SmartBoom PRO Dual-Ear Electret Headset Unterminated


  • Outstanding audio quality with enhanced acoustic isolation
  • Closed back circumaural (over ear) design available in single and dual-ear models
  • Flexible, ambidextrous swiveling mic boom
  • SmartBoom flip up microphone mute
  • Comfort fit adjustable headband
  • Replaceable ear, headband, and temple cushion pads
  • Non-reflective rubberized matte black finish
  • Collapsible earpiece design
Categories: , , SKU: PHS-SB210E-U Tags:


The Unterminated model of the SmartBoom® PRO Dual-Ear Electret Headset incorporates a convenient flip-up microphone muting feature and is specifically designed for exceptional comfort, flexibility, and durability as needed in the most demanding professional environments.

This model features a 5 ft. (1.52 m) cable (unterminated).

SmartBoom PRO Models Available:

Additional information

In the Box

Headset, Operating Manual, Data Sheet, (2) Ear Sock, Cable Clip, (1) Windscreen, Headset Bag, Replaceable 5 ft. (1.52 m) Cable (Unterminated)


Microphone, Microphone Type Electret, Mic Sensitivity -45 dBV/Pa, Pattern Cardioid uni-directional, Output Impedance 1-1.9 kO, Isolation from Headphone 40 dB, Nominal Impedance 100 O, Sensitivity at 1 kHz Single 117 dB SPL/mW Dual 121 dB SPL/mW, Speaker Type Dynamic, Max Input Power 500 mW, Cables Termination at Ear Removable (Crossbolt), Length 5.00 ft. (1.52 m), Outside Diameter 0.24 in. (6.00 mm), Physical Features, Mic Boom Length 8.50 in. (215.90 mm), Weight (without cable) Single 8.1 oz (229.63 g) Dual 11.4 oz (323.18 g), Cable 3.8 oz (107.73 g)