Utilize the NX-300 as a versatile audio converter for various digital audio interface needs.
  • Enjoy flexible network connectivity with 10/100BASE-TX, perfect for studio and live settings.
  • Remotely manage audio via network protocols like TCP, UDP, and HTTP for efficient control.
  • Store up to 8 audio files directly on the adapter for quick access during performances.

What's in the box:

  • TOA Electronics NX-300 2-Channel Network Audio Adapter with AD-246 AC Power Supply
  • Removable Terminal Block (3 Pins)
  • 2x Removable Terminal Block (6 Pins)
  • 2x Removable Terminal Block (9 Pins)
  • Removable Terminal Block (4 Pins)
  • 4x Plastic Foot
  • 4x Screw for Fitting Plastic Foot
  • TOA Electronics 5 Year Limited Warranty