Stone Mountain Elite Phoenix RSM

Stone Mountain Phoenix Elite v1 Wired Remote Speaker Microphone for smartphones with a PTT application

Product Quantity

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Elite PoC RSM Series

The new Phoenix Elite Series from Stone Mountain is the world’s only waterproof, Mil Spec compliant speaker mic for PoC (Push-to-talk over Cellular) applications. Major Smartphone & Tablet platforms and PoC app’s are supported. The Elite is complemented by an impressive array of audio, attachment, feature and charging options.

Ideally suited for commercial, business/industrial, transportation, security, fleet management, medical, public safety and military – The Phoenix Elite provides a rugged, feature rich platform for your most demanding applications.

Standard Features

•Waterproof to IP68 – 1 meter for 31 minutes.
•Meets/exceeds military environmental specs (Mil 810G).
•Large, super tactile side PTT.
•One touch Hi/Lo volume button.
•SureSealTM 3.5mm Rx audio jack.
•OutLoudTM Neodymium magnet 50mm speaker.
•Gold plated Printed Circuit Board for 100% reliability.
•Secure 360° rotating belt clip w/ 45° positive detents.
•Reinforced cable with integrally molded 5.5mm industrial grade charging port located just above the Device 3.5mm connector.
•Ergonomic, plastic/rubber two shot molded case.
•1,100 mAh LiIon extra-long life battery.
•Battery wall charger.


•Optional MagShieldTM internal acoustic shroud to eliminate ingress of metallic and other industrial debris into the speaker cavity.
•Optional CallCheckTM – Allows the user to selectively record, store & playback receive audio transmissions. Ideal for use in compliance to distracted driving laws, high noise and critical •operating environments. Significantly decreases dispatcher work load and audio traffic.
•Optional Emergency/Alert/Man Down function – PoC app must support.
•Optional ProGroundTM DC-DC converter charging system – Eliminates engine noise, whine, etc. in poorly grounded, hostile electrical environments.
•Optional FasNTM Device Connector Retention System.
•Assorted Vehicular Installation systems available.

Custom system solutions available – All design/development work performed at Stone Mountain, USA.



Microphone Element Omni directional
Microphone Sensitivity -40dBV (0dB=1V/Pa)
Speaker Output Power 1W
Speaker Output Level Up to 116+ dB (device dependent)
Accessory Interace 3.5mm sealed Rx audio jack
Dimensions 79mm x 65mm x 29mm
Weight 225 gm
PTT High tactile
Emergency Dedicated red button – PTT app dependent
Volume Control RampClik one touch, 10 level, ~2.5 dB/level
Hands Free Operation Supports remote charging, Rx, Tx & PTT – See TruDock and HanzFree accessories
Noise Reduction Optional ProClear DSP noise reduction system
Message Playback Optional CallCheck – Supports message record, store & playback
Programmable Buttons Two – Optional feature and/or PTT app dependent
Battery 1,100 mAh Li-Ion
Battery Life – Normal Use / Off ~30 hours / ~30 days
Charging 5.5 mm industrial grade connector (USB adapters available)
Charging, Remote TruDock charging, docking & mounting solutions
Low Battery Warning Audible (beep) & visual (LED)
PTT APP User configurable, supports all major PTT apps, Android & iOS
Rotating Belt Clip 360° w/ positive detents every 45° / Replaceable / Optional button clip
Mining/Industrial Rx Audio Protection Optional MagShield acoustic speaker shroud
Hazardous Location Rating Optional Certified Non-Incendive Class I, Division 2, Groups A, B, C & D, T4, -30° C  ≤ Ta ≤ +60° C.
Immersion Rating Designed to meet IP68
Mil-Std 810H Designed to meet:
Low Pressure 500.6/1 Yes
High Temp 501.7/I & II Yes
Low Temp 502.7/I & II Yes
Temp Shock 503.7/I Yes
Solar Radiation 505.7/II Yes
Blowing Rain 506.6/I Yes
Humidity 507.6/II Yes
Salt Fog 509.7/I Yes
Sand & Dust 510.7/I Yes
Immersion 512.6/I Yes
Vibration 514.8/I/CAT 1 Yes
Shock 516.8/I & IV Yes
Warranty 24 month, excluding battery

Additional information


Stone Mountain