Mackie MP-120, In-Ear Headphones, Sensitivity: 102 dB, Driver: single dynamic, Impedance: 32 ohms, Frequency range: 20 - 20,000 Hz, Ergonomically shaped low-profile housing, High-fidelity cable with detachable MMCX connector, Colour: Black, Includes a hard case, gold-plated 3.5 mm jack to 6.3 mm jack adapters, ear tips in foam, silicone and double flange (available in 3 sizes each), Suitable spare cable MP Series MMCX: Art.#449688# (not included), Suitable Bluetooth adapter: Mackie MP-BTA Art.#480768# (not included)