BSS BLU-325 Networked Input Output Expander with AVB & BLU Link Chassis

SKU: BSSBLU325 MFR: BLU-325
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Key Features

  • Expand your audio system with the BLU-325, offering up to 16 analog inputs/outputs.
  • Utilize AVB & BLU Link for seamless audio networking, ensuring low latency and high fidelity.
  • Customize your setup with card-based I/O, perfect for tailored audio configurations.
  • Enjoy software-configurable audio routing for ultimate control over your sound.
  • Integrate seamlessly with existing systems via RS-232 and GPIO control ports.
  • Monitor signal status easily with front panel LED indicators for each input.
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Special Order?Estimated to Ship: 09/11/2025
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BSS BLU-325 Specifications

  • Chassis

    19" (single rack space)

  • Custom I/O (card based)

    Yes

  • AEC Inputs

    Up to 16

  • Telephone Connection

    Up to 4

  • Max Inputs/Outputs

    16

  • Config

    Software

  • LCD Display

    Yes

  • Logic Processing

    Yes

  • RS-232

    Yes

  • GPIO

    Yes

  • Signal Processing (MHz)

    No

  • Cobranet

    No

  • AVB

    Yes

  • Dante

    No

  • SWL Digital Audio Bus

    256

  • Front Panel Led Indicators Per Input

    Signal Present, CLIP, SYNC/48V, I/O card type (IN, OUT, DIG, AEC)

  • Front Panel Led Indicators: Other

    LCD Display, Master, Network Link active, Data Activity

  • Analog Inputs

    Up to 16 electronically balanced on Phoenix Combicon removable screw connectors

  • Analog Inputs: Mic/Line Inputs

    Nominal gain 0dB, electronically switchable up to +48dB,in +6dB steps

  • Analog Inputs: Input Impedance

    3.5kOhms

  • Analog Inputs: Max Input Level

    +20dBu with 0dB input gain,+8dBu with 12dB gain

  • Analog Inputs: CMRR

    >75dB at 1KHz

  • Analog Inputs: Input Noise (E.I.N.)

    <-128dBu typical with 150Ohms source

  • Analog Inputs: Phantom Power

    48V nominal, selectable per input

  • Analog Inputs: A/D Latency

    38.7/Fs

  • Digital Inputs

    Up to 16 AES/EBU or S/PDIF on Phoenix/Combicon removable screw connectors

  • Digital Inputs: Input Impedance

    110 ohm (AES/EBU), 75 ohm (S/PDIF)

  • Digital Inputs: Sample Rate

    48kHz or 96kHz

  • Digital Inputs: Sample Rate Conversion

    32kHz-96kHz

  • Digital Inputs: THD+N

    <-140dB

  • Digital Inputs: Latency

    3/Fso + (56.581/Fsi) + (55.658/Fso)

  • Analog Outputs

    Up to 16 electronically balanced on Phoenix/Combicon removable screw connectors

  • Analog Outputs: Max Output Level

    +19dBu

  • Analog Outputs: Frequency Response

    20Hz-20KHz (+0.5dB/-1dB)

  • Analog Outputs: Analog: THD

    <0.01% 20Hz to 20KHz, +10dBu output

  • Analog Outputs: Dynamic Range

    108dB typical, 22Hz-22KHz unweighted

  • Analog Outputs: Crosstalk

    <-75dB

  • Analog Outputs: D/A Latency

    28/Fs

  • Digital Outputs

    Up to 16 AES/EBU or S/PDIF on Phoenix/Combicon removable screw connectors

  • Digital Outputs: Output Impedance

    110 ohm (AES/EBU), 75 ohm (S/PDIF)

  • Digital Outputs: Sample Rate

    48kHz or 96kHz

  • Digital Outputs: Sample Rate Conversion

    32kHz-96kHz

  • Digital Outputs: THD+N

    <-140dB

  • Digital Outputs: Latency

    3/Fso + (56.581/Fsi) + (55.658/Fso)

  • Control Ports

    12 inputs and 6 outputs

  • Control Input Voltage

    0 to 4.5v

  • Control Input Impedance

    4.7kOhms to +5V (2-wire mode), >1MOhms (3-wire mode)

  • Logic Output Voltage

    0 or +5V unloaded

  • Logic Output Impedance

    440Ohmss

  • Logic Output Current

    10mA source, 60mA sink

  • Watchdog Output

    Phoenix/Combicon connector for failsafe control

  • Opto Output Current

    14mA maximum

  • Withstanding Voltage

    80V maximum (Off)

  • Series Impedance

    220Ohms (isolated)

  • Control Network: Connectors

    RJ45 Ethernet connector

  • Control Network: Maximum Cable Length

    100m/300ft on Category 5 cable between device and Ethernet switch.

  • Digital Audio Bus: Connectors

    2x RJ45 Ethernet connectors

  • Digital Audio Bus: Max Cable Length

    100m / 328.08'on Category 5e cable between devices

  • Maximum Number of Nodes

    60

  • Latency Per Node

    4/Fs

  • Connectors

    2 x RJ45 connectors

  • Ethernet AVB Audio: Max Cable Length

    100m / 328.08' on Category 5e cable between device and Ethernet switch

  • Mains Voltage

    100-240V AC, 50/60Hz

  • Power Consumption

    <35VA

  • BTU Rating

    <188 BTU/hr

  • Operating Temperature

    15 to 35 deg. C / 59 to 95deg. F

  • Rack unit

    1U

  • Dimensions (H x W x D)

    1.75 x 19 x 12.5" / 44.45 x 482.60 x 317.50mm

  • Weight

    9lbs / 4.08kg

About BSS BLU-325

An advanced and sophisticated addition to your professional audio setup, the Soundweb London BLU-325 Networked Input Output Expander with AVB & BLU Link Chassis offers a high-quality, reliable solution for expanding your networked audio system. This innovative device boasts configurable I/O, Ethernet AVB audio, and a high bandwidth, fault-tolerant digital audio bus, making it an ideal choice for large-scale audio setups.

Configurable through HiQnet London Architect, the BLU-325 offers a user-friendly design environment with a rich palette of logic objects and a "drag and drop" method of configuration. Its Ethernet AVB audio features primary and secondary ports for fault tolerance, with control managed through a separate Ethernet port.

The BLU-325 is also equipped with a low latency, fault-tolerant digital audio bus of 256 channels. This uses standard Category 5e cabling, allowing for a distance of 100m between compatible devices. With the use of fiber optic media converters, the distance between devices can be increased to over 40km, offering flexibility in setup and design.

Four card slots accommodate analog inputs, analog outputs, digital inputs, and digital outputs in banks of four, facilitating a variety of device I/O configurations. The Analog Input Cards provide software-configurable gain in 6dB steps up to +48dB per channel and software-selectable Phantom Power per channel. Digital Input Cards and Digital Output Cards process AES/EBU and/or S/PDIF audio and offer a variety of clocking and syncing options.

The BLU-325 also provides clear front panel LED indication for Phantom Power, Sync, Signal Present, and Clip information per channel, easily accessible without the need for a PC. Device-specific information such as Device Name, Device Type, Firmware Version Number, Time, IP Address, and Subnet Mask is available from the front panel display. A bi-directional locate function allows devices to be identified both from and within HiQnet London Architect.

With 12 Control Inputs and 6 Logic Outputs, the BLU-325 can be seamlessly integrated with GPIO compatible devices. The Soundweb London Interface Kit, which details how Soundweb London systems can be integrated with third-party control systems, is included within the installation of HiQnet London Architect. The BLU-325, along with other members of the Soundweb London family, provides the building blocks of a perfectly tailored system solution.

BSS BLU-325 Features

  • Four Input / Output Card Slots
  • Configurable Inputs / Outputs
  • Analog Inputs (with Phantom Power per Channel)
  • Analog Outputs
  • Digital Inputs (AES/EBU and S/PDIF)
  • Digital Outputs (AES/EBU and S/PDIF)
  • AEC Inputs (with Phantom Power per Channel)
  • Telephone Hybrid Card
  • Rich Palette of Logic Objects
  • Ethernet AVB Audio
  • 256 Channel, Low Latency, Fault Tolerant Digital Audio Bus
  • Clear Front Panel LED Indication
  • Informative Front Panel Display
  • Bi-Directional Locate Functionality
  • 12 Control Inputs and 6 Logic Outputs for GPIO Integration
  • Soundweb London Interface Kit for Third Party Control System Integration (Documentation)
  • HiQnet Device
  • Configuration, Control and Monitoring from HiQnet London Architect

Warranty Information

This product has a limited warranty of 60 months.

Product Documents

User Manual

Key Features

  • Expand your audio system with the BLU-325, offering up to 16 analog inputs/outputs.
  • Utilize AVB & BLU Link for seamless audio networking, ensuring low latency and high fidelity.
  • Customize your setup with card-based I/O, perfect for tailored audio configurations.
  • Enjoy software-configurable audio routing for ultimate control over your sound.
  • Integrate seamlessly with existing systems via RS-232 and GPIO control ports.
  • Monitor signal status easily with front panel LED indicators for each input.

What's in the box:

  • BSS Networked Input Output Expander with AVB & BLU Link Chassis
  • BSS 5 Year Limited Warranty