Good value
The RE400 Waterline is a wired in-ear monitor featuring a titanium diaphragm and neodymium magnet, delivering clear mid-high frequencies and refined bass. It includes multiple silicone tips and filters for comfort and durability.
The HiFiMAN RE400 is a compact wired IEM that delivers a neutral, clean, and transparent sound with good control and detail, making it a strong budget option for audiophiles. Its small size and lightweight build ensure a comfortable fit, though the stock ear tips can limit sonic performance and cable noise is noticeable when worn cable-down. Overall, it offers impressive value for its price, with a precise and orderly presentation across the frequency range.
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
| Driver | 8.5 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 8.5 mm |
| Drivers per side | 1 |
| Frequency response | 15 Hz - 22 kHz |
| Impedance | 32 Ω |
| Sensitivity | 102 dB/mW |
| Driver | 8.5 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 8.5 mm |
| Drivers per side | 1 |
| Frequency response | 15 Hz - 22 kHz |
| Impedance | 32 Ω |
| Sensitivity | 102 dB/mW |
| Active noise cancelling | No |
|---|---|
| Controls | buttons |
| Weight | 12.9 g |
|---|---|
| Model code | RE400 Waterline |
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