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Deep Bass Wireless Headphones RB-M300

Price (RRP)$ 229.00

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Extra-Deep Bass & Wireless Convenience

The RB-M300 Bluetooth Headphones deliver a power bass response to amplify your listening experience.
Remarkable 50 hour battery life is combined with Bluetooth 5.0 connectivity making them ideal for an enhanced music and mobile gaming experience.
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Deep Bass Thumps Your Body

The XBS DEEP (Extra Bass System Deep) delivers well-defined deep bass to make you feel the impact of dynamic sound with your entire body as if you are in a live house or concert hall.
Deep Bass Thumps Your Body

Go Deeper with Bass Enhancer

Apply an equaliser setting for even deeper bass at the touch of a button. The Bass Enhancer mode supercharges the bass for an even more powerful sound. Connect with every beat in your music or experience your mobile games like never before.
Go Deeper with Bass Enhancer

Deep Bass Response Without Distortion

The Deep Bass sound profile is delivered via a huge 40mm Free Edge Driver. The Free Edge design uses a highly elastic nanofiber diaphragm to generate serious bass response with maximum precision and minimal distortion.
Deep Bass Response Without Distortion

Comfortable Fit For Everyone

The M Series headphones feature Side Pressure Dispersion Technology to evenly spread pressure around your ears. This ergonomic design delivers all-day comfort, making the M300 headphones perfect for long commutes or all-night gaming sessions.
Comfortable Fit For Everyone

Convenient Functions

Voice Assistant Compatibility

Simplify your life thanks to Voice Assistant Compatibility. Call upon Google Assistant or Siri to select music, set reminders, make phone calls and more. All without having to reach for your phone.
Voice Assistant Compatibility

50 Hours Playback

A remarkable 50 hours of continuous playback means less battery anxiety and more time to enjoy the music.
50 Hours Playback

Quick Charge

Quick Charge functionality is perfect to top up your power. Just 15 minutes of charge delivers an additional 3 hours of playback.
Quick Charge


Size and Weight


*Approx. without cord

  • Bluetooth®Bluetooth®
  • 50 hrs of Playback50 hrs of Playback
  • Bass EnhancerBass Enhancer
  • 40mm HD Driver Unit40mm HD Driver Unit
  • Voice Assistant ActivationVoice Assistant Activation
  • Quick ChargeQuick Charge
  • Detachable CableDetachable Cable

XBS DEEP + Bass Enhancer for Powerful, Dynamic Bass

Bluetooth 5.0 Connectivity

50 Hour Battery Life

Quick Charge – 15 Mins Charge Provides 3 Hours Playback


  • Driver Unit (mm)

    • 40 mm (1-9/16 in.)
  • Magnet Type

    • Neodymium
  • Impedance (Ω) (Power off, with cord)

    • 34 Ω
  • Sensitivity (dB/mW) (Power off, with cord)

    • 100 dB / mW
  • Frequency Information

    • Frequency Response (with cord)
      • 20 Hz – 20000 Hz
    • Frequency Band (with Bluetooth®)
      • 20 Hz - 20000 Hz
  • Control/ Mic

    • ● / ●
  • Playback Time with Battery

    • Approx.50 hours
  • Charging Time (25°C/ 77°F)

    • Approx. 4 hours
  • Quick Charge (15 minutes)

    • Approx. 3 hours
  • Weight (without cord)

    • Approx. 296 g (10.4 oz)
  • Supplied Item

    • USB charging cord: Approx. 0.5 m (1.6 ft.)
      * Input Plug: USB A Shape, Output Plug: USB Type-C Shape
      Detachable cord: Approx. 1.2 m (3.9 ft.)
  • Cord

    • Cord Length (m)
      • 1.2 m (3.9 ft.) detachable
    • MiniPlug (3.5 mm)
    • Plug
      • Gold

Advanced Function

  • Bluetooth® Wireless Technology

    • Version
      • 5.0
    • Supported Profiles
      • A2DP, AVRCP, HSP, HFP
    • Codec
      • SBC, AAC
    • Operating Distance
      • Up to 10 m (33 ft.)
  • Active Noise Cancelling

    • -
  • Bass Reactor

    • -


  • ・Specifications are subject to change without notice. All numbers given here are approximate.


  • The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Panasonic Corporation is under license. Other trademarks and trade names are those of their respective owners.

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