
Specifications
Connectivity
XLR Powerline
3-pin XLR-F
LAN/PoE 1
RJ45 etherCON
Headset
4-pin XLR-M (-X4)
USB
Micro AB
Audio
Headset Mic Impedance
200Ω (Dynamic)
Headset Mic Voltage
1.7V (Electret selectable)
Limiter
+23dB Route to 4-wire output at 0dBu out:
Mic Gain
60dB (Dynamic), 45dB (Electret)
Frequency Response
300Hz – 10 kHz ± 3dB, contoured for intelligibility
Distortion
<0.2% THD @ 1kHz
Noise
<-55dBu (Dynamic), <-65dBu (Electret)
Load Impedance
>32Ω
Output Level
+12dBu before clipping
Sidetone
-12dB (selectable) Route from a 4-wire input at 0dBu in:
Max Gain
0dB
Headphone Limiter
0dB (selectable)
Power
Voltage
30-60V DC
Current (Max)
0.09A
Power (Max)
4W
BTU (Max)
13BTU/hr
PoE - Power over Ethernet
IEEE 802.3af-2003 - Class 1
PSE
4.0W DC max @ Power Source Req.
PD
3.84W DC max @ Powered Device Draw
Input Voltage
±29.5V DC
Input Current (Max)
0.13A
Environmental
Environmental
Operating: 32° to +104°F (0° to +40°C) Humidity: Between 0 - 90%, non-condensing IP53 water and dust resistance
Physical
Dimensions
3.9 x 5.3 x 1.7in (WxHxD) 99 x 135 x 43mm (WxHxD)
Weight
12.2oz (0.35kg)
Network
Network Protocols
Ethernet IPv4–Unicast Control mDNS–Multicast Device Discovery Layer 3 routable with mDNS function limitations HTTP–Management I.V. Core–Decentralized Network Routing & Mixing IVP–Proprietary Intercom Audio and Control WavPack–Audio Codec Port 80 TCP–System Management Port 6001 TCP–System Management Port 6001 UDP–Audio Streams Port 5353 UDP–mDNS, Names, Discovery, Linking Optional for device names and linking
HMS-4X Endpoint Resource Use
1 (-X4)
Network Jitter Tolerance
<= 128ms jitter buffer per audio stream receiver automatically adjusted to network performance
QoS Tags
DSCP=34, Assured Forwarding (AF=41)
Link-Local Default IP Address Range
169.254.0.0/16 10.0.0.0/24 for endpoints on HMS-4X 10.0.0.0-7 for Arcadia
Recommended Ethernet Switches
Managed Ethernet Switch; 100/1000 Base-T Ports; 1000 Base IP Switch Trunks; QoS configuration; Energy Efficient Ethernet bypass option; IGMP Snooping bypass option
Why Choose SoundPro?
Since 1972, SoundPro has been the trusted source for audio, video, and lighting gear. Whether you're starting your AVL journey or are a seasoned professional, we're here to help you every step of the way.