Discover Sony Signature Series listening in a compact in-ear format. The IER-Z1R pairs an HD hybrid driver system with carefully engineered acoustic construction, designed to reveal detail from your portable player or dedicated headphone source.
Key Features
- HD hybrid driver system – multiple drivers cover an extremely wide 3 Hz to 100 kHz range.
- Refined-phase structure – aligns the drivers' output for coherent, natural sound.
- 4.4mm balanced cable included – connect to balanced outputs for cleaner channel separation, with a standard 3.5mm cable also supplied.
- Detachable silver-coated OFC cables – easy to swap between balanced and unbalanced listening.
- Two styles of ear tips in many sizes – hybrid and Triple Comfort tips help you find a secure seal.
Good to Know
With 40 ohms impedance and 103 dB/mW sensitivity, the IER-Z1R plays easily from a capable phone or player, while the balanced cable lets you take advantage of a 4.4mm output if your source has one.
Technical Specifications
- Driver: HD hybrid
- Frequency response: 3 Hz – 100,000 Hz
- Impedance: 40 ohms (1 kHz)
- Sensitivity: 103 dB/mW
- Cables: detachable, approx. 1.2 m, silver-coated OFC
- Plugs: L-shaped 3.5mm stereo mini plug, L-shaped 4.4mm balanced plug
- Weight: approx. 26 g (without cable)
What’s Included
- IER-Z1R earphones
- Standard headphone cable (approx. 1.2 m)
- Balanced headphone cable (approx. 1.2 m)
- Hybrid ear tips (SS/S/MS/M/ML/L/LL)
- Triple Comfort ear tips (SS/S/MS/M/ML/L)
- Carrying case
- Cleaning cloth
- Clip
- Cable holder
Shipping & Returns
Free UK Delivery – We ship exclusively within the United Kingdom. Orders are processed within 1 business day, with estimated delivery in 5–8 business days after dispatch.
30-Day Returns – Returns are accepted within 30 days of delivery, subject to our Return & Refund Policy.
Customer Support – Monday–Friday, 9 AM–5 PM (UK local time). Business days exclude weekends and UK bank holidays.