In-dash for KRX


The Kawasaki KRX In-dash is a plug and Play in-dash that mounts in your stock dash with 6 screws to secure the bracket to your dash for a solid install. The S4S intercom is the only Stereo intercom on the market with 4 independent volume controls. It is paired with a 25-watt radio to provide you with up to 10+ miles (based on line of sight) car to car communications. Select the optional S4S V3 intercom and get Bluetooth with pause, play, skip back or ahead.

The Kawasaki KRX In-Dash includes:

  • Ready to install plug n play bracket for KRX, and
  • One regular PTT (Driver PTT sold separately)
  • In-line Noise filter
  • Antenna of your choice (Mount sold separately)
    • Shadow Antenna – without a whip, that is low profile (3.5″ tall), range of about 5+ miles line of sight or
    • High Gain Antenna – with a whip, that unlocks your radios full potential with a range of about 10+ miles line of sight
  • Coax Cable (If 2 headsets are ordered a 15 ft coax will be provided, if 4 headsets are ordered 17 ft will be provided. If you desire a different length please place a note at checkout. Options are: 2 ft, 3 ft, 7 ft, 10 ft, 15 ft or 17 ft coax cables).
  • You will receive headset extension cords according to how many headsets you order.
    • 1-2 headsets – (1-2) 9 ft extensions cords
    • 3-6 headsets – (2) 9 ft cords  and  (2) 12 ft cords
  • Antenna ground wire

*Items sold separately

GMRS User Manual here or Race Radio User Manual here

Note: If your KRX comes with the net pocket accessory you will need to drill the face plate holes and use the factory push pins to mount the bottom four holes.

Build your ideal Kawasaki KRX communication system with the ultimate in feature control found nowhere else online. For additional information see our new customer training or install examples.

Whether this is your first experience with using communications or you’re an experienced guru, you will get to select exactly what you want.

Note: Audio volume coming into the intercom is controlled by the source device. We have noticed that the iPhone is significantly quitter than the Android devices. The following link will give you a couple of options to try to increase the Bluetooth volume from the iPhone:

Install tips:

The bracket will fit in the cubby without cutting. You will need about a ¾” diameter hole for the coax (drilled right behind the PL259 connector on the radio is best)  then another smaller ½” hole for the power leads to fit through (because of the terminal are so big).  An additional hole for the headset wires and PTT usually near the back of the intercom. If you want to cut the whole thing out you can I have just always drilled holes to keep the box some what contained. Do not run the power wire through the same hole as the coax, keep them separated.   We recommend installing a grommets (or use wire loom) where wires pass through or at a minimum wrap the wires in some additional insulation like electrical tape.  If you watch our other install examples you will have a good idea how to install TheCOM.  If you have any questions please contact us. We will strive to get a video up soon.

Weight 7 lbs
Dimensions 18 × 12 × 8 in
Bluetooth or non-Bluetooth

Non-Bluetooth S4S, S4S V3 Bluetooth with controls

Radio Type

GMRS Frequencies, Race Frequencies

Coax Cable Length

2 feet long, 3 feet long, 7 feet long, 10 feet long, 15 feet long, 17 feet long

Antenna Type

Shadow Antenna 5+mi. no whip, High Gain Antenna Whip 10+miles

PTT selection

Hole mount PTT (Race PTT), Passenger PTT, Steering Wheel (driver) PTT


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