Data Sheet
Model 354 Specifications
Applications: Dante-based voice paging, intercom, talent
cue (broadcast IFB), and general audio installations
Power Source: Power-over-Ethernet (PoE), class 1 (very
low power, ≤3.84 watts), per IEEE 802.3af
General Audio:
Internal Digital Audio Processing: 32-bit, fixed
Nominal Digital Input and Output Level: –20 dBFS
Network Audio Technology:
Type: Dante® audio-over-Ethernet
AES67-2018 Support: yes
Dante Domain Manager™ (DDM) Support: yes
Bit Depth: 16, 24, or 32
Sample Rate: 48 kHz
Number of Transmitter (Output) Channels: 4
Number of Receiver (Input) Channels: 4
Dante Audio Flows: 4; 2 transmitter, 2 receiver
Network Interface:
Type: 100BASE-TX, twisted-pair Ethernet with Power-over-
Ethernet (PoE) supported
Data Rate: 100 Mb/s (10 Mb/s and 1000 Mb/s GigE
Ethernet not supported)
Microphone Input:
Compatibility: Studio Technologies’ GME-3-12 gooseneck
microphone or equivalent
Microphone Power: 3.3 volts DC via 2.49 k resistor
Impedance: 2.0 k ohms, nominal
Gain: 12, 18, 24, 30, 36 dB, selectable
Frequency Response: –3 dB at 40 Hz, –1 dB at 16 kHz
Distortion (THD+N): 0.022%, measured at –20 dBFS, 22 Hz
to 22 kHz bandwidth, 12 dB of gain
Noise Floor: –95 dBFS, A-weighted, 12 dB of gain
Dynamic Range: >76 dB, A-weighted, measured at 36 dB
of gain
Compressor:
Application: applies only to gooseneck microphone audio
Threshold: 2.7 dB above nominal Dante output level
(–17.3 dBFS), ±0.3 dB
Slope: 2:1
Status LED: compressor active
Preamble Audio:
Number of Channels: 2, field updatable using USB flash
drive
Source Type: 16-bit monophonic, 48 kHz sample rate, WAV
(.wav) files, stored in non-volatile memory
Level: –20 dBFS nominal, adjustable ±12 dB in 3-dB steps
Duration: up to 40 seconds per WAV file (preliminary
calculation)
Distortion: <0.0001%
Frequency Response: 20 Hz to 20 kHz, +0/–0.7 dB
Talent Cue (Broadcast IFB) Capability:
Number of Channels: up to 4, configurable
Audio Sources: Dante receiver (input) channels 1-4
Frequency Response: 20 Hz to 20 kHz, +0/–0.7 dB
Program Audio Attenuation (Dim): 0, 5, 10, 15, 20 dB, Full
Mute, configurable
Analog Monitor Output:
Type: electronically balanced, capacitor coupled, intended to
drive balanced or unbalanced loads of 2 k ohms or greater
Audio Source: Dante receiver (input) channels 1-4, preamble
audio, and microphone audio, configurable
Studio Technologies, Inc.
Skokie, Illinois USA
© by Studio Technolog
ies, Inc., August 2021
studio-tech.com
Studio Technologies, Inc. Model 354 Talk Station, Issue 1, Page 4
Source Impedance: 200 ohms
Nominal Level: 0 dBu, reference –20 dBFS
Maximum Level: +20 dBu, with 0 dBFS input, measured
at 1 kHz
Dynamic Range: >106 dB, A-weighted
Distortion (THD+N): 0.0011% (–99 dB), measured at
–1 dBFS input, 22 kHz bandwidth
Frequency Response: +0/–1.5 dB, 20 Hz to 20 kHz
Level Reduction (Dim) Capability: 0, 5, 10, 15, 20 dB, or
full mute, configurable
Channel Status Signals:
Action: independently configurable per channel
Send Tone Frequencies: 16, 18, and 20 kHz, sine-wave
Send Tone Frequency Accuracy: <10 ppm
Send Tone Level: –20 dBFS, nominal
Send Tone Distortion: <0.0001%
Receiver Tone Detect Level Threshold: –23 dBFS at 16 kHz;
–28 dBFS at 18 kHz; –30 dBFS at 20 kHz
Receiver Tone Minimum On Time: 80 milliseconds
Program Input-to-Monitor Output Low-Pass Filter: –6 dB at
10 kHz; –28 dB at 16 kHz; –55 dB at 20 kHz
Tone Detect Tone-to-Monitor Output Rejection Filter: –31 dB
at 18 kHz; –46 dB at 20 kHz; –70 dB at 22 kHz
Connectors:
Gooseneck Microphone: ¼-inch 3-conductor with 7/16-20
UNF threaded bushing; 4-40 hex head socket set screw
allows microphone to be secured into bushing
Analog Monitor Output: 3-pin male XLR
Ethernet: Neutrik NE8FBH etherCON RJ45 jack
USB: type A receptacle (used only for updating main
firmware and WAV audio files)
Configuration: Studio Technologies’ STcontroller personal
computer application
Software Updating:
USB flash drive used for updat-
ing main firmware and WAV audio files; Dante Controller’s
Dante Updater application used 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:
3.6 inches wide (9.1 cm)
2.7 inches high (6.9 cm)
4.7 inches deep (11.9 cm)
Deployment: intended for tabletop applications
Weight:
1.1 pounds (0.50 kg) without gooseneck
microphone; 1.4 pounds (0.64 kg) with GME-3-12
gooseneck microphone
Specifications and information subject to change without
notice.