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PSB M4U 4 High-performance in-ear headphones

  • Sale
  • $ 149
  • Regular price $ 299

Free standard shipping on all orders within the continental US.

PSB gets up close and personal with your hi-fi. You're listening to music more than ever before, but now you can do it on-the-go in comfort and style with PSB's true-to-nature sound quality. The M4U 4 High Definition In-Ear Monitors are the latest addition to PSB's popular M4U Headphone Series with their very own innovative RoomFeel™ Technology that has won praise throughout the world.



  • RoomFeel technology allows you to experience the sound of high performance speakers in a perfect listening room wherever you go
  • Two-way Hybrid Dual-Driver System of dynamic and balanced armature drivers for true hi-fi listening
  • Small and lightweight portable in-ear monitors are also designed for convenience for people on the move
  • Comfortable low profile ergonomic design and around-the-ear cable placement ensures that the M4U 4s stay in place for active listeners
  • Two fully detachable cables are included, one with a 3-button Apple remote with microphone for answering and making phone calls
  • Features Comply™ Foam Tx-200 Series Eartips for perfect in-ear fit and comfort, made with high-tech, super-soft memory foam that is heat-sensitive and breathable
  • Eartips conform to the dynamic shape of the ear canal
  • Passive noise-reduction technology seals out unwanted ambient noise and pours pure music directly into your ears, without leaking bass
  • Standard silicon gel tips, a convenient carrying case, and stereo and airplane adapters round out the M4U 4 accessories


WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to



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