IMR R1 Zenith IEMsearch

IMR R1 Zenith IEM

IMR R1 Zenith IEM

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Taking the R1 to New Heights

Featuring a second-generation driver unit and adjustable porting system, the IMR R1 Zenith builds on and refines the highly regarded R1 IEM. The 14-millimeter custom hybrid driver unit combines a high-resolution piezo ceramic driver, a beryllium diaphragm, and uprated neodymium motors. It delivers a huge soundstage and precise instrument placement with a frequency response of 14–40,000 hertz to cover the entire audible range. The bass has been controlled even further, the midrange elevated, and the upper registers made more precise. Plus, the R1 Zenith is fully customizable: use the five interchangeable filters to alter the bass, treble, and midrange levels and find your perfect sound signature. Complete with both a 3.5-millimeter cable and a 2.5-millimeter balanced cable, this IEM is compatible with phones and high-end players with a balanced out.

Take a Closer Look


  • IMR
  • Gen II 14mm driver featuring uprated neodymium motors, beryllium diaphragm, and piezo ceramic driver
  • Gen II IMR adjustable porting system
  • Impedance: 32 ohms
  • Sensitivity: 108 dB +/- 3 dB
  • Frequency response: 14 Hz–40 kHz
  • ⅛ in (3.5 mm) gold-plated jack
  • 4.6 ft (1.4 m) OFC cable

Filter Sounds

  • Black: Impactful bass, rich mids, and powerful highs
  • Pink: Slightly decreased bass from the black filter with the same mids and highs, a very neutral sound
  • Copper: Maximum bass, lush mids, and slightly recessed highs
  • Orange: Balanced bass and mids with rolled-off highs compared to the black filter
  • Blue: Flat across the range, a light and airy sound 


  • 5 pairs of filters
  • 7 pairs of ear tips
  • Hard case
  • 6.5mm adapter
  • 3.5mm 2-pin cable
  • 2.5mm 2-pin balanced cable


All orders will be shipped by Massdrop.

Estimated ship date is Apr 9, 2019 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.

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