Ultimate Ears TripleFi 10 Noise Isolating Earphones for $148.88

Universal body are 3 individual speakers and an integrated passive crossover circuit board directs low-end frequencies to a dedicated speaker for bass. The mid-range frequencies to a speaker for the vocals & the high frequencies to a speaker dedicated for treble. changeable ear tips provide -26dB of isolation & passive noise cancellation. Frequency - Response 10 to 17,000 Hz; Input Sensitivity - 117dB/mW; Impedance - 32 ohms. Item may ship in non-retail packaging