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The Kiwi Ears Cadenza II are a pair of dynamic in-ear monitors (IEMs) designed to deliver remarkable audiophile performance in an affordable format. As the successor to the renowned Cadenza, it features a 10mm dynamic driver equipped with a titanium-coated PET diaphragm, combined with Kiwi Ears' proprietary Kiwi Acoustic Resonance System 2.0 (KARS 2.0). This combination delivers deep and precise bass, rich mids, and detailed reproduction across the entire frequency spectrum. The Cadenza II features an impedance of 18Ω ±1Ω, a sensitivity of 106dB ±1dB at 1kHz, an extended frequency response from 10Hz to 29kHz, and a total harmonic distortion of less than 1% at 1kHz. Its design combines a polycarbonate composite shell with a CNC-machined aerospace-grade aluminum faceplate. It comes supplied with a 1.2-meter detachable OFC single-crystal copper cable featuring 0.78mm 2-pin connectors and a 3.5mm jack termination, ensuring broad compatibility with most portable audio players, USB DACs, and headphone amplifiers on the market.
The Cadenza II features an all-new 10mm dynamic driver built around a titanium-coated PET diaphragm.
This structure combines the rigidity of titanium with the light weight of the polymer material to improve diaphragm responsiveness and reduce deformation. The result is more accurate sound reproduction, offering excellent detail retrieval and improved clarity of micro-details across the entire frequency range.


The Kiwi Acoustic Resonance System 2.0 (KARS 2.0) is one of the Cadenza II's key innovations.
This technology uses a complex network of internal acoustic channels to precisely control the airflow generated by the driver. The system provides approximately 8dB of sub-bass enhancement with a precise cutoff at 200Hz, delivering deep and impactful bass while maintaining excellent cleanliness in the lower frequencies. This approach achieves a subwoofer-like effect without compromising midrange clarity.
The Cadenza II comes with a high-quality detachable cable made of oxygen-free single-crystal copper (OFC).
Equipped with 0.78mm 2-pin connectors, it can be easily replaced or upgraded according to the user's preferences. This modular design also simplifies maintenance and extends the lifespan of the earphones. The cable measures 1.2 meters in length and terminates in a 3.5mm jack connector compatible with the majority of portable and desktop audio sources.

Technical Specifications
| Specifications | |
|---|---|
| Product type | In-ear monitors |
| Driver | Ø10mm Dynamic Driver with Titanium Diaphragm |
| Diaphragm | Titanium-coated PET |
| Impedance | 18Ω (±1Ω) |
| Sensitivity | 106dB (±1dB) @ 1kHz |
| Frequency response | 10Hz–29kHz |
| Output power | Rated: 5mW Max: 10W |
| THD | <1% (at 1kHz) |
| Channel balance | <1.5dB (at 1kHz) |
| Detachable cable | |
| Earphone connectors | CIEM 0.78mm |
| Termination | 3.5mm Jack |
| Cable length | 1.2m |
| General | |
|---|---|
| Color | Grey |
| Weight | 4.45g/earpiece |
| Package contents | 1x Kiwi Ears Cadenza II Earphones 1x Detachable Cable 6x Pairs of IEM Ear Tips (S/M/L) |
| Color | Gray |
| Impedance (Ω) | 18 |
| Efficiency / Sensitivity (dB) | 106.0 |
| Wireless | No |
| Cable termination | Jack 3.5mm |
| Headphone / Earphone connector | CIEM |
| Phone call feature | No |
| Noise reduction | No |