
Specifications
Capacity
Max Beltpacks
25
Max E1 Transceivers
10
Frequency Bands
1.9 GHz DECT, 2.4 GHz FHSS
Channels
12
Groups
12
Roles
50
Connectivity
Headset Connector
5-pin XLR-F (X5)
2-Wire I/O Connectors
(4) XLR-3F
4-Wire I/O Connectors
(4) RJ45
Program Audio Input
XLR-3F
Stage Announce Output
XLR-3M
GPIO Connector
(1) DB15F (2 GPI, 4 GPO)
FreeSpeak II E1 Ports
(2) RJ45, (2) SFP (RJ45 or SFP selectable)
DECT Synchronization
(2) RJ45 (Input and Output)
LAN Ports
(2) RJ45 Pass-Through
AC Power Connector
IEC-C14
DC Power Connector
KPJX-4S-S
Grounding
Terminal Screw
Audio
Mic Input Type
Dynamic/Electret, Selectable
Headset Mic Voltage
5V
Mic Input Level Nominal
-58dBu
Mic Input Level Max
-10dBu
Mic Frequency Response
300Hz to 22kHz +/-3dB
Mic Limiter Threshold
-35dBu +/-3dB
Mic Limiter Range
>=20dB
4-Wire Input Nominal Level
0dBu (adjustable -12dB to +12dB)
4-Wire Input Max Level
+18dBu
4-Wire Input Frequency Response
80Hz to 22kHz +/-3dB
4-Wire Input Impedance
>=10K ohm
4-Wire Output Nominal Level
0dBu (adjustable -12dB to +12dB)
4-Wire Output Max Level
+18dBu
4-Wire Output Frequency Response
80Hz to 22kHz +/-3dB
4-Wire Output Impedance
120 ohm +10%
2-Wire Nominal Level
CC: -18dBu, RTS-TW: -12dBu (adjustable -3dB to +3dB)
2-Wire Headroom
18dB
2-Wire Frequency Response
80Hz to 12kHz +/-3dB
2-Wire Impedance
>=10K ohm bridging
2-Wire THD
<0.1% THD @ 1kHz
2-Wire Power
400mA optional per pair
2-Wire Voltage
26-28V DC
Frequency Response Headset Mic
300Hz to 22kHz
Frequency Response Headset Speaker
50Hz to 18kHz
Frequency Response FreeSpeak II
200Hz to 7.1kHz
Frequency Response 4-Wire
80Hz to 22kHz
Frequency Response 2-Wire
80Hz to 12kHz
Controls
Displays
(4) OLED Displays
Front Panel Encoders
(4) Encoders for Menu and Level Control
Call and Talk Buttons
(4)
Main Listen Level Encoder
(1)
Program Audio Level Encoder
(1)
Stage Announce Button
(1)
All Talk Button
(1)
Remote Mic Kill Button
(1)
Headset Mic Button
(1)
Front Panel Mode Button
(1)
Menu Access Button
(1)
Power Supply Status LEDs
(2)
Logic I/O
GPI Inputs
2
GPI Style
Opto-Isolated, Powered Input, Close Contact to Ground
GPI Input Voltage Range
0-12V DC or AC
GPI Input Current
>=1mA required
GPO Style
SPDT Power Relay
GPO Switching Voltage Max
60V DC
GPO Switching Current Max
2A
Power
AC Input Voltage Range
100-240V AC
AC Input Frequency Range
50-60Hz
AC Input Power Max
48W
AC BTU Max
164 BTU/h
DC Input Voltage
12V DC +/-5%
DC Input Current Max
4A
DC Input Power Max
48W
Included PSU Type
PSU-EXT-002 (Inline AC Adapter)
PSU Input Voltage Range
100-240V AC
PSU Input Frequency Range
50-60Hz
PSU Output Voltage
12V DC +/-5%
PSU Output Current Max
5A
PSU Output Power Max
60W
PSU Output Connector
KPPX-4-P
Environmental
Operating Temperature
32 to 113 F (0 to 45 C)
Storage Temperature
-22 to 158 F (-30 to 70 C)
Humidity
20-90% Non-Condensing
Dimensions
Form Factor
1RU
Width
19"
Height
1.7"
Depth
10.2"
Weight
Product Weight
5.57 lbs (2.5 kg)
Identifiers
Regulatory Model
FSII-BASE-2
Included Items
External PSU
(1) PSU-EXT-002
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.