Power Source:
Power-over-Ethernet (PoE): class 1 (low power, ≤3.84 watts) per IEEE® 802.3af

Network Interface:
Type: 100BASE-TX, Fast Ethernet per IEEE 802.3u (10BASE-T and 1000BASE-T (GigE) not supported)
Power-over-Ethernet (PoE): Per IEEE 802.3af
Data Rate: 100 Mb/s (10 Mb/s and 1000 Mb/s not supported)

Network Audio Technology:
Type: Dante audio-over-Ethernet
AES67-2018 Support: Yes
Dante Domain Manager (DDM) Support: Yes
Bit Depth: up to 24
Sample Rate: 48 kHz
Pull-Up/Down Support: No
Dante Transmitter (Output) Channels: 2
Dante Receiver (Input) Channels: 2
Dante Audio Flows: 4; 2 transmitter, 2 receiver
Transmitter (Output) and Receiver (Input)
Nominal Level: –20 dBFS

Microphone Input:
Compatibility: analog dynamic or electret microphones
Type: unbalanced
Electret Microphone Power: 8.5 volts DC via 1 k (1000) ohms series resistance, selectable on/off
Gain: 18, 24, 30, 36, or 42 dB, selectable
Frequency Response: 40 Hz to 20 kHz, –3 dB, nominal
Distortion (THD+N): <0.03%, 1 kHz, 24 dB gain
Noise Floor: –96 dBFS, A-weighted, electret power off

Compressor:
Threshold: 1.5 dB above nominal level (–18.5 dBFS)
Slope: 2:1

Headphone Output:
Type: 2-channel
Compatibility: intended for connection to stereo (dual-channel) or monaural (single-channel) headsets with nominal impedance of 50 ohms or greater
Maximum Output Voltage: 2.6 Vrms, ref 1 kHz and 150 ohms load
Frequency Response: 10 Hz to 20 kHz, –2 dB
Distortion (THD+N): <0.04%, ref 1 kHz and +10 dBu output
Dynamic Range: >85 dB

Analog Line Inputs:
Number of Channels: 2
Type: unbalanced, capacitor coupled
Impedance: 12.5 k ohms
Nominal Level: –10 dBu
Dynamic Range: 98 dB, A-weighted
Distortion (THD+N): <0.008%, ref 1 kHz and +13 dBu input
Frequency Response: +0/-2 dB, 20 Hz to 20 kHz

Analog Line Outputs:
Number of Channels: 2
Type: unbalanced
Source Impedance: 50 ohms
Nominal Level: –13 dBu
Dynamic Range: 94 dB, A-weighted
Distortion (THD+N): <0.04%, ref 1 kHz and +9 dBu output
Frequency Response: ±0.7 dB, 10 Hz to 20 kHz

Identification Tone Output:
Destination: headphone output channels
Type: 500 Hz, sine-wave
Duration: sequence of six tone "bursts" over six seconds (500 mSec On/500 mSec Off)
Nominal Level: –13 dBu
Enable Signal: Dante identification command

Connectors:
Ethernet: RJ45 jack
Headset: 5-pin female XLR
Analog Line Inputs: 3-conductor (TRS) 3.5 mm jack
Analog Line Outputs: 3-conductor (TRS) 3.5 mm jack
USB: type A receptacle (used only for updating application firmware)

Configuration: requires Studio Technologies' STcontroller for Windows software application

Software Updating: USB flash drive used for updating application firmware; Dante Updater application for updating Dante interface firmware

Environmental:
Operating Temperature: 0 to 50 degrees C (32 to 122 degrees F)
Storage Temperature: –40 to 70 degrees C (–40 to 158 degrees F)
Humidity: 0 to 95%, non-condensing
Altitude: not characterized

Dimensions (Overall):
8.7 inches wide (22.1 cm)
1.72 inches high (4.4 cm)
4.2 inches deep (10.7 cm) (includes XLR5F latch)

Weight: 0.95 pounds (0.42 kg); rack-mounting installation kits add approximately 0.2 pounds (0.09 kg)

Deployment: intended for tabletop applications. Four optional mounting kits are also available:
RMBK-10 allows one unit to be mounted in a panel cutout or on a flat surface
RMBK-11 allows one unit to be mounted in the left- or right-side of one space (1U) of a standard 19-inch rack
RMBK-12 allows two units to be mounted in one space (1U) of a standard 19-inch rack
RMBK-13 allows one unit to be mounted in the center of one space (1U) of a standard 19-inch rack

Specifications and information subject to change without notice.