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KZ

KZ Sonata 28BA Balanced Armature IEMs (Adjustable)

KZ Sonata 28BA Balanced Armature IEMs (Adjustable)

  • Authorized Retailer
  • Free US Shipping $49+
  • 1-Year Warranty
  • 45-Day Returns
$220.99 USD
$220.99 USD
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Shipping calculated at checkout.

The KZ Sonata is a wired in-ear monitor with 28 balanced armature drivers per side. This is the adjustable tuning version, so you can change the voicing rather than living with one fixed signature.

Choose this variant if you listen across genres or share the IEMs between a desktop rig and a phone, where one tuning rarely covers everything. It's also the safer pick if you're new to all-BA sound and want room to dial things toward your taste after the first few hours of listening.

  • 28 balanced armature drivers per side
  • Adjustable tuning version
  • Wired, all-BA configuration

Authorized KZ retailer. Free US shipping over $49, 45-day returns, 1-year warranty.

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Good to know

Frequently asked questions

Is this unit genuine?

Yes. TonePier is an authorized retailer — every unit comes from the brand or its official distributor, carries a valid serial number and is covered by the full manufacturer warranty.

How long does shipping take?

SKUs stocked in our US warehouse ship within 1–2 business days. Items shipped direct from our China hub typically arrive in 8–15 days with full tracking. The product page tells you which applies before you order.

What if it isn't for me?

You get 45 days to decide. Keep the packaging, keep it in like-new condition, and send it back for a refund. Ear tips unsealed for hygiene reasons are fine — we expect you to actually listen.