Duet 50 Pro Earbuds


  • Longer Battery Life Than Apple Airpods®: With a total of 130 hours of battery life, the Duet 50 Pro's are in a class of their own! The earbuds can play 8 hours of music in a single sitting, and the charging case can power 122 more hours of music on the go.
  • Classic American Hi-Fi Sound: We tune all our headphones in our Boston headquarters to produce the classic “American Hi-Fi Sound” strong bass, a relaxed, natural midrange, and crisp highs.
  • Sweatproof: Completely unaffected by sweat or rain, the earbuds use internal nano-coating to create IPX-5 water resistance.
  • Charge your Phone: The case doubles as a power bank for your cell phone!
  • Built-in Microphone: Take hands-free phone calls on the go!


*AirPods is a registered trademark of Apple Inc. Back Bay Audio is not affiliated with Apple Inc.

    Customer Reviews

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    -BT Version: 5.0

    -Driver Sensitivity:  95±3dB(IEC-711,1kHz @1mW)

    -Output Maximum:  5mW

    -Impedance:  16Ω±15%

    -Total Harmonic Distortion: ≤5%(@1000Hz)

    -Codecs Supported: APTX, AAC, SBC

    -Profiles Supported: HFP, HSP, A2DP, AVCP

    -Frequency Range: 20Hz - 20kHZ

    -Driver Size: φ6mm

    -Frequency Band: 2.4 GHz

    -Wireless Range: 30 feet

    -Microphone Type: MEMS, omni directional

    -Microphone Sensitivity: -42±3dB(@1kHz ref 1V/Pa)

    -Waterproof Rating: IPX-5

    -Battery Type: Lithium Ion

    -Battery Voltage 3.7 V

    -Earphone Playtime: 8 hours

    -Total Playtime with Charging Case: 130 Hours

    -Recharge Time: About 2.5 Hours

    -Earbud Battery Capacity:  50mAh * 2

    -Charging Case Battery Capacity: 2600 mAh

    -Charging Case Dimensions: 3 x 1.8 x 1.1 inches


    Download User Manual

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