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Kronos AV
Kronos AV

Meze RAI Solo In Ear Headphones
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  • Regular price £229.00
  • Available Worldwide Shipping

RAI Solo from Meze Audio are an entry-level audiophile-quality IEM, offering a refined electrodynamic driver with UPM balanced piston membrane motion, encased in a durable and ergonomic sintered steel shell.

UPM stands for Unified Pistonic Motion - technology in which a wire-free diaphragm performs in a symmetrical in-out piston-like motion, without disturbance from wires.

In a traditional electrodynamic driver the voice coil lead wires are glued to the back-side of the thin membrane, and is a major factor in unbalanced vibration. The UPM driver eliminates this inconvenience by using a totally different approach: the membrane itself is electrically conductive and, therefore, no wires are attached to the diaphragm. The result is a symmetric pistonic motion through its entire movement, without disturbance from the unbalance created by wires.

Rai Solo works effortlessly with any device due to its low impedance and high sensitivity, however to truly enjoy the full potential and advantages of its special driver, Meze Audio recommend the use of a DAP or DAC, should you wish to use your phone as an input source.

All RAI series designs are grounded in the realities of everyday life. The Meze Audio aim is for anyone to find valid options when looking for an IEM to fit their lifestyle. Solo opens the RAI family, an entry-level audiophile IEM born from honest design and true audio.

Rai Solo has been born from a vision of offering entry-level audiophiles a solidly-built and great value IEM. Ergonomic design, sturdy stainless-steel shell, refined dynamic driver, all for one purpose: enchanting your senses through a pure listening experience.


  • Driver: 9.2mm UPM dynamic driver
  • Diaphragm thickness: 9µm
  • Impedance: 16 Ω
  • SPL: 105±3dB at 1mW/1kHz
  • Frequency response: 18Hz - 22kHz
  • Distortion: <1% at 1mW/1kHz
  • Stock cables: MMCX connector ending in 3.5mm jack
  • Warranty period: 2 years


  • 1.3m MMCX braided cables, silver plated copper custom wires ending in high quality 3.5mm connector
  • Hard Case: protective EVA case with Meze Audio metal logo
  • x3 pairs of soft silicone ear tips (S, M, L)
  • x3 double flanged ear tips (S, M, L)
  • x2 deep insertion double flanged eartips (M, L)

We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.

There has been no changes to deliveries with Brexit. All deliveries to the UK mainland, Northern Ireland and the Republic of Ireland are operating as normal. No VAT or charges are applicable. 

Express Deliveries

Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around. 

Standard Deliveries

Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person. 

If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!


Delivery is FREE on all orders over £50. In order to offer FREE delivery to UK customers, we use several premium couriers to ensure your delivery arrives safe.

Most large orders (over 2kg) ship using DPD or DHL courier and smaller orders (under 2kg) by Royal Mail signed for services.

The most appropriate courier will be chosen for the items ordered to ensure the quickest possible delivery.

We can offer very generous trade in offers across the majority of our product range. 

Why not ask and see how much you HiFi is worth!

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If you have any question, please feel free to call us on 03435236169 or email