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Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230

Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
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Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
BOSE A20 HEADSET CABLE ASSEMBLY/Bluetooth, battery powered, 150 ohm dynamic microphone, straight cord, U-174 plug 327070-U230
Bose A20 Headset Cable Assembly | Bluetooth, U-174, Straight Cord, Dynamic Mic, Battery Power

The ergonomic control module and cable assembly fits comfortably in the hand and puts all controls within easy reach. Each module includes an auxiliary audio input with intercom/AUX priority switching, ideal for dedicated GPS and traffic warning systems. The Independent, recessed L/R volume controls with midrange detent and visual volume-level indicator allows for left and right channel volume level adjustment. Wirelessly connects headset to Bluetooth® devices like tablets and mobile phones for audio and communications. Flexible power circuitry with auto-on senses if the headset can use aircraft power or not. If so, the headset senses the power source and seamlessly switches from battery to aircraft power without compromising headset performance. See owner's manual in the documentation section for installation instructions.

Version (Alternate Part# 327070U230) is a bluetooth equipped control module with a U-174 plug, straight cord, and low impedance 150 Ohm dynamic microphone. Operates with battery power.


  • Bluetooth connectivity
  • Bluetooth multi-function button
  • Ergonomic portable design
  • Digital microcontroller system
  • Auxiliary audio input
  • Independent L/R volume control
  • Power LED and battery-life indicators
  • Power button
  • User-configurable switches
  • Secondary audio mode selector
  • Automatic smart shutoff

AI disclosure: this description was generated with AI assistance from this product's own listing data.


Product Codes

Mfr Part No:327070-U230


Power: BatteryMicrophone: Dynamic 150ΩConnector: U-174Cord: Straight

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  • Stock: Out of Stock
  • Manufacturer Part #: 327070-U230
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Returns & refund summary

  • 30-day return window — with prior return authorization, unopened in original packaging.
  • Restocking fee: 20% on unopened items, 30% on open-box items.
  • Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
  • Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
  • Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.

Full terms: Return Policy.

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See our full Manufacturer Authorizations page for the current per-brand status.

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If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.

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