Description
Trumpet 3 wired earphones (OEP-E40)
Oraimo Trumpet 3 is a HIFI-labeled in-ear headset, model OEP-E40, for devices that still use a classic analog jack. A fixed 1.2 m cable and 15 g overall weight keep the setup simple for pocket players, laptops, and phones with a 3.5 mm port.
Acoustic parameters
| Frequency response | 20–20000 Hz |
| Impedance | 16 Ω |
| Driver sensitivity | 96 dB ±3 dB |
| Microphone sensitivity | 42 ±3 dB |
| Connector | 3.5 mm plug |
| Cable | 1.2 m |
| Mass | 15 g |
The published HIFI audio designation reflects the in-ear driver layout tuned for wired listening within the stated response and sensitivity ranges.
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