Specifications

MKB
MKB/MKF Motorcycle In-helmet Headset Kit
Driver/officer A-B switch
jack box with PTT switch
(for 800 intercom).
High quality cable used
for connecting intercom
to jack boxes.
441 5 foot
442 10 foot and up in
5 foot intervals
434 Y-splitter cable
Driver/officer
transmit jack box
with PTT switch.
Outdoor pump panel
transmit jack box with
string action jack cover.
Coiled cords with Nexus 5-contact connector (used on Cobalt intercoms).
Cords are polyurethane outer jacket with 100% foil shield for optimal RFI imm
S2120-05 5 foot coil cord S2120-15 15 foot coil cord
FS Transmit function
foot switch for connection
to jack box or to intercom.
Headset hanger
Driver/officer
transmit jack box.
Dual crew non-
transmit jack box
Cobalt A/V
5-conductor Nexus
plug fits Cobalt A/V
intercom jacks
S2120-05 - 5 ft.
S2120-15 - 15 ft.
David Clark
3/16” plug fits old
style David Clark
intercom jacks
S2110-05 - 5 ft.
S2110-15 - 15 ft.
David Clark
1/4” military style
plug fits David Clark
intercom jacks
S2130-05 - 5 ft.
S2130-15 - 15 ft.
Sigtronics & Setcom
1/4” plug fits both Sigtronics
and Setcom intercom jacks
S2100-05 - 5 ft.
S2100-15 - 15 ft.
David Clark/Sigtronics
4-conductor Nexus style plug fits David
Clark and Sigtronics intercom jacks
S2140-05 - 5 ft.
S2140-15 - 15 ft.
Firecom
5-conductor Nexus
plug fits Firecom
intercom jacks
PTT positions:
S2121-05 - 5 ft.
S2121-15 - 15 ft.
Crew positions:
S2122-05 - 5 ft.
S2122-15 - 15 ft.
611
635
Intercom
Cables
Headset Cord
600 601 PP FS HH
Vehicle Intercom Accessories continued:
40
41
MKF
Powerful in-helmet speakers allow the user to hear
radio transmissions over road noise. High quality
electret condenser element produces excellent
transmit audio. Handle-bar mountable Push-To-Talk
switch for convenient communications. Installs into
helmet using only two-sided fastening tape. No
drilling of holes is required. Modular features allow
the mic system to be easily disconnected from the
motorcycle. Available for both open faced (MKB)
and full faced (MKF) helmets.
Limited radio connector cord availability:
-ISC, -ITC, -KSC, -MSC, -MOP, -MTC, -VSC,
-VTC. For -KMC radios, use K0111 with
-KSC. For MEX, use M4455 with -MSC. For
-MHT use M9716 with -MSC or M9716 with
-MTC. For MXT, use M9717 with -MTC.
See connector page on page 52 for radio chart.