The RRP6100 PRO - Race Series Intercom outperforms other racing intercoms with its Side Tone feature for instant noise reduction and clear driver co-driver communication. Additional features include a Driver Isolate Switch that directs all radio communications to the co-driver for unabridged driver focus. Dual volume controls and adjustable audio levels cater to ear buds, low ohm or high ohm speakers for personalized preference. Find protection against RF interference with a transformer-based circuitry, Rugged exclusive Total Shielded Housing. Surface mount internal microphone level control pots matched to desired noise level allow for clear communications in extreme race environments. The RRP6100 is Two-way radio and accepts handheld or mobile units. The rear AUX port supports additional options like: music, smart phones, RePlay and GoPro cameras, GPS, or satellite phones. Quick Lock adapters and jumper cables are sold separately. Developed for extreme offroad race vehicles, the RRP6100 can be equipped with optional Digital Speech Processor Chips (DSP) for clearer voice communications, especially recommended in loud vehicles.