Astrotec AM90 Founded in 2001, Astrotec intially focus on OEM manufacturing. In 2012, it decided to enter into the IEM market with the brand name Astrotec.
The AM90 is it's first effort. With a metal housing, a Knowles balanced armature and an irrestible pricing, the AM90 is bound to make waves in the budget IEM category!
1)The Astrotec AM-90 earphone is leading the International Moving Iron technology;
2)The frequency response of this earphone is stable, it can’t be affect by the temperature and humidity change;
3)Low impedance ,easy to drive , suitable for a lot of music player;
4)Bring you more pure music space with good soundproofed effect;
5)The leakproof sound design is help for your hearing.
Drive unit: move iron unit (only yuan)
100Hz-12000HzWide frequency range: 100 Hz-12000 Hz
Sensitivity: 109 dB / 1 mw (S.P.L at 1 KHz)
Impedance: 25 OHM
Lead: 1.2 M + /-0.3 M TPE wire
Connecting the plug: Φ 3.5 mm stereo gold-plated plugs