Moondrop SSR In-Ear Monitors with beryllium dynamic driver, 20Hz-20kHz frequency response and 16 ohm impedance. These compact earphones deliver reference timbre and clear soundstage in a lightweight liquid metal housing. Users enjoy natural detail and easy cable swaps thanks to the 0.78mm 2-pin design.

About Moondrop SSR
The Moondrop SSR brings a smart design that feels great in your ears. These compact heart-shaped earpieces use strong liquid metal alloy so they stay light and tough for daily wear. You get a vented build that sits flush and comfortable even during long listening sessions. The detachable setup makes it simple to change cables whenever you want.
A single dynamic driver powers the sound with its beryllium-coated dome plus a polyurethane suspension ring and strong N52 magnet. This technology creates precise movement that captures every detail in your music. It helps the earphones deliver natural tones without coloring the original recording. Listeners enjoy smooth performance that feels true to the source.
You can count on wide frequency coverage from 20Hz up to 20kHz on standard measures and even higher in detailed tests. The low distortion stays at 1 percent or below which keeps the audio clean and accurate. These specs support rich soundstage and clear imaging so instruments and vocals stand out nicely.
The cable uses high quality 4N oxygen-free copper in a Litz pattern with a standard 3.5mm plug. It connects through reliable 0.78mm 2-pin ports that allow easy upgrades. This flexibility gives you options to match your setup and keep the earphones useful for years.
Overall the Moondrop SSR focuses on reference tuning that keeps timbre natural while highlighting important details. The neutral approach with good clarity makes it suitable for critical listening or everyday enjoyment. You hear music the way artists intended without extra hype in any range.
Specifications
| Parameter | Value |
|---|---|
| Driver | Single beryllium-coated dynamic |
| Frequency response | 20Hz-20kHz |
| Impedance | 16Ω |
| Sensitivity | 115dB |
| THD | ≤1% |
| Housing material | Liquid metal alloy |
| Operating principle | Vented |
| Cable connector | 0.78mm 2-pin |
| Cable type | 4N OFC Litz |
| Plug | 3.5mm single-ended |
| Warranty | 2 years |
| Delivery time | 7-14 days |
| Price | $40 |
Reviews
These in-ear monitors sit so comfortably I forget they are there after a few minutes. The sound feels natural with great clarity on vocals and instruments. I use them daily for commuting and the details still impress me.
Listening to my favorite tracks now reveals so many layers I missed before. The build feels solid and the cable swaps easily when I want something different. They deliver clean sound that makes long sessions enjoyable.
I appreciate how balanced the audio comes through without harsh edges. They work well with different music styles and stay secure during walks. The lightweight design helps me wear them for hours at my desk.