OneOdio Monitor 80 are open-back wired headphones for studio monitoring, mixing and critical listening. Their open construction suits sound work where a spacious presentation is useful.
They use 40 mm drivers and have an impedance of 250 Ω. The stated sensitivity is 94 dB ± 3 dB, frequency response 10 Hz–40 kHz, and distortion no higher than 1%.
The package includes an EVA carrying case and user manual, plus two cables: a 3 m cable with 3.5 mm connectors and a coiled 3.5 mm to 6.35 mm cable, listed as 1.5–3.5 m. The plug sizes support connection to audio equipment with matching sockets.